Added C references to Fortran constants. (#2126)

* added C references for Fortran APIs

16 files changed, 1077 insertions, 425 deletions

diff --git a/fortran/src/H5Aff.F90 b/fortran/src/H5Aff.F90
index e167b7f..02db15f 100644
--- a/fortran/src/H5Aff.F90
+++ b/fortran/src/H5Aff.F90
@@ -136,6 +136,8 @@ CONTAINS
 !! \param acpl_id  Attribute creation property list identifier
 !! \param aapl_id  Attribute access property list identifier
 !!
+!! See C API: @ref hid_t H5Acreate2(hid_t loc_id, const char *attr_name, hid_t type_id, hid_t space_id, hid_t acpl_id, hid_t aapl_id);
+!!
   SUBROUTINE h5acreate_f(loc_id, name, type_id, space_id, attr_id, &
        hdferr, acpl_id, aapl_id )
     IMPLICIT NONE
@@ -191,6 +193,8 @@ CONTAINS
 !! \param attr_id Attribute identifier
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref hid_t H5Aopen_name(hid_t loc_id, const char *name);
+!!
   SUBROUTINE H5Aopen_name_f(obj_id, name, attr_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -228,6 +232,8 @@ CONTAINS
 !! \param attr_id Attribute identifier
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref hid_t H5Aopen_idx(hid_t loc_id, unsigned idx);
+!!
   SUBROUTINE H5Aopen_idx_f(obj_id, index, attr_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -258,6 +264,8 @@ CONTAINS
 !! \param space_id Attribite dataspace identifier
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref hid_t H5Aget_space(hid_t attr_id);
+!!
   SUBROUTINE H5Aget_space_f(attr_id, space_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: attr_id
@@ -286,6 +294,8 @@ CONTAINS
 !! \param type_id Attribute datatype identifier
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref hid_t H5Aget_type(hid_t attr_id);
+!!
   SUBROUTINE H5Aget_type_f(attr_id, type_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: attr_id
@@ -315,6 +325,8 @@ CONTAINS
 !! \param buf     Buffer to read name in
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref ssize_t H5Aget_name(hid_t attr_id, size_t buf_size, char *buf);
+!!
   SUBROUTINE h5aget_name_f(attr_id, size, buf, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: attr_id
@@ -360,6 +372,8 @@ CONTAINS
 !! \param size     Size, in bytes, of attribute name
 !! \param lapl_id  Link access property list
 !!
+!! See C API: @ref ssize_t H5Aget_name_by_idx(hid_t loc_id, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, char *name, size_t size, hid_t lapl_id);
+!!
   SUBROUTINE h5aget_name_by_idx_f(loc_id, obj_name, idx_type, order, &
        n, name, hdferr, size, lapl_id)
     IMPLICIT NONE
@@ -420,6 +434,8 @@ CONTAINS
 !! \param attr_num Number of attributes attached to the object
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref int H5Aget_num_attrs(hid_t loc_id);
+!!
   SUBROUTINE h5aget_num_attrs_f(obj_id, attr_num, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -447,6 +463,8 @@ CONTAINS
 !!
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Adelete(hid_t loc_id, const char *attr_name);
+!!
   SUBROUTINE H5Adelete_f(obj_id, name, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -476,6 +494,8 @@ CONTAINS
 !! \param attr_id Attribute identifier
 !! \param  hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Aclose(hid_t attr_id);
+!!
   SUBROUTINE H5Aclose_f(attr_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: attr_id
@@ -500,6 +520,8 @@ CONTAINS
 !! \param size    Attribute storage size
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref hsize_t H5Aget_storage_size(hid_t attr_id);
+!!
   SUBROUTINE H5Aget_storage_size_f(attr_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: attr_id
@@ -529,6 +551,8 @@ CONTAINS
 !! \param creation_prop_id Identifier for the attribute’s creation property
 !! \param hdferr           \fortran_error
 !!
+!! See C API: @ref hid_t H5Aget_create_plist(hid_t attr_id);
+!!
   SUBROUTINE H5Aget_create_plist_f(attr_id, creation_prop_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: attr_id
@@ -560,6 +584,8 @@ CONTAINS
 !! \param lapl_id       Link access property list identifier
 !! \param hdferr        \fortran_error
 !!
+!! See C API: @ref herr_t H5Arename_by_name_async(const char *app_file, const char *app_func, unsigned app_line, hid_t loc_id, const char *obj_name, const char *old_attr_name, const char *new_attr_name, hid_t lapl_id, hid_t es_id);
+!!
   SUBROUTINE H5Arename_by_name_f(loc_id, obj_name, old_attr_name, new_attr_name, &
         hdferr, lapl_id)
     IMPLICIT NONE
@@ -619,6 +645,8 @@ CONTAINS
 !! \param hdferr    \fortran_error
 !! \param aapl_id   Attribute access property list
 !!
+!! See C API: @ref hid_t H5Aopen(hid_t obj_id, const char *attr_name, hid_t aapl_id);
+!!
   SUBROUTINE H5Aopen_f(obj_id, attr_name, attr_id, hdferr, aapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -676,6 +704,8 @@ CONTAINS
 !! \param hdferr   \fortran_error
 !! \param lapl_id  Link access property list
 !!
+!! See C API: @ref herr_t H5Adelete_by_idx(hid_t loc_id, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, hid_t lapl_id);
+!!
   SUBROUTINE H5Adelete_by_idx_f(loc_id, obj_name, idx_type, order, n, hdferr, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -723,6 +753,8 @@ CONTAINS
 !! \param lapl_id   Link access property list
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Adelete_by_name(hid_t loc_id, const char *obj_name, const char *attr_name, hid_t lapl_id);
+!!
   SUBROUTINE H5Adelete_by_name_f(loc_id, obj_name, attr_name, hdferr, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -784,6 +816,8 @@ CONTAINS
 !! \param aapl_id  Attribute access property list.
 !! \param lapl_id  Link access property list.
 !!
+!! See C API: @ref hid_t H5Aopen_by_idx(hid_t loc_id, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, hid_t aapl_id, hid_t lapl_id);
+!!
   SUBROUTINE H5Aopen_by_idx_f(loc_id, obj_name, idx_type, order, n, attr_id, hdferr, aapl_id, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -843,6 +877,8 @@ CONTAINS
 !! \param data_size      Indicates the size, in the number of characters, of the attribute.
 !! \param hdferr         \fortran_error
 !!
+!! See C API: @ref herr_t H5Aget_info(hid_t attr_id, H5A_info_t *ainfo );
+!!
   SUBROUTINE H5Aget_info_f(attr_id, f_corder_valid, corder, cset, data_size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: attr_id
@@ -891,6 +927,8 @@ CONTAINS
 !! \param hdferr         \fortran_error
 !! \param lapl_id        Link access property list
 !!
+!! See C API: @ref herr_t H5Aget_info_by_idx(hid_t loc_id, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, H5A_info_t *ainfo, hid_t lapl_id);
+!!
   SUBROUTINE H5Aget_info_by_idx_f(loc_id, obj_name, idx_type, order, n, &
        f_corder_valid, corder, cset, data_size, hdferr, lapl_id)
     IMPLICIT NONE
@@ -962,6 +1000,8 @@ CONTAINS
 !! \param hdferr         \fortran_error
 !! \param lapl_id        Link access property list
 !!
+!! See C API: @ref herr_t H5Aget_info_by_name(hid_t loc_id, const char *obj_name, const char *attr_name, H5A_info_t *ainfo, hid_t lapl_id);
+!!
   SUBROUTINE H5Aget_info_by_name_f(loc_id, obj_name, attr_name, &
        f_corder_valid, corder, cset, data_size, hdferr, lapl_id)
     IMPLICIT NONE
@@ -1031,6 +1071,8 @@ CONTAINS
 !! \param aapl_id   Attribute access property list identifier (Currently not used.)
 !! \param lapl_id   Link access property list
 !!
+!! See C API: @ref hid_t H5Acreate_by_name(hid_t loc_id, const char *obj_name, const char *attr_name, hid_t type_id, hid_t space_id, hid_t acpl_id, hid_t aapl_id, hid_t lapl_id);
+!!
   SUBROUTINE H5Acreate_by_name_f(loc_id, obj_name, attr_name, type_id, space_id, attr, hdferr, &
        acpl_id, aapl_id, lapl_id)
     IMPLICIT NONE
@@ -1099,6 +1141,8 @@ CONTAINS
 !! \param attr_exists Attribute exists status
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref htri_t H5Aexists(hid_t obj_id, const char *attr_name);
+!!
   SUBROUTINE H5Aexists_f(obj_id, attr_name, attr_exists, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -1141,6 +1185,8 @@ CONTAINS
 !! \param hdferr      \fortran_error
 !! \param lapl_id     Link access property list identifier
 !!
+!! See C API: @ref htri_t H5Aexists_by_name(hid_t obj_id, const char *obj_name, const char *attr_name, hid_t lapl_id);
+!!
   SUBROUTINE H5Aexists_by_name_f(loc_id, obj_name, attr_name, attr_exists, hdferr, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -1196,6 +1242,8 @@ CONTAINS
 !! \param aapl_id   Attribute access property list (Currently unused; should be passed in as H5P_DEFAULT.)
 !! \param lapl_id   Link access property list identifier
 !!
+!! See C API: @ref hid_t H5Aopen_by_name(hid_t loc_id, const char *obj_name, const char *attr_name, hid_t aapl_id, hid_t lapl_id);
+!!
   SUBROUTINE H5Aopen_by_name_f(loc_id, obj_name, attr_name, attr_id, hdferr, aapl_id, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -1251,6 +1299,8 @@ CONTAINS
 !! \param new_attr_name New attribute name
 !! \param hdferr        \fortran_error
 !!
+!! See C API: @ref herr_t H5Arename(hid_t loc_id, const char *old_name, const char *new_name);
+!!
   SUBROUTINE H5Arename_f(loc_id, old_attr_name, new_attr_name, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -1297,6 +1347,8 @@ CONTAINS
 !! \param buf	      Data to be written.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Awrite(hid_t attr_id, hid_t type_id, const void *buf);
+!!
   SUBROUTINE h5awrite_f(attr_id, memtype_id, buf, hdferr)
     INTEGER(HID_T)  , INTENT(IN)  :: attr_id
     INTEGER(HID_T)  , INTENT(IN)  :: memtype_id
@@ -1318,6 +1370,8 @@ CONTAINS
 !!                    dim(k) has value of the k-th dimension of buffer buf; values are ignored if buf is a scalar.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Awrite(hid_t attr_id, hid_t type_id, const void *buf);
+!!
   SUBROUTINE h5awrite_f(attr_id, memtype_id, buf, dims, hdferr)
     INTEGER(HID_T)  , INTENT(IN)               :: attr_id
     INTEGER(HID_T)  , INTENT(IN)               :: memtype_id
@@ -1337,6 +1391,8 @@ CONTAINS
 !! \param buf	      Buffer for data to be read.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Aread(hid_t attr_id, hid_t type_id, void *buf);
+!!
   SUBROUTINE h5aread_f(attr_id, memtype_id, buf, hdferr)
     INTEGER(HID_T), INTENT(IN)    :: attr_id
     INTEGER(HID_T), INTENT(IN)    :: memtype_id
@@ -1358,6 +1414,8 @@ CONTAINS
 !!                    dim(k) has value of the k-th dimension of buffer buf; values are ignored if buf is a scalar.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Aread(hid_t attr_id, hid_t type_id, void *buf);
+!!
   SUBROUTINE h5aread_f(attr_id, memtype_id, buf, dims, hdferr)
     INTEGER(HID_T)  , INTENT(IN)               :: attr_id
     INTEGER(HID_T)  , INTENT(IN)               :: memtype_id
diff --git a/fortran/src/H5Dff.F90 b/fortran/src/H5Dff.F90
index 35a959e..c4134e8 100644
--- a/fortran/src/H5Dff.F90
+++ b/fortran/src/H5Dff.F90
@@ -220,6 +220,8 @@ CONTAINS
 !! \param lcpl_id  Link creation property list
 !! \param dapl_id  Dataset access property list
 !!
+!! See C API: @ref hid_t H5Dcreate2(hid_t loc_id, const char *name, hid_t type_id, hid_t space_id, hid_t lcpl_id, hid_t dcpl_id, hid_t dapl_id);
+!!
   SUBROUTINE h5dcreate_f(loc_id, name, type_id, space_id, dset_id, &
        hdferr, dcpl_id, lcpl_id, dapl_id)
     IMPLICIT NONE
@@ -285,6 +287,8 @@ CONTAINS
 !! \param hdferr  \fortran_error
 !! \param dapl_id Dataset access property list
 !!
+!! See C API: @ref hid_t H5Dopen2(hid_t loc_id, const char *name, hid_t dapl_id);
+!!
   SUBROUTINE h5dopen_f(loc_id, name, dset_id, hdferr, dapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -326,6 +330,8 @@ CONTAINS
 !! \param dset_id Dataset identifier
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Dclose(hid_t dset_id);
+!!
   SUBROUTINE h5dclose_f(dset_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dset_id
@@ -353,6 +359,8 @@ CONTAINS
 !! \param datatype_id Dataspace identifier
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref hid_t H5Dget_type(hid_t dset_id);
+!!
   SUBROUTINE h5dget_type_f(dataset_id, datatype_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dataset_id
@@ -380,6 +388,8 @@ CONTAINS
 !! \param size       Array containing the new magnitude of each dimension
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref herr_t H5Dset_extent(hid_t dset_id, const hsize_t size[]);
+!!
   SUBROUTINE h5dset_extent_f(dataset_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dataset_id
@@ -407,6 +417,8 @@ CONTAINS
 !! \param plist_id   Creation property list identifier
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref hid_t H5Dget_create_plist(hid_t dset_id);
+!!
   SUBROUTINE h5dget_create_plist_f(dataset_id, plist_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dataset_id
@@ -433,6 +445,8 @@ CONTAINS
 !! \param size       Datastorage size
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref hsize_t H5Dget_storage_size(hid_t dset_id);
+!!
   SUBROUTINE h5dget_storage_size_f(dataset_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dataset_id
@@ -495,6 +509,8 @@ CONTAINS
 !!                \li H5D_SPACE_STS_ALLOCATED_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Dget_space_status(hid_t dset_id, H5D_space_status_t *allocation);
+!!
   SUBROUTINE h5dget_space_status_f(dset_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dset_id
@@ -525,6 +541,8 @@ CONTAINS
 !! \param dcpl_id  Dataset creation property list identifier.
 !! \param dapl_id  Dataset access property list identifier.
 !!
+!! See C API: @ref hid_t H5Dcreate_anon(hid_t loc_id, hid_t type_id, hid_t space_id, hid_t dcpl_id, hid_t dapl_id);
+!!
   SUBROUTINE h5dcreate_anon_f(loc_id, type_id, space_id, dset_id, hdferr, dcpl_id, dapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -958,6 +976,8 @@ CONTAINS
 !! \param offset  The offset in bytes.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref haddr_t H5Dget_offset(hid_t dset_id);
+!!
   SUBROUTINE h5dget_offset_f(dset_id, offset, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)    :: dset_id
@@ -987,6 +1007,8 @@ CONTAINS
 !! \param dataspace_id Dataspace identifier.
 !! \param hdferr       \fortran_error
 !!
+!! See C API: @ref hid_t H5Dget_space(hid_t dset_id);
+!!
   SUBROUTINE h5dget_space_f(dataset_id, dataspace_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dataset_id
@@ -1013,6 +1035,8 @@ CONTAINS
 !! \param plist_id Dataset access property list identifier.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref hid_t H5Dget_access_plist(hid_t dset_id);
+!!
   SUBROUTINE h5dget_access_plist_f(dset_id, plist_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)  :: dset_id
@@ -1042,6 +1066,8 @@ CONTAINS
 !! \param buf      Pointer to the buffer to be reclaimed.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Dvlen_reclaim(hid_t type_id, hid_t space_id, hid_t dxpl_id, void *buf);
+!!
   SUBROUTINE h5dvlen_reclaim_f(type_id, space_id, plist_id, buf, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)    :: type_id
@@ -1082,6 +1108,8 @@ CONTAINS
 !! \param file_space_id Identifier of the dataset's dataspace in the file.
 !! \param xfer_prp      Identifier of a transfer property list for this I/O operation.
 !!
+!! See C API: @ref herr_t H5Dwrite(hid_t dset_id, hid_t mem_type_id, hid_t mem_space_id, hid_t file_space_id, hid_t dxpl_id, const void *buf);
+!!
   SUBROUTINE h5dwrite_f(dset_id, mem_type_id, buf, hdferr, mem_space_id, file_space_id, xfer_prp)
     USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_PTR
     IMPLICIT NONE
@@ -1108,6 +1136,8 @@ CONTAINS
 !! \param file_space_id Identifier of dataset's dataspace in the file. (Default: H5S_ALL_F)
 !! \param xfer_prp      Identifier of a transfer property list for this I/O operation.
 !!
+!! See C API: @ref herr_t H5Dread(hid_t dset_id, hid_t mem_type_id, hid_t mem_space_id, hid_t file_space_id, hid_t dxpl_id, void *buf);
+!!
  SUBROUTINE h5dread_f(dset_id, mem_type_id, buf, hdferr, mem_space_id, file_space_id, xfer_prp)
     USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_PTR
     IMPLICIT NONE
@@ -1195,6 +1225,8 @@ CONTAINS
 !! \param buf        Buffer to receive data read from file.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref herr_t H5Dfill(const void *fill, hid_t fill_type_id, void *buf, hid_t buf_type_id, hid_t space_id);
+!!
   SUBROUTINE h5dfill_f(fill_value, space_id, buf,  hdferr)
     TYPE(TYPE), INTENT(IN) :: fill_value
     INTEGER(HID_T), INTENT(IN) :: space_id
diff --git a/fortran/src/H5Eff.F90 b/fortran/src/H5Eff.F90
index 0d7a873..7e833ab 100644
--- a/fortran/src/H5Eff.F90
+++ b/fortran/src/H5Eff.F90
@@ -54,6 +54,8 @@ CONTAINS
 !! \param hdferr    \fortran_error
 !! \param estack_id Error Stack id
 !!
+!! See C API: @ref herr_t H5Eclear2(hid_t err_stack);
+!!
   SUBROUTINE h5eclear_f(hdferr, estack_id)
     IMPLICIT NONE
     INTEGER, INTENT(OUT) :: hdferr
@@ -82,6 +84,8 @@ CONTAINS
 !! \param hdferr \fortran_error
 !! \param name   Name of the file that contains print output
 !!
+!! See C API: @ref herr_t H5Eprint2(hid_t err_stack, FILE *stream);
+!!
   SUBROUTINE h5eprint_f(hdferr, name)
     CHARACTER(LEN=*), OPTIONAL, INTENT(IN) :: name
     INTEGER, INTENT(OUT) :: hdferr
@@ -118,6 +122,8 @@ CONTAINS
 !! \param namelen  Number of characters in the name buffer.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref char *H5Eget_major(H5E_major_t maj);
+!!
   SUBROUTINE h5eget_major_f(error_no, name, namelen, hdferr)
     INTEGER, INTENT(IN) :: error_no
     CHARACTER(LEN=*), INTENT(OUT) :: name
@@ -145,6 +151,8 @@ CONTAINS
 !! \param name     Character string describing the error.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref char *H5Eget_minor(H5E_minor_t min);
+!!
   SUBROUTINE h5eget_minor_f(error_no, name, hdferr)
     INTEGER, INTENT(IN) :: error_no
     CHARACTER(LEN=*), INTENT(OUT) :: name
@@ -173,6 +181,8 @@ CONTAINS
 !! \param client_data Data passed to the error function.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Eset_auto2(hid_t estack_id, H5E_auto2_t func, void *client_data);
+!!
   SUBROUTINE h5eset_auto_f(printflag, hdferr, estack_id, func, client_data)
     USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_PTR, C_FUNPTR
     INTEGER       , INTENT(IN)            :: printflag
diff --git a/fortran/src/H5Fff.F90 b/fortran/src/H5Fff.F90
index 817dab0..713b9cf 100644
--- a/fortran/src/H5Fff.F90
+++ b/fortran/src/H5Fff.F90
@@ -73,6 +73,8 @@ CONTAINS
 !! \param creation_prp File creation property list identifier.
 !! \param access_prp   File access property list identifier.
 !!
+!! See C API: @ref hid_t H5Fcreate(const char *filename, unsigned flags, hid_t fcpl_id, hid_t fapl_id);
+!!
   SUBROUTINE h5fcreate_f(name, access_flags, file_id, hdferr, &
        creation_prp, access_prp)
     IMPLICIT NONE
@@ -121,6 +123,8 @@ CONTAINS
 !!                     \li H5F_SCOPE_LOCAL_F
 !! \param hdferr       \fortran_error
 !!
+!! See C API: @ref herr_t H5Fflush(hid_t object_id, H5F_scope_t scope);
+!!
   SUBROUTINE h5fflush_f(object_id, scope, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: object_id
@@ -150,6 +154,8 @@ CONTAINS
 !! \param hdferr     \fortran_error
 !! \param access_prp The identifier of the property list to be used.
 !!
+!! See C API: @ref herr_t H5Fmount(hid_t loc, const char *name, hid_t child, hid_t plist);
+!!
   SUBROUTINE h5fmount_f(loc_id, name, child_id, hdferr, access_prp)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -190,6 +196,8 @@ CONTAINS
 !! \param name   The name of the mount point.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Funmount(hid_t loc, const char *name);
+!!
   SUBROUTINE h5funmount_f(loc_id, name, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -225,6 +233,8 @@ CONTAINS
 !! \param hdferr       \fortran_error
 !! \param access_prp   File access property list identifier.
 !!
+!! See C API: @ref hid_t H5Fopen(const char *filename, unsigned flags, hid_t fapl_id);
+!!
   SUBROUTINE h5fopen_f(name, access_flags, file_id, hdferr, access_prp)
     IMPLICIT NONE
     CHARACTER(LEN=*), INTENT(IN) :: name
@@ -264,6 +274,8 @@ CONTAINS
 !! \param ret_file_id New file identifier.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref hid_t H5Freopen(hid_t file_id);
+!!
   SUBROUTINE h5freopen_f(file_id, ret_file_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: file_id
@@ -290,6 +302,8 @@ CONTAINS
 !! \param prop_id Creation property list identifier.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref hid_t H5Fget_create_plist(hid_t file_id);
+!!
   SUBROUTINE h5fget_create_plist_f(file_id, prop_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: file_id
@@ -316,6 +330,8 @@ CONTAINS
 !! \param access_id Access property list identifier.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref hid_t H5Fget_access_plist(hid_t file_id);
+!!
   SUBROUTINE h5fget_access_plist_f(file_id, access_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: file_id
@@ -344,6 +360,8 @@ CONTAINS
 !! \param hdferr     \fortran_error
 !! \param access_prp File access property list identifier.
 !!
+!! See C API: @ref htri_t H5Fis_accessible(const char *container_name, hid_t fapl_id);
+!!
   SUBROUTINE h5fis_accessible_f(name, status, hdferr, access_prp)
     IMPLICIT NONE
     CHARACTER(LEN=*), INTENT(IN) :: name
@@ -382,6 +400,8 @@ CONTAINS
 !! \param status Indicates if file is and HDF5 file.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref htri_t H5Fis_hdf5(const char *file_name);
+!!
   SUBROUTINE h5fis_hdf5_f(name, status, hdferr)
     IMPLICIT NONE
     CHARACTER(LEN=*), INTENT(IN) :: name
@@ -411,6 +431,8 @@ CONTAINS
 !! \param file_id File identifier.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Fclose(hid_t file_id);
+!!
   SUBROUTINE h5fclose_f(file_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: file_id
@@ -442,6 +464,8 @@ CONTAINS
 !! \param obj_count Number of open objects.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref ssize_t H5Fget_obj_count(hid_t file_id, unsigned types);
+!!
   SUBROUTINE h5fget_obj_count_f(file_id, obj_type, obj_count, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: file_id
@@ -484,6 +508,8 @@ CONTAINS
 !! \param hdferr   \fortran_error
 !! \param num_objs Number of open objects.
 !!
+!! See C API: @ref ssize_t H5Fget_obj_ids(hid_t file_id, unsigned types, size_t max_objs, hid_t *obj_id_list);
+!!
   SUBROUTINE h5fget_obj_ids_f(file_id, obj_type, max_objs, obj_ids, hdferr, num_objs)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: file_id
@@ -521,6 +547,8 @@ CONTAINS
 !! \param free_space Amount of free space in file.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref hssize_t H5Fget_freespace(hid_t file_id);
+!!
   SUBROUTINE h5fget_freespace_f(file_id, free_space, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: file_id
@@ -549,6 +577,8 @@ CONTAINS
 !! \param size   Actual size of the name.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref ssize_t H5Fget_name(hid_t obj_id, char *name, size_t size);
+!!
   SUBROUTINE h5fget_name_f(obj_id, buf, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -581,6 +611,8 @@ CONTAINS
 !! \param size    File size.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Fget_filesize(hid_t file_id, hsize_t *size);
+!!
   SUBROUTINE h5fget_filesize_f(file_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: file_id
@@ -607,6 +639,8 @@ CONTAINS
 !! \param fileno  File number.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Fget_fileno(hid_t file_id, unsigned long *fileno);
+!!
   SUBROUTINE h5fget_fileno_f(file_id, fileno, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: file_id
@@ -635,6 +669,8 @@ CONTAINS
 !! \param hdferr   \fortran_error
 !! \param buf_size Returns the size in bytes of the buffer required to store the file image, no data will be copied.
 !!
+!! See C API: @ref ssize_t H5Fget_file_image(hid_t file_id, void *buf_ptr, size_t buf_len);
+!!
   SUBROUTINE h5fget_file_image_f(file_id, buf_ptr, buf_len, hdferr, buf_size)
     IMPLICIT NONE
     INTEGER(HID_T) , INTENT(IN)              :: file_id
@@ -679,6 +715,8 @@ CONTAINS
 !! \param minimize Value of the setting.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Fget_dset_no_attrs_hint(hid_t file_id, hbool_t *minimize);
+!!
   SUBROUTINE h5fget_dset_no_attrs_hint_f(file_id, minimize, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T) , INTENT(IN)              :: file_id
@@ -712,6 +750,8 @@ CONTAINS
 !! \param minimize Value of the setting.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Fset_dset_no_attrs_hint(hid_t file_id, hbool_t minimize);
+!!
   SUBROUTINE h5fset_dset_no_attrs_hint_f(file_id, minimize, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T) , INTENT(IN)              :: file_id
diff --git a/fortran/src/H5Gff.F90 b/fortran/src/H5Gff.F90
index 10055bc..6e89ee6 100644
--- a/fortran/src/H5Gff.F90
+++ b/fortran/src/H5Gff.F90
@@ -58,6 +58,8 @@ CONTAINS
 !! \param gcpl_id   Property list for group creation.
 !! \param gapl_id   Property list for group access.
 !!
+!! See C API: @ref hid_t H5Gcreate2(hid_t loc_id, const char *name, hid_t lcpl_id, hid_t gcpl_id, hid_t gapl_id);
+!!
   SUBROUTINE h5gcreate_f(loc_id, name, grp_id, hdferr, size_hint, lcpl_id, gcpl_id, gapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -119,6 +121,8 @@ CONTAINS
 !! \param hdferr  \fortran_error
 !! \param gapl_id Group access property list identifier.
 !!
+!! See C API: @ref hid_t H5Gopen2(hid_t loc_id, const char *name, hid_t gapl_id);
+!!
   SUBROUTINE h5gopen_f(loc_id, name, grp_id, hdferr, gapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -157,6 +161,8 @@ CONTAINS
 !! \param grp_id Group identifier.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Gclose(hid_t group_id);
+!!
   SUBROUTINE h5gclose_f(grp_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: grp_id
@@ -266,6 +272,8 @@ CONTAINS
 !! \param new_name     New name for the object.
 !! \param hdferr       \fortran_error
 !!
+!! See C API: @ref herr_t H5Glink(hid_t cur_loc_id, H5G_link_t type, const char *cur_name, const char *new_name);
+!!
   SUBROUTINE h5glink_f(loc_id, link_type, current_name, &
        new_name, hdferr)
     IMPLICIT NONE
@@ -316,6 +324,8 @@ CONTAINS
 !! \param new_name   New name for the object.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref herr_t H5Glink2(hid_t cur_loc_id, const char *cur_name, H5G_link_t type, hid_t new_loc_id, const char *new_name);
+!!
   SUBROUTINE h5glink2_f(cur_loc_id, cur_name, link_type, new_loc_id, &
        new_name, hdferr)
     IMPLICIT NONE
@@ -362,6 +372,8 @@ CONTAINS
 !! \param name   Name of the object to unlink.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Gunlink(hid_t loc_id, const char *name);
+!!
   SUBROUTINE h5gunlink_f(loc_id, name, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -393,6 +405,8 @@ CONTAINS
 !! \param new_name Object's new name.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Gmove(hid_t src_loc_id, const char *src_name, const char *dst_name);
+!!
   SUBROUTINE h5gmove_f(loc_id, name, new_name, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -429,6 +443,8 @@ CONTAINS
 !! \param dst_name   Object's new name.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref herr_t H5Gmove2(hid_t src_loc_id, const char *src_name, hid_t dst_loc_id, const char *dst_name);
+!!
   SUBROUTINE h5gmove2_f(src_loc_id, src_name, dst_loc_id, dst_name, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)   :: src_loc_id
@@ -468,6 +484,8 @@ CONTAINS
 !! \param buffer A buffer to hold the name of the object being sought.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Gget_linkval(hid_t loc_id, const char *name, size_t size, char *buf );
+!!
   SUBROUTINE h5gget_linkval_f(loc_id, name, size, buffer, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -503,6 +521,8 @@ CONTAINS
 !! \param comment Comment to set for the object.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Gset_comment(hid_t loc_id, const char *name, const char *comment);
+!!
   SUBROUTINE h5gset_comment_f(loc_id, name, comment, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -540,6 +560,8 @@ CONTAINS
 !! \param buffer Buffer to hold object's comment.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref int H5Gget_comment(hid_t loc_id, const char *name, size_t bufsize, char *buf);
+!!
   SUBROUTINE h5gget_comment_f(loc_id, name, size, buffer, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -576,6 +598,8 @@ CONTAINS
 !! \param gcpl_id Group creation property list identifier.
 !! \param gapl_id Group access property list identifier.
 !!
+!! See C API: @ref hid_t H5Gcreate_anon(hid_t loc_id, hid_t gcpl_id, hid_t gapl_id);
+!!
   SUBROUTINE h5Gcreate_anon_f(loc_id, grp_id, hdferr, gcpl_id, gapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -615,6 +639,8 @@ CONTAINS
 !! \param gcpl_id Group creation property list identifier.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref hid_t H5Gget_create_plist(hid_t group_id);
+!!
   SUBROUTINE h5gget_create_plist_f(grp_id, gcpl_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)  :: grp_id
@@ -647,6 +673,8 @@ CONTAINS
 !! \param hdferr       \fortran_error
 !! \param mounted      Whether group has a file mounted on it.
 !!
+!! See C API: @ref herr_t H5Gget_info(hid_t loc_id, H5G_info_t *ginfo);
+!!
   SUBROUTINE h5gget_info_f(group_id, storage_type, nlinks, max_corder, hdferr, mounted)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: group_id
@@ -701,6 +729,8 @@ CONTAINS
 !! \param lapl_id      Link access property list.
 !! \param mounted      Whether group has a file mounted on it.
 !!
+!! See C API: @ref herr_t H5Gget_info_by_idx(hid_t loc_id, const char *group_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, H5G_info_t *ginfo, hid_t lapl_id);
+!!
   SUBROUTINE h5gget_info_by_idx_f(loc_id, group_name, index_type, order, n, &
        storage_type, nlinks, max_corder, hdferr, lapl_id, mounted)
     IMPLICIT NONE
@@ -776,6 +806,8 @@ CONTAINS
 !! \param lapl_id      Link access property list.
 !! \param mounted      Whether group has a file mounted on it.
 !!
+!! See C API: @ref herr_t H5Gget_info_by_name(hid_t loc_id, const char *name, H5G_info_t *ginfo, hid_t lapl_id);
+!!
   SUBROUTINE h5gget_info_by_name_f(loc_id, group_name, &
        storage_type, nlinks, max_corder, hdferr, lapl_id, mounted)
     IMPLICIT NONE
diff --git a/fortran/src/H5Iff.F90 b/fortran/src/H5Iff.F90
index b67d807..06f7f11 100644
--- a/fortran/src/H5Iff.F90
+++ b/fortran/src/H5Iff.F90
@@ -59,6 +59,8 @@ CONTAINS
 !!               \li H5I_BADID_F
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref H5I_type_t H5Iget_type(hid_t id);
+!!
   SUBROUTINE h5iget_type_f(obj_id, TYPE, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -86,6 +88,8 @@ CONTAINS
 !! \param name_size Name size.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref ssize_t H5Iget_name(hid_t id, char *name , size_t size);
+!!
   SUBROUTINE h5iget_name_f(obj_id, buf, buf_size, name_size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -117,6 +121,8 @@ CONTAINS
 !! \param ref_count Current reference count of the ID.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref int H5Iinc_ref(hid_t id);
+!!
   SUBROUTINE h5iinc_ref_f(obj_id, ref_count, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -142,6 +148,8 @@ CONTAINS
 !! \param ref_count Current reference count of the ID.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref int H5Idec_ref(hid_t id);
+!!
   SUBROUTINE h5idec_ref_f(obj_id, ref_count, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -167,6 +175,8 @@ CONTAINS
 !! \param ref_count Current reference count of the ID.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref int H5Iget_ref(hid_t id);
+!!
   SUBROUTINE h5iget_ref_f(obj_id, ref_count, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -191,6 +201,8 @@ CONTAINS
 !! \param file_id File identifier.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref hid_t H5Iget_file_id(hid_t id);
+!!
   SUBROUTINE h5iget_file_id_f(obj_id, file_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)  :: obj_id
@@ -215,6 +227,8 @@ CONTAINS
 !! \param valid   Status of id as a valid identifier.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref htri_t H5Iis_valid(hid_t id);
+!!
   SUBROUTINE h5iis_valid_f(id, valid, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)  :: id
diff --git a/fortran/src/H5Lff.F90 b/fortran/src/H5Lff.F90
index 2b4e569..7f7a62c 100644
--- a/fortran/src/H5Lff.F90
+++ b/fortran/src/H5Lff.F90
@@ -80,6 +80,8 @@ CONTAINS
 !! \param lcpl_id     Link creation property list identifier.
 !! \param lapl_id     Link access property list identifier.
 !!
+!! See C API: @ref herr_t H5Lcopy(hid_t src_loc, const char *src_name, hid_t dst_loc, const char *dst_name, hid_t lcpl_id, hid_t lapl_id);
+!!
   SUBROUTINE h5lcopy_f(src_loc_id, src_name, dest_loc_id, dest_name, hdferr, &
        lcpl_id, lapl_id)
     IMPLICIT NONE
@@ -139,6 +141,8 @@ CONTAINS
 !! \param hdferr  \fortran_error
 !! \param lapl_id Link access property list identifier.
 !!
+!! See C API: @ref herr_t H5Ldelete(hid_t loc_id, const char *name, hid_t lapl_id);
+!!
   SUBROUTINE h5ldelete_f(loc_id, name, hdferr, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -181,6 +185,8 @@ CONTAINS
 !! \param lcpl_id     Link creation property list identifier.
 !! \param lapl_id     Link access property list identifier.
 !!
+!! See C API: @ref herr_t H5Lcreate_soft(const char *link_target, hid_t link_loc_id, const char *link_name, hid_t lcpl_id, hid_t lapl_id);
+!!
   SUBROUTINE h5lcreate_soft_f(target_path, link_loc_id, link_name, hdferr, lcpl_id, lapl_id)
     IMPLICIT NONE
     CHARACTER(LEN=*), INTENT(IN) :: target_path
@@ -240,6 +246,8 @@ CONTAINS
 !! \param lcpl_id     Link creation property list identifier.
 !! \param lapl_id     Link access property list identifier.
 !!
+!! See C API: @ref herr_t H5Lcreate_hard(hid_t cur_loc, const char *cur_name, hid_t dst_loc, const char *dst_name, hid_t lcpl_id, hid_t lapl_id);
+!!
   SUBROUTINE h5lcreate_hard_f(obj_loc_id, obj_name, link_loc_id, link_name, hdferr, lcpl_id, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_loc_id
@@ -300,6 +308,8 @@ CONTAINS
 !! \param lcpl_id     Link creation property list identifier.
 !! \param lapl_id     Link access property list identifier.
 !!
+!! See C API: @ref herr_t H5Lcreate_external(const char *file_name, const char *obj_name, hid_t link_loc_id, const char *link_name, hid_t lcpl_id, hid_t lapl_id);
+!!
   SUBROUTINE h5lcreate_external_f(file_name, obj_name, link_loc_id, link_name, hdferr, lcpl_id, lapl_id)
     IMPLICIT NONE
     CHARACTER(LEN=*), INTENT(IN) :: file_name
@@ -372,6 +382,8 @@ CONTAINS
 !! \param hdferr      \fortran_error
 !! \param lapl_id     Link access property list.
 !!
+!! See C API: @ref herr_t H5Ldelete_by_idx(hid_t loc_id, const char *group_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, hid_t lapl_id);
+!!
   SUBROUTINE h5ldelete_by_idx_f(loc_id, group_name, index_field, order, n, hdferr, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -419,6 +431,8 @@ CONTAINS
 !! \param hdferr      \fortran_error
 !! \param lapl_id     Link access property list identifier.
 !!
+!! See C API: @ref htri_t H5Lexists(hid_t loc_id, const char *name, hid_t lapl_id);
+!!
   SUBROUTINE h5lexists_f(loc_id, name, link_exists, hdferr, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -479,6 +493,8 @@ CONTAINS
 !! \param hdferr       \fortran_error
 !! \param lapl_id      Link access property list.
 !!
+!! See C API: @ref herr_t H5Lget_info2(hid_t loc_id, const char *name, H5L_info2_t *linfo, hid_t lapl_id);
+!!
   SUBROUTINE h5lget_info_f(link_loc_id, link_name, &
        cset, corder, f_corder_valid, link_type, token, val_size, &
        hdferr, lapl_id)
@@ -567,6 +583,8 @@ CONTAINS
 !!
 !! \param lapl_id        Link access property list.
 !!
+!! See C API: @ref herr_t H5Lget_info_by_idx2(hid_t loc_id, const char *group_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, H5L_info2_t *linfo, hid_t lapl_id);
+!!
   SUBROUTINE h5lget_info_by_idx_f(loc_id, group_name, index_field, order, n, &
        link_type, f_corder_valid, corder, cset, token, val_size, hdferr, lapl_id)
     IMPLICIT NONE
@@ -634,6 +652,8 @@ CONTAINS
 !! \param registered  .TRUE. if the link class has been registered.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref htri_t H5Lis_registered(H5L_type_t id);
+!!
   SUBROUTINE h5lis_registered_f(link_cls_id, registered, hdferr)
     IMPLICIT NONE
     INTEGER, INTENT(IN) :: link_cls_id
@@ -669,6 +689,8 @@ CONTAINS
 !! \param lcpl_id     Link creation property list identifier to be associated WITH the NEW link.
 !! \param lapl_id     Link access property list identifier to be associated WITH the NEW link.
 !!
+!! See C API: @ref herr_t H5Lmove(hid_t src_loc, const char *src_name, hid_t dst_loc, const char *dst_name, hid_t lcpl_id, hid_t lapl_id);
+!!
   SUBROUTINE h5lmove_f(src_loc_id, src_name, dest_loc_id, dest_name, hdferr, lcpl_id, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: src_loc_id
@@ -741,6 +763,8 @@ CONTAINS
 !! \param lapl_id     List access property list identifier.
 !! \param size        Maximum number of characters of link value to be returned.
 !!
+!! See C API: @ref ssize_t H5Lget_name_by_idx(hid_t loc_id, const char *group_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, char *name, size_t size, hid_t lapl_id);
+!!
   SUBROUTINE h5lget_name_by_idx_f(loc_id, group_name, index_field, order, n, &
         name, hdferr, size, lapl_id)
     IMPLICIT NONE
@@ -936,6 +960,8 @@ CONTAINS
 !!                               library, or the negative value returned by one of the operators.
 !! \param hdferr        \fortran_error
 !!
+!! See C API: @ref herr_t H5Literate2(hid_t grp_id, H5_index_t idx_type, H5_iter_order_t order, hsize_t *idx, H5L_iterate2_t op, void *op_data);
+!!
   SUBROUTINE h5literate_f(group_id, index_type, order, idx, op, op_data, return_value, hdferr)
     USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_PTR, C_FUNPTR
     IMPLICIT NONE
@@ -998,6 +1024,8 @@ CONTAINS
 !! \param hdferr       \fortran_error
 !! \param lapl_id      Link access property list
 !!
+!! See C API: @ref herr_t H5Literate_by_name2(hid_t loc_id, const char *group_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t *idx, H5L_iterate2_t op, void *op_data, hid_t lapl_id);
+!!
   SUBROUTINE h5literate_by_name_f(loc_id, group_name, index_type, order, &
        idx, op, op_data, return_value, hdferr, lapl_id)
     USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_PTR, C_FUNPTR
diff --git a/fortran/src/H5Off.F90 b/fortran/src/H5Off.F90
index 388e30e..274ebd5 100644
--- a/fortran/src/H5Off.F90
+++ b/fortran/src/H5Off.F90
@@ -151,6 +151,8 @@ CONTAINS
 !! \param lcpl_id       Link creation property list identifier.
 !! \param lapl_id       Link access property list identifier.
 !!
+!! See C API: @ref herr_t H5Olink(hid_t obj_id, hid_t new_loc_id, const char *new_name, hid_t lcpl_id, hid_t lapl_id);
+!!
   SUBROUTINE h5olink_f(object_id, new_loc_id, new_link_name, hdferr, lcpl_id, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)  :: object_id
@@ -202,6 +204,8 @@ CONTAINS
 !! \param hdferr  \fortran_error
 !! \param lapl_id Access property list identifier for the link pointing to the object.
 !!
+!! See C API: @ref hid_t H5Oopen(hid_t loc_id, const char *name, hid_t lapl_id);
+!!
   SUBROUTINE h5oopen_f(loc_id, name, obj_id, hdferr, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)  :: loc_id
@@ -241,6 +245,8 @@ CONTAINS
 !! \param object_id Object identifier.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Oclose(hid_t object_id);
+!!
   SUBROUTINE h5oclose_f(object_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)   :: object_id
@@ -266,6 +272,8 @@ CONTAINS
 !! \param obj_id Object identifier for the opened object.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref hid_t H5Oopen_by_token(hid_t loc_id, H5O_token_t token);
+!!
   SUBROUTINE h5oopen_by_token_f(loc_id, token, obj_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)        :: loc_id
@@ -299,6 +307,8 @@ CONTAINS
 !! \param lcpl_id    Link creation property list for the new hard link.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref herr_t H5Ocopy(hid_t src_loc_id, const char *src_name, hid_t dst_loc_id, const char *dst_name, hid_t ocpypl_id, hid_t lcpl_id);
+!!
   SUBROUTINE h5ocopy_f(src_loc_id, src_name, dst_loc_id, dst_name, hdferr, ocpypl_id, lcpl_id)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)  :: src_loc_id
@@ -351,6 +361,8 @@ CONTAINS
 !! \param object_id Object identifier.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Odecr_refcount(hid_t object_id);
+!!
   SUBROUTINE h5odecr_refcount_f(object_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)  :: object_id
@@ -381,6 +393,8 @@ CONTAINS
 !! \param link_exists Existing link resolves to an object.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref htri_t H5Oexists_by_name(hid_t loc_id, const char *name, hid_t lapl_id);
+!!
   SUBROUTINE h5oexists_by_name_f(loc_id, name, link_exists, hdferr, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)  :: loc_id
@@ -436,6 +450,8 @@ CONTAINS
 !! \param comment The comment.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref ssize_t H5Oget_comment(hid_t obj_id, char *comment, size_t bufsize);
+!!
   SUBROUTINE h5oget_comment_f(obj_id, comment, hdferr, bufsize)
     IMPLICIT NONE
     INTEGER(HID_T)   , INTENT(IN)            :: obj_id
@@ -479,6 +495,8 @@ CONTAINS
 !! \param bufsize Size of the comment buffer.
 !! \param lapl_id File access property list identifier.
 !!
+!! See C API: @ref ssize_t H5Oget_comment_by_name(hid_t loc_id, const char *name, char *comment, size_t bufsize, hid_t lapl_id);
+!!
   SUBROUTINE h5oget_comment_by_name_f(loc_id, name, comment, hdferr, bufsize, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)            :: loc_id
@@ -529,6 +547,8 @@ CONTAINS
 !! \param obj_id Object identifier.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Oincr_refcount(hid_t object_id);
+!!
   SUBROUTINE h5oincr_refcount_f(obj_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)  :: obj_id
@@ -561,6 +581,8 @@ CONTAINS
 !!
 !! \param lapl_id    Link access property list.
 !!
+!! See C API: @ref hid_t H5Oopen_by_idx(hid_t loc_id, const char *group_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, hid_t lapl_id);
+!!
   SUBROUTINE h5oopen_by_idx_f(loc_id, group_name, index_type, order, n, obj_id, &
        hdferr, lapl_id)
     IMPLICIT NONE
@@ -611,6 +633,8 @@ CONTAINS
 !! \param comment The new comment.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Oset_comment(hid_t obj_id, const char *comment);
+!!
   SUBROUTINE h5oset_comment_f(obj_id, comment, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)  :: obj_id
@@ -647,6 +671,8 @@ CONTAINS
 !! \param hdferr  \fortran_error
 !! \param lapl_id Link access property list identifier.
 !!
+!! See C API: @ref herr_t H5Oset_comment_by_name(hid_t loc_id, const char *name, const char *comment, hid_t lapl_id);
+!!
   SUBROUTINE h5oset_comment_by_name_f(loc_id, name, comment, hdferr, lapl_id)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)  :: loc_id
@@ -703,6 +729,8 @@ CONTAINS
 !! \param hdferr       \fortran_error
 !! \param fields       Flags specifying the fields to include in object_info.
 !!
+!! See C API: @ref herr_t H5Ovisit3(hid_t obj_id, H5_index_t idx_type, H5_iter_order_t order, H5O_iterate2_t op, void *op_data, unsigned fields);
+!!
   SUBROUTINE h5ovisit_f(object_id, index_type, order, op, op_data, return_value, hdferr, fields)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: object_id
@@ -756,6 +784,8 @@ CONTAINS
 !! \param lapl_id     Link access property list.
 !! \param fields      Flags specifying the fields to include in object_info.
 !!
+!! See C API: @ref herr_t H5Oget_info_by_name3(hid_t loc_id, const char *name, H5O_info2_t *oinfo, unsigned fields, hid_t lapl_id);
+!!
   SUBROUTINE h5oget_info_by_name_f(loc_id, name, object_info, hdferr, lapl_id, fields)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)            :: loc_id
@@ -809,6 +839,8 @@ CONTAINS
 !! \param hdferr      \fortran_error
 !! \param fields      Flags specifying the fields to include in object_info.
 !!
+!! See C API: @ref herr_t H5Oget_info3(hid_t loc_id, H5O_info2_t *oinfo, unsigned fields);
+!!
   SUBROUTINE h5oget_info_f(object_id, object_info, hdferr, fields)
 
     USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_PTR
@@ -857,6 +889,8 @@ CONTAINS
 !! \param fields      Flags specifying the fields to include in object_info.
 !!
 !! Fortran2003 Interface:
+!! See C API: @ref herr_t H5Oget_info_by_idx3(hid_t loc_id, const char *group_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, H5O_info2_t *oinfo, unsigned fields, hid_t lapl_id);
+!!
   SUBROUTINE h5oget_info_by_idx_f(loc_id, group_name, index_field, order, n, &
        object_info, hdferr, lapl_id, fields)
 
@@ -929,6 +963,8 @@ CONTAINS
 !! \param lapl_id      Link access property list identifier.
 !! \param fields       Flags specifying the fields to include in object_info.
 !!
+!! See C API: @ref herr_t H5Ovisit_by_name3(hid_t loc_id, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, H5O_iterate2_t op, void *op_data, unsigned fields, hid_t lapl_id);
+!!
   SUBROUTINE h5ovisit_by_name_f(loc_id, object_name, index_type, order, op, op_data, &
        return_value, hdferr, lapl_id, fields)
     IMPLICIT NONE
@@ -996,6 +1032,8 @@ CONTAINS
 !! \param cmp_value Returns 0 if tokens are equal, non-zero for unequal tokens.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Otoken_cmp(hid_t loc_id, const H5O_token_t *token1, const H5O_token_t *token2, int *cmp_value);
+!!
   SUBROUTINE h5otoken_cmp_f(loc_id, token1, token2, cmp_value, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)  :: loc_id
diff --git a/fortran/src/H5Pff.F90 b/fortran/src/H5Pff.F90
index e55dc58..10b9539 100644
--- a/fortran/src/H5Pff.F90
+++ b/fortran/src/H5Pff.F90
@@ -209,6 +209,8 @@ CONTAINS
 !! \param prp_id Property list identifier.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref hid_t H5Pcreate(hid_t cls_id);
+!!
   SUBROUTINE h5pcreate_f(class, prp_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)  :: class
@@ -237,6 +239,8 @@ CONTAINS
 !! \param flag   Status flag.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_preserve(hid_t plist_id, hbool_t status);
+!!
   SUBROUTINE h5pset_preserve_f(prp_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -267,6 +271,8 @@ CONTAINS
 !! \param flag   Status flag.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref int H5Pget_preserve(hid_t plist_id);
+!!
   SUBROUTINE h5pget_preserve_f(prp_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -298,6 +304,8 @@ CONTAINS
 !! \param classtype Property list class.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref hid_t H5Pget_class(hid_t plist_id);
+!!
   SUBROUTINE h5pget_class_f(prp_id, classtype, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -326,6 +334,8 @@ CONTAINS
 !! \param new_prp_id New property list identifier.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref hid_t H5Pcopy(hid_t plist_id);
+!!
   SUBROUTINE h5pcopy_f(prp_id, new_prp_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -353,6 +363,8 @@ CONTAINS
 !! \param prp_id Identifier of the property list to terminate access to.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pclose(hid_t plist_id);
+!!
   SUBROUTINE h5pclose_f(prp_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -380,6 +392,8 @@ CONTAINS
 !! \param dims   Array with dimension sizes for each chunk.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_chunk(hid_t plist_id, int ndims, const hsize_t dim[/*ndims*/]);
+!!
   SUBROUTINE h5pset_chunk_f(prp_id, ndims, dims, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -410,6 +424,8 @@ CONTAINS
 !! \param dims   Array with dimension sizes for each chunk.
 !! \param hdferr Returns number of chunk dimensions if successful and -1 if fails.
 !!
+!! See C API: @ref int H5Pget_chunk(hid_t plist_id, int max_ndims, hsize_t dim[] );
+!!
   SUBROUTINE h5pget_chunk_f(prp_id, ndims, dims, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -440,6 +456,8 @@ CONTAINS
 !! \param level  Compression level.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_deflate(hid_t plist_id, unsigned level);
+!!
   SUBROUTINE h5pset_deflate_f(prp_id, level, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -474,6 +492,8 @@ CONTAINS
 !! \param shhdr    Shared object header version number.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_version(hid_t plist_id, unsigned *boot , unsigned *freelist /*out*/, unsigned *stab, unsigned *shhdr /*out*/);
+!!
   SUBROUTINE h5pget_version_f(prp_id, boot, freelist, &
        stab, shhdr, hdferr)
     IMPLICIT NONE
@@ -537,6 +557,8 @@ CONTAINS
 !! \param block_size Size of the user block in bytes.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_userblock(hid_t plist_id, hsize_t *size);
+!!
   SUBROUTINE h5pget_userblock_f(prp_id, block_size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -594,6 +616,8 @@ CONTAINS
 !! \param sizeof_size Size of an object length in bytes.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_sizes(hid_t plist_id, size_t *sizeof_addr , size_t *sizeof_size /*out*/);
+!!
   SUBROUTINE h5pget_sizes_f(prp_id, sizeof_addr, sizeof_size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -653,6 +677,8 @@ CONTAINS
 !! \param lk     Symbol table node 1/2 size.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_sym_k(hid_t plist_id, unsigned *ik , unsigned *lk /*out*/);
+!!
   SUBROUTINE h5pget_sym_k_f(prp_id, ik, lk, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -708,6 +734,8 @@ CONTAINS
 !! \param ik     Rank of chunked storage B-tree.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_istore_k(hid_t plist_id, unsigned *ik );
+!!
   SUBROUTINE h5pget_istore_k_f(prp_id, ik, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -735,6 +763,8 @@ CONTAINS
 !! \param driver Low-level driver identifier.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref hid_t H5Pget_driver(hid_t plist_id);
+!!
   SUBROUTINE h5pget_driver_f(prp_id, driver, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -811,6 +841,8 @@ CONTAINS
 !! \param alignment Alignment value.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_alignment(hid_t fapl_id, hsize_t threshold, hsize_t alignment);
+!!
   SUBROUTINE h5pset_alignment_f(prp_id, threshold,  alignment, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -841,6 +873,8 @@ CONTAINS
 !! \param alignment Alignment value.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_alignment(hid_t fapl_id, hsize_t *threshold , hsize_t *alignment /*out*/);
+!!
   SUBROUTINE h5pget_alignment_f(prp_id, threshold,  alignment, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -999,6 +1033,8 @@ CONTAINS
 !! \param rdcc_w0     Preemption policy (0 or 1).
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_cache(hid_t plist_id, int mdc_nelmts, size_t rdcc_nslots, size_t rdcc_nbytes, double rdcc_w0);
+!!
   SUBROUTINE h5pset_cache_f(prp_id, mdc_nelmts,rdcc_nelmts, rdcc_nbytes, rdcc_w0, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -1035,6 +1071,8 @@ CONTAINS
 !! \param rdcc_w0     Preemption policy (0 or 1).
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_cache(hid_t plist_id, int *mdc_nelmts, /* out */ size_t *rdcc_nslots, size_t *rdcc_nbytes /*out*/, double *rdcc_w0);
+!!
   SUBROUTINE h5pget_cache_f(prp_id, mdc_nelmts, rdcc_nelmts, rdcc_nbytes, rdcc_w0, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -1136,6 +1174,8 @@ CONTAINS
 !! \param gc_reference Flag for setting garbage collection on and off (1 or 0)
 !! \param hdferr       \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_gc_references(hid_t fapl_id, unsigned *gc_ref );
+!!
   SUBROUTINE h5pget_gc_references_f(prp_id, gc_reference, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -1229,6 +1269,8 @@ CONTAINS
 !! \param cd_values Auxiliary data for the filter.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_filter(hid_t plist_id, H5Z_filter_t filter, unsigned int flags, size_t cd_nelmts, const unsigned int c_values[]);
+!!
   SUBROUTINE h5pset_filter_f(prp_id, filter, flags, cd_nelmts, cd_values,  hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -1295,6 +1337,8 @@ CONTAINS
 !! \param name          Buffer to retrieve filter name.
 !! \param hdferr        \fortran_error
 !!
+!! See C API: @ref H5Z_filter_t H5Pget_filter2(hid_t plist_id, unsigned idx, unsigned int *flags , size_t *cd_nelmts, unsigned cd_values[] /*out*/, size_t namelen, char name[], unsigned *filter_config);
+!!
   SUBROUTINE h5pget_filter_f(prp_id, filter_number, flags, cd_nelmts, cd_values, namelen, name, filter_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -1343,6 +1387,8 @@ CONTAINS
 !! \param bytes  Size of the external file data.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_external(hid_t plist_id, const char *name, off_t offset, hsize_t size);
+!!
   SUBROUTINE h5pset_external_f(prp_id, name, offset, bytes, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -1410,6 +1456,8 @@ CONTAINS
 !! \param bytes     Size of the external file data.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_external(hid_t plist_id, unsigned idx, size_t name_size, char *name , off_t *offset, hsize_t *size /*out*/);
+!!
   SUBROUTINE h5pget_external_f(prp_id, idx, name_size, name, offset,bytes, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -1448,6 +1496,8 @@ CONTAINS
 !! \param right  The B-tree split ratio for right-most nodes.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_btree_ratios(hid_t plist_id, double left, double middle, double right);
+!!
   SUBROUTINE h5pset_btree_ratios_f(prp_id, left, middle, right, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -1481,6 +1531,8 @@ CONTAINS
 !! \param right  The B-tree split ratio for right-most nodes.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_btree_ratios(hid_t plist_id, double *left , double *middle /*out*/, double *right);
+!!
   SUBROUTINE h5pget_btree_ratios_f(prp_id, left, middle, right, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -1516,6 +1568,8 @@ CONTAINS
 !!                \li H5F_CLOSE_STRONG_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_fclose_degree(hid_t fapl_id, H5F_close_degree_t *degree);
+!!
   SUBROUTINE h5pget_fclose_degree_f(fapl_id, degree, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: fapl_id
@@ -1548,6 +1602,8 @@ CONTAINS
 !!                \li H5F_CLOSE_STRONG_F
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_fclose_degree(hid_t fapl_id, H5F_close_degree_t degree);
+!!
   SUBROUTINE h5pset_fclose_degree_f(fapl_id, degree, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: fapl_id
@@ -1577,6 +1633,8 @@ CONTAINS
 !! \param flag      Flag, Possible values: .TRUE. or .FALSE.
 !! \param hdferr:   \fortran_error and flag is set to .FALSE.
 !!
+!! See C API: @ref htri_t H5Pequal(hid_t id1, hid_t id2);
+!!
   SUBROUTINE h5pequal_f(plist1_id, plist2_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist1_id
@@ -1610,6 +1668,8 @@ CONTAINS
 !! \param size     Buffer size.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_buffer(hid_t plist_id, size_t size, void *tconv, void *bkg);
+!!
   SUBROUTINE h5pset_buffer_f(plist_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1638,6 +1698,8 @@ CONTAINS
 !! \param size     Buffer size.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref size_t H5Pget_buffer(hid_t plist_id, void **tconv , void **bkg /*out*/);
+!!
   SUBROUTINE h5pget_buffer_f(plist_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1670,6 +1732,8 @@ CONTAINS
 !!                 \li H5D_FILL_VALUE_USER_DEFINED_F
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pfill_value_defined(hid_t plist, H5D_fill_value_t *status);
+!!
   SUBROUTINE h5pfill_value_defined_f(plist_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1703,6 +1767,8 @@ CONTAINS
 !!                 \li H5D_ALLOC_TIME_INCR_F
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_alloc_time(hid_t plist_id, H5D_alloc_time_t alloc_time);
+!!
   SUBROUTINE h5pset_alloc_time_f(plist_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1736,6 +1802,8 @@ CONTAINS
 !!                 \li H5D_ALLOC_TIME_INCR_F
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_alloc_time(hid_t plist_id, H5D_alloc_time_t *alloc_time );
+!!
   SUBROUTINE h5pget_alloc_time_f(plist_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1767,6 +1835,8 @@ CONTAINS
 !!                 \li H5D_FILL_TIME_NEVER_F
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_fill_time(hid_t plist_id, H5D_fill_time_t fill_time);
+!!
   SUBROUTINE h5pset_fill_time_f(plist_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1799,6 +1869,8 @@ CONTAINS
 !!                 \li H5D_FILL_TIME_NEVER_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_fill_time(hid_t plist_id, H5D_fill_time_t *fill_time );
+!!
   SUBROUTINE h5pget_fill_time_f(plist_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1827,6 +1899,8 @@ CONTAINS
 !! \param size     Metadata block size.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_meta_block_size(hid_t fapl_id, hsize_t size);
+!!
   SUBROUTINE h5pset_meta_block_size_f(plist_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1854,6 +1928,8 @@ CONTAINS
 !! \param size     Metadata block size.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_meta_block_size(hid_t fapl_id, hsize_t *size);
+!!
   SUBROUTINE h5pget_meta_block_size_f(plist_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1881,6 +1957,8 @@ CONTAINS
 !! \param size     Sieve buffer size.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_sieve_buf_size(hid_t fapl_id, size_t size);
+!!
   SUBROUTINE h5pset_sieve_buf_size_f(plist_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1908,6 +1986,8 @@ CONTAINS
 !! \param size     Sieve buffer size.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_sieve_buf_size(hid_t fapl_id, size_t *size );
+!!
   SUBROUTINE h5pget_sieve_buf_size_f(plist_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1935,6 +2015,8 @@ CONTAINS
 !! \param size     Small raw data block size.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_small_data_block_size(hid_t fapl_id, hsize_t size);
+!!
   SUBROUTINE h5pset_small_data_block_size_f(plist_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1962,6 +2044,8 @@ CONTAINS
 !! \param size     Small raw data block size.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_small_data_block_size(hid_t fapl_id, hsize_t *size );
+!!
   SUBROUTINE h5pget_small_data_block_size_f(plist_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -1989,6 +2073,8 @@ CONTAINS
 !! \param size     Vector size.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_hyper_vector_size(hid_t plist_id, size_t size);
+!!
   SUBROUTINE h5pset_hyper_vector_size_f(plist_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -2016,6 +2102,8 @@ CONTAINS
 !! \param size     Vector size.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_hyper_vector_size(hid_t fapl_id, size_t *size );
+!!
   SUBROUTINE h5pget_hyper_vector_size_f(plist_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -2044,6 +2132,8 @@ CONTAINS
 !! \param flag   Logical flag.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref htri_t H5Pexist(hid_t plist_id, const char *name);
+!!
   SUBROUTINE h5pexist_f(prp_id, name, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2082,6 +2172,8 @@ CONTAINS
 !! \param size   Size of property in bytes.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_size(hid_t id, const char *name, size_t *size);
+!!
   SUBROUTINE h5pget_size_f(prp_id, name, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2115,6 +2207,8 @@ CONTAINS
 !! \param nprops Number of properties in property object.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_nprops(hid_t id, size_t *nprops);
+!!
   SUBROUTINE h5pget_nprops_f(prp_id, nprops, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2144,6 +2238,8 @@ CONTAINS
 !!                      truncated to fit into provided user buffer.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref char *H5Pget_class_name(hid_t pclass_id);
+!!
   SUBROUTINE h5pget_class_name_f(prp_id, name, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2181,6 +2277,8 @@ CONTAINS
 !! \param parent_id Identifier of the parent class.
 !! \param hdferr:   \fortran_error
 !!
+!! See C API: @ref hid_t H5Pget_class_parent(hid_t pclass_id);
+!!
   SUBROUTINE h5pget_class_parent_f(prp_id, parent_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2208,6 +2306,8 @@ CONTAINS
 !! \param flag    TRUE. if a member, .FALSE. otherwise.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref htri_t H5Pisa_class(hid_t plist_id, hid_t pclass_id);
+!!
   SUBROUTINE h5pisa_class_f(plist, pclass, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist
@@ -2241,6 +2341,8 @@ CONTAINS
 !! \param name    Name of the property to copy.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Pcopy_prop(hid_t dst_id, hid_t src_id, const char *name);
+!!
   SUBROUTINE h5pcopy_prop_f(dst_id, src_id, name, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dst_id
@@ -2274,6 +2376,8 @@ CONTAINS
 !! \param name    Name of the property to remove.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Premove(hid_t plist_id, const char *name);
+!!
   SUBROUTINE h5premove_f(plid, name, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plid
@@ -2305,6 +2409,8 @@ CONTAINS
 !! \param name    Name of the property to remove.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Punregister(hid_t pclass_id, const char *name);
+!!
   SUBROUTINE h5punregister_f(class, name, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: class
@@ -2335,6 +2441,8 @@ CONTAINS
 !! \param class  Property list class identifier.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pclose_class(hid_t plist_id);
+!!
   SUBROUTINE h5pclose_class_f(class, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: class
@@ -2358,6 +2466,8 @@ CONTAINS
 !! \param prp_id Dataset creation property list identifier.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_shuffle(hid_t plist_id);
+!!
   SUBROUTINE h5pset_shuffle_f(prp_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2385,6 +2495,8 @@ CONTAINS
 !!               \li H5Z_ENABLE_EDC_F
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_edc_check(hid_t plist_id, H5Z_EDC_t check);
+!!
   SUBROUTINE h5pset_edc_check_f(prp_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2414,6 +2526,8 @@ CONTAINS
 !!               \li H5Z_ENABLE_EDC_F
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref H5Z_EDC_t H5Pget_edc_check(hid_t plist_id);
+!!
   SUBROUTINE h5pget_edc_check_f(prp_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2440,6 +2554,8 @@ CONTAINS
 !! \param prp_id Dataset creation property list identifier.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_fletcher32(hid_t plist_id);
+!!
   SUBROUTINE h5pset_fletcher32_f(prp_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2465,6 +2581,8 @@ CONTAINS
 !! \param offset File offset.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_family_offset(hid_t fapl_id, hsize_t offset);
+!!
   SUBROUTINE h5pset_family_offset_f(prp_id, offset, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2667,6 +2785,8 @@ CONTAINS
 !! \param pixels_per_block Szip parameters.
 !! \param hdferr           \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_szip(hid_t plist_id, unsigned options_mask, unsigned pixels_per_block);
+!!
   SUBROUTINE h5pset_szip_f(prp_id, options_mask, pixels_per_block, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2697,6 +2817,8 @@ CONTAINS
 !! \param flag   .TRUE. if all filters are available, .FALSE. otherwise.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref htri_t H5Pall_filters_avail(hid_t plist_id);
+!!
   SUBROUTINE h5pall_filters_avail_f(prp_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2733,6 +2855,8 @@ CONTAINS
 !! \param name      Buffer to retrieve filter name.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_filter_by_id2(hid_t plist_id, H5Z_filter_t filter_id, unsigned int *flags , size_t *cd_nelmts, unsigned cd_values[] /*out*/, size_t namelen, char name[], unsigned *filter_config /*out*/);
+!!
   SUBROUTINE h5pget_filter_by_id_f(prp_id, filter_id, flags, cd_nelmts, cd_values, namelen, name, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2776,6 +2900,8 @@ CONTAINS
 !! \param cd_values Auxiliary data for the filter.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Pmodify_filter(hid_t plist_id, H5Z_filter_t filter, unsigned int flags, size_t cd_nelmts, const unsigned int cd_values[/*cd_nelmts*/]);
+!!
   SUBROUTINE h5pmodify_filter_f(prp_id, filter, flags, cd_nelmts, cd_values,  hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2809,6 +2935,8 @@ CONTAINS
 !! \param filter Filter to be removed.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Premove_filter(hid_t plist_id, H5Z_filter_t filter);
+!!
   SUBROUTINE h5premove_filter_f(prp_id, filter, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -2837,6 +2965,8 @@ CONTAINS
 !! \param min_dense   Minimum number of attributes to be stored in dense storage (Default: 6).
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_attr_phase_change(hid_t plist_id, unsigned *max_compact, unsigned *min_dense);
+!!
   SUBROUTINE h5pget_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: ocpl_id
@@ -2867,6 +2997,8 @@ CONTAINS
 !! \param crt_order_flags Flags specifying whether to track and index attribute creation order.
 !! \param hdferr          \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_attr_creation_order(hid_t plist_id, unsigned crt_order_flags);
+!!
   SUBROUTINE h5pset_attr_creation_order_f(ocpl_id, crt_order_flags , hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: ocpl_id
@@ -2895,6 +3027,8 @@ CONTAINS
 !! \param nindexes Number of shared object header message indexes to be available in files created with this property list.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_shared_mesg_nindexes(hid_t plist_id, unsigned nindexes);
+!!
   SUBROUTINE h5pset_shared_mesg_nindexes_f( plist_id, nindexes, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -2928,6 +3062,8 @@ CONTAINS
 !! \param min_mesg_size   Minimum message size.
 !! \param hdferr          \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_shared_mesg_index(hid_t plist_id, unsigned index_num, unsigned mesg_type_flags, unsigned min_mesg_size);
+!!
   SUBROUTINE h5pset_shared_mesg_index_f(fcpl_id, index_num, mesg_type_flags, min_mesg_size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: fcpl_id
@@ -2962,6 +3098,8 @@ CONTAINS
 !! \param crt_order_flags Flags specifying whether to track and index attribute creation order.
 !! \param hdferr          \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_attr_creation_order(hid_t plist_id, unsigned *crt_order_flags);
+!!
   SUBROUTINE h5pget_attr_creation_order_f(ocpl_id, crt_order_flags, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: ocpl_id
@@ -2995,6 +3133,8 @@ CONTAINS
 !! \param hdferr  \fortran_error
 !!
 !! Fortran Interface:
+!! See C API: @ref herr_t H5Pget_libver_bounds(hid_t plist_id, H5F_libver_t *low, H5F_libver_t *high);
+!!
   SUBROUTINE h5pget_libver_bounds_f(fapl_id, low, high, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: fapl_id
@@ -3037,6 +3177,8 @@ CONTAINS
 !! \param high    The latest version of the library that will be used for writing objects.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_libver_bounds(hid_t plist_id, H5F_libver_t low, H5F_libver_t high);
+!!
   SUBROUTINE h5pset_libver_bounds_f(fapl_id, low, high, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: fapl_id
@@ -3074,6 +3216,8 @@ CONTAINS
 !! \param crt_order_flags Creation order flag(s).
 !! \param hdferr          \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_link_creation_order(hid_t plist_id, unsigned crt_order_flags);
+!!
   SUBROUTINE h5pset_link_creation_order_f(gcpl_id, crt_order_flags, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: gcpl_id
@@ -3104,6 +3248,8 @@ CONTAINS
 !! \param min_dense   Minimum number of attributes to be stored in dense storage.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_link_phase_change(hid_t plist_id, unsigned *max_compact , unsigned *min_dense);
+!!
   SUBROUTINE h5pget_link_phase_change_f(gcpl_id, max_compact, min_dense, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: gcpl_id
@@ -3134,6 +3280,8 @@ CONTAINS
 !! \param flag     Object timestamp setting, .TRUE. or .FALSE.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_obj_track_times(hid_t plist_id, hbool_t *track_times);
+!!
   SUBROUTINE h5pget_obj_track_times_f(plist_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -3166,6 +3314,8 @@ CONTAINS
 !! \param flag     Object timestamp setting, .TRUE. or .FALSE.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_obj_track_times(hid_t plist_id, hbool_t track_times);
+!!
   SUBROUTINE h5pset_obj_track_times_f(plist_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -3229,6 +3379,8 @@ CONTAINS
 !! \param crt_order_flags Creation order flag(s).
 !! \param hdferr          \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_link_creation_order(hid_t plist_id, unsigned *crt_order_flags /* out */);
+!!
   SUBROUTINE h5pget_link_creation_order_f(gcpl_id, crt_order_flags, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: gcpl_id
@@ -3260,6 +3412,8 @@ CONTAINS
 !!                 \li H5T_CSET_UTF8_F -> UTF-8 Unicode encoding
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_char_encoding(hid_t plist_id, H5T_cset_t encoding);
+!!
   SUBROUTINE h5pset_char_encoding_f(plist_id, encoding, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -3291,6 +3445,8 @@ CONTAINS
 !!                 \li H5T_CSET_UTF8_F -> UTF-8 Unicode encoding
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_char_encoding(hid_t plist_id, H5T_cset_t *encoding );
+!!
   SUBROUTINE  h5pget_char_encoding_f(plist_id, encoding, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -3321,6 +3477,8 @@ CONTAINS
 !! \param copy_options Copy option(s) to be set.
 !! \param hdferr       \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_copy_object(hid_t plist_id, unsigned copy_options);
+!!
   SUBROUTINE h5pset_copy_object_f(ocp_plist_id, copy_options, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: ocp_plist_id
@@ -3349,6 +3507,8 @@ CONTAINS
 !! \param copy_options Copy option(s) to be get.
 !! \param hdferr       \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_copy_object(hid_t plist_id, unsigned *copy_options );
+!!
   SUBROUTINE h5pget_copy_object_f(ocp_plist_id, copy_options, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: ocp_plist_id
@@ -3381,6 +3541,8 @@ CONTAINS
 !!                     Failure: -1
 !! \param size       Registered size of the transform expression
 !!
+!! See C API: @ref ssize_t H5Pget_data_transform(hid_t plist_id, char *expression , size_t size);
+!!
 SUBROUTINE h5pget_data_transform_f(plist_id, expression, hdferr, size)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -3421,6 +3583,8 @@ SUBROUTINE h5pget_data_transform_f(plist_id, expression, hdferr, size)
 !! \param expression Buffer to hold transform expression.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_data_transform(hid_t plist_id, const char *expression);
+!!
   SUBROUTINE h5pset_data_transform_f(plist_id, expression, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plist_id
@@ -3454,6 +3618,8 @@ SUBROUTINE h5pget_data_transform_f(plist_id, expression, hdferr, size)
 !! \param size_hint Hint for size of local heap.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_local_heap_size_hint(hid_t plist_id, size_t *size_hint );
+!!
   SUBROUTINE h5pget_local_heap_size_hint_f(gcpl_id, size_hint, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: gcpl_id
@@ -3483,6 +3649,8 @@ SUBROUTINE h5pget_data_transform_f(plist_id, expression, hdferr, size)
 !! \param est_name_len    Estimated average length of link names.
 !! \param hdferr          \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_est_link_info(hid_t plist_id, unsigned *est_num_entries /* out */, unsigned *est_name_len /* out */);
+!!
   SUBROUTINE h5pget_est_link_info_f(gcpl_id, est_num_entries, est_name_len, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: gcpl_id
@@ -3513,6 +3681,8 @@ SUBROUTINE h5pget_data_transform_f(plist_id, expression, hdferr, size)
 !! \param size_hint Hint for size of local heap.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_local_heap_size_hint(hid_t plist_id, size_t size_hint);
+!!
   SUBROUTINE h5pset_local_heap_size_hint_f(gcpl_id, size_hint, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: gcpl_id
@@ -3542,6 +3712,8 @@ SUBROUTINE h5pget_data_transform_f(plist_id, expression, hdferr, size)
 !! \param est_name_len    Estimated average length of link names.
 !! \param hdferr          \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_est_link_info(hid_t plist_id, unsigned est_num_entries, unsigned est_name_len);
+!!
   SUBROUTINE h5pset_est_link_info_f(gcpl_id, est_num_entries, est_name_len, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: gcpl_id
@@ -3573,6 +3745,8 @@ SUBROUTINE h5pget_data_transform_f(plist_id, expression, hdferr, size)
 !! \param min_dense   Minimum number of attributes to be stored in dense storage.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_link_phase_change(hid_t plist_id, unsigned max_compact, unsigned min_dense);
+!!
 SUBROUTINE h5pset_link_phase_change_f(gcpl_id, max_compact, min_dense, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: gcpl_id
@@ -3670,6 +3844,8 @@ SUBROUTINE h5pset_fapl_direct_f(fapl_id, alignment, block_size, cbuf_size, hdfer
 !! \param min_dense   Minimum number of attributes to be stored in dense storage, (Default: 6).
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_attr_phase_change(hid_t plist_id, unsigned max_compact, unsigned min_dense);
+!!
 SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: ocpl_id
@@ -3700,6 +3876,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param plist_id Dataset creation property list identifier.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_nbit(hid_t plist_id);
+!!
   SUBROUTINE h5pset_nbit_f(plist_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)  :: plist_id
@@ -3730,6 +3908,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param scale_factor Parameter related to scale.
 !! \param hdferr       \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_scaleoffset(hid_t plist_id, H5Z_SO_scale_type_t scale_type, int scale_factor);
+!!
   SUBROUTINE h5pset_scaleoffset_f(plist_id, scale_type, scale_factor, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)  :: plist_id
@@ -3761,6 +3941,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param nlinks  Maximum number of links to traverse.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_nlinks(hid_t plist_id, size_t nlinks);
+!!
   SUBROUTINE h5pset_nlinks_f(lapl_id, nlinks, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: lapl_id
@@ -3789,6 +3971,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param nlinks  Maximum number of links to traverse.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_nlinks(hid_t plist_id, size_t *nlinks);
+!!
   SUBROUTINE h5pget_nlinks_f(lapl_id, nlinks, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: lapl_id
@@ -3862,6 +4046,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param rdcc_w0     The chunk preemption policy for this dataset.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_chunk_cache(hid_t dapl_id, size_t rdcc_nslots, size_t rdcc_nbytes, double rdcc_w0);
+!!
   SUBROUTINE h5pset_chunk_cache_f(dapl_id, rdcc_nslots, rdcc_nbytes, rdcc_w0, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dapl_id
@@ -3897,6 +4083,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param rdcc_w0     Preemption policy.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_chunk_cache(hid_t dapl_id, size_t *rdcc_nslots , size_t *rdcc_nbytes /*out*/, double *rdcc_w0);
+!!
   SUBROUTINE h5pget_chunk_cache_f(dapl_id, rdcc_nslots, rdcc_nbytes, rdcc_w0, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dapl_id
@@ -3933,6 +4121,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param fillvalue Fillvalue.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_fill_value(hid_t plist_id, hid_t type_id, const void *value);
+!!
   SUBROUTINE h5pset_fill_value_f(prp_id, type_id, fillvalue, hdferr)
     INTEGER(HID_T), INTENT(IN)  :: prp_id
     INTEGER(HID_T), INTENT(IN)  :: type_id
@@ -3952,6 +4142,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param fillvalue Fillvalue.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_fill_value(hid_t plist_id, hid_t type_id, void *value );
+!!
   SUBROUTINE h5pget_fill_value_f(prp_id, type_id, fillvalue, hdferr)
     INTEGER(HID_T), INTENT(IN)  :: prp_id
     INTEGER(HID_T), INTENT(IN)  :: type_id
@@ -3971,6 +4163,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param fillvalue Fillvalue.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_fill_value(hid_t plist_id, hid_t type_id, const void *value);
+!!
   SUBROUTINE h5pset_fill_value_f(prp_id, type_id, fillvalue, hdferr)
     INTEGER(HID_T), INTENT(IN)  :: prp_id
     INTEGER(HID_T), INTENT(IN)  :: type_id
@@ -3990,6 +4184,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param fillvalue Fillvalue.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_fill_value(hid_t plist_id, hid_t type_id, void *value );
+!!
   SUBROUTINE h5pget_fill_value_f(prp_id, type_id, fillvalue, hdferr)
     INTEGER(HID_T), INTENT(IN)  :: prp_id
     INTEGER(HID_T), INTENT(IN)  :: type_id
@@ -4009,6 +4205,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param value  Pointer to value to set the property to.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset(hid_t plist_id, const char *name, const void *value);
+!!
   SUBROUTINE h5pset_f(prp_id, name, value, hdferr)
     INTEGER(HID_T)  , INTENT(IN)  :: prp_id
     CHARACTER(LEN=*), INTENT(IN)  :: name
@@ -4032,6 +4230,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !!               \li CHARACTER(LEN=*)
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset(hid_t plist_id, const char *name, const void *value);
+!!
   SUBROUTINE h5pset_f(prp_id, name, value, hdferr)
     INTEGER(HID_T)  , INTENT(IN)  :: prp_id
     CHARACTER(LEN=*), INTENT(IN)  :: name
@@ -4055,6 +4255,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !!               \li CHARACTER(LEN=*)
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset(hid_t plist_id, const char *name, const void *value);
+!!
   SUBROUTINE h5pset_f(prp_id, name, value, hdferr)
     INTEGER(HID_T), INTENT(IN) :: prp_id
     CHARACTER(LEN=*), INTENT(IN) :: name
@@ -4073,6 +4275,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param value  Pointer to a location to which to copy the value of of the property.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget(hid_t plist_id, const char *name, void *value);
+!!
   SUBROUTINE h5pget_f(prp_id, name, value, hdferr)
     INTEGER(HID_T)  , INTENT(IN)  :: prp_id
     CHARACTER(LEN=*), INTENT(IN)  :: name
@@ -4096,6 +4300,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !!               \li CHARACTER(LEN=*)
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget(hid_t plist_id, const char *name, void *value);
+!!
   SUBROUTINE h5pget_f(prp_id, name, value, hdferr)
     INTEGER(HID_T)  , INTENT(IN)  :: prp_id
     CHARACTER(LEN=*), INTENT(IN)  :: name
@@ -4115,6 +4321,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param value Pointer to value to set the property to.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pregister2(hid_t cls_id, const char *name, size_t size, void *def_value, H5P_prp_create_func_t create, H5P_prp_set_func_t set, H5P_prp_get_func_t get, H5P_prp_delete_func_t prp_del, H5P_prp_copy_func_t copy,
+!!
   SUBROUTINE h5pregister_f(class, name, size, value, hdferr)
     INTEGER(HID_T)  , INTENT(IN)  :: class
     CHARACTER(LEN=*), INTENT(IN)  :: name
@@ -4139,6 +4347,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !!              \li CHARACTER(LEN=*)
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pregister2(hid_t cls_id, const char *name, size_t size, void *def_value, H5P_prp_create_func_t create, H5P_prp_set_func_t set, H5P_prp_get_func_t get, H5P_prp_delete_func_t prp_del, H5P_prp_copy_func_t copy,
+!!
   SUBROUTINE h5pregister_f(class, name, size, value, hdferr)
     INTEGER(HID_T)  , INTENT(IN)  :: class
     CHARACTER(LEN=*), INTENT(IN)  :: name
@@ -4160,6 +4370,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param value  Pointer to new value pointer for the property being modified.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pinsert2(hid_t plist_id, const char *name, size_t size, void *value, H5P_prp_set_func_t set, H5P_prp_get_func_t get, H5P_prp_delete_func_t prp_del, H5P_prp_copy_func_t copy, H5P_prp_compare_func_t compare, H5P_prp_close_func_t close);
+!!
   SUBROUTINE h5pinsert_f(plist, name, size, value, hdferr)
     INTEGER(HID_T)  , INTENT(IN)  :: plist
     CHARACTER(LEN=*), INTENT(IN)  :: name
@@ -4185,6 +4397,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !!               \li CHARACTER(LEN=*)
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pinsert2(hid_t plist_id, const char *name, size_t size, void *value, H5P_prp_set_func_t set, H5P_prp_get_func_t get, H5P_prp_delete_func_t prp_del, H5P_prp_copy_func_t copy, H5P_prp_compare_func_t compare, H5P_prp_close_func_t close);
+!!
   SUBROUTINE h5pinsert_f(plist, name, size, value, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)  :: plist
@@ -4308,6 +4522,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 
   END SUBROUTINE h5pset_integer
 
+!! See C API: @ref herr_t H5Pset_chunk(hid_t plist_id, int ndims, const hsize_t dim[/*ndims*/]);
+!!
   SUBROUTINE h5pset_char(prp_id, name, value, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -4373,6 +4589,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 
   END SUBROUTINE h5pget_integer
 
+!! See C API: @ref int H5Pget_chunk(hid_t plist_id, int max_ndims, hsize_t dim[] );
+!!
   SUBROUTINE h5pget_char(prp_id, name, value, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -4415,6 +4633,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param value  Pointer to value to set the property to.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_page_buffer_size(hid_t plist_id, size_t buf_size, unsigned min_meta_per, unsigned min_raw_per);
+!!
   SUBROUTINE h5pset_ptr(prp_id, name, value, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -4437,6 +4657,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param value  Pointer to a location to which to copy the value of of the property.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_page_buffer_size(hid_t plist_id, size_t *buf_size, unsigned *min_meta_perc, unsigned *min_raw_perc);
+!!
   SUBROUTINE h5pget_ptr(prp_id, name, value, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: prp_id
@@ -4605,6 +4827,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param close       (H5P_cls_close_func_t)  - Callback routine called when a property list is being closed.
 !! \param close_data  User pointer to any class close information needed.
 !!
+!! See C API: @ref hid_t H5Pcreate_class(hid_t parent, const char *name, H5P_cls_create_func_t create, void *create_data, H5P_cls_copy_func_t copy, void *copy_data, H5P_cls_close_func_t close, void *close_data);
+!!
   SUBROUTINE h5pcreate_class_f(parent, name, class, hdferr, create, create_data, &
        copy, copy_data, close, close_data)
     IMPLICIT NONE
@@ -4664,6 +4888,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param buf_len Size of the supplied buffer, or 0 (zero) if no initial image is desired.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_file_image(hid_t fapl_id, void *buf_ptr, size_t buf_len);
+!!
   SUBROUTINE h5pset_file_image_f(fapl_id, buf_ptr, buf_len, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T) , INTENT(IN)  :: fapl_id
@@ -4698,6 +4924,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !!                    will be 0 if no initial image is set.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_file_image(hid_t fapl_id, void **buf_ptr_ptr, size_t *buf_len_ptr);
+!!
   SUBROUTINE h5pget_file_image_f(fapl_id, buf_ptr, buf_len_ptr, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T) , INTENT(IN)                :: fapl_id
@@ -4855,6 +5083,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param actual_io_mode The type of I/O performed by this process.
 !! \param hdferr         \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_mpio_actual_io_mode(hid_t plist_id, H5D_mpio_actual_io_mode_t *actual_io_mode);
+!!
   SUBROUTINE h5pget_mpio_actual_io_mode_f(dxpl_id, actual_io_mode, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)  :: dxpl_id
@@ -4888,6 +5118,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param is_collective Indicates if metadata writes are collective or not.
 !! \param hdferr        \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_all_coll_metadata_ops(hid_t plist_id, hbool_t is_collective);
+!!
   SUBROUTINE h5pset_all_coll_metadata_ops_f(plist_id, is_collective, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)  :: plist_id
@@ -4920,6 +5152,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param is_collective Collective access setting.
 !! \param hdferr        \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_all_coll_metadata_ops(hid_t plist_id, hbool_t *is_collective);
+!!
   SUBROUTINE h5pget_all_coll_metadata_ops_f(plist_id, is_collective, hdferr)
 
     IMPLICIT NONE
@@ -4953,6 +5187,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param is_collective Indicates if metadata writes are collective or not.
 !! \param hdferr        \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_coll_metadata_write(hid_t plist_id, hbool_t is_collective);
+!!
   SUBROUTINE h5pset_coll_metadata_write_f(plist_id, is_collective, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)  :: plist_id
@@ -4985,6 +5221,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param is_collective Collective access setting.
 !! \param hdferr        \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_coll_metadata_write(hid_t plist_id, hbool_t *is_collective);
+!!
   SUBROUTINE h5pget_coll_metadata_write_f(plist_id, is_collective, hdferr)
 
     IMPLICIT NONE
@@ -5026,6 +5264,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !!                \li H5D_VDS_LAST_AVAILABLE_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_virtual_view(hid_t dapl_id, H5D_vds_view_t view);
+!!
   SUBROUTINE h5pset_virtual_view_f(dapl_id, view, hdferr)
     IMPLICIT NONE
 
@@ -5057,6 +5297,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !!                \li H5D_VDS_LAST_AVAILABLE_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_virtual_view(hid_t dapl_id, H5D_vds_view_t *view);
+!!
   SUBROUTINE h5pget_virtual_view_f(dapl_id, view, hdferr)
     IMPLICIT NONE
 
@@ -5089,6 +5331,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !!                 the extent of an unlimited virtual dataset with printf-style mappings.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_virtual_printf_gap(hid_t dapl_id, hsize_t gap_size);
+!!
   SUBROUTINE h5pset_virtual_printf_gap_f(dapl_id, gap_size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T)  , INTENT(IN)  :: dapl_id
@@ -5118,6 +5362,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !!                 determining the extent of an unlimited virtual dataset with printf-style mappings.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_virtual_printf_gap(hid_t dapl_id, hsize_t *gap_size);
+!!
   SUBROUTINE h5pget_virtual_printf_gap_f(dapl_id, gap_size, hdferr)
     IMPLICIT NONE
 
@@ -5149,6 +5395,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param src_space_id  The source dataset’s dataspace identifier with a selection applied, possibly an unlimited selection.
 !! \param hdferr        \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_virtual(hid_t dcpl_id, hid_t vspace_id, const char *src_file_name, const char *src_dset_name, hid_t src_space_id);
+!!
   SUBROUTINE h5pset_virtual_f(dcpl_id, vspace_id, src_file_name, src_dset_name, src_space_id, hdferr)
     IMPLICIT NONE
 
@@ -5191,6 +5439,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param count   The number of mappings.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_virtual_count(hid_t dcpl_id, size_t *count );
+!!
   SUBROUTINE h5pget_virtual_count_f(dcpl_id, count, hdferr)
 
     IMPLICIT NONE
@@ -5222,6 +5472,8 @@ SUBROUTINE h5pset_attr_phase_change_f(ocpl_id, max_compact, min_dense, hdferr)
 !! \param ds_id   Valid dataspace identifier identifier if successful; otherwise returns H5I_INVALID_HID_F.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref hid_t H5Pget_virtual_vspace(hid_t dcpl_id, size_t index);
+!!
   SUBROUTINE h5pget_virtual_vspace_f(dcpl_id, index, ds_id, hdferr)
     IMPLICIT NONE
 
@@ -5257,6 +5509,8 @@ END SUBROUTINE h5pget_virtual_vspace_f
 !! \param ds_id   Dataspace identifier.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref hid_t H5Pget_virtual_srcspace(hid_t dcpl_id, size_t index);
+!!
 SUBROUTINE h5pget_virtual_srcspace_f(dcpl_id, index, ds_id, hdferr)
   IMPLICIT NONE
 
@@ -5294,6 +5548,8 @@ END SUBROUTINE h5pget_virtual_srcspace_f
 !! \param name_len The size of name needed to hold the filename. (OUT)
 !!
 !!
+!! See C API: @ref ssize_t H5Pget_virtual_filename(hid_t dcpl_id, size_t index, char *name , size_t size);
+!!
 SUBROUTINE h5pget_virtual_filename_f(dcpl_id, index, name, hdferr, name_len)
 
   IMPLICIT NONE
@@ -5346,6 +5602,8 @@ END SUBROUTINE h5pget_virtual_filename_f
 !! \param hdferr   \fortran_error
 !! \param name_len The size of name needed to hold the source dataset name.
 !!
+!! See C API: @ref ssize_t H5Pget_virtual_dsetname(hid_t dcpl_id, size_t index, char *name , size_t size);
+!!
 SUBROUTINE h5pget_virtual_dsetname_f(dcpl_id, index, name, hdferr, name_len)
 
   IMPLICIT NONE
@@ -5395,6 +5653,8 @@ END SUBROUTINE h5pget_virtual_dsetname_f
 !! \param minimize Value of the setting.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_dset_no_attrs_hint(hid_t dcpl_id, hbool_t *minimize);
+!!
   SUBROUTINE h5pget_dset_no_attrs_hint_f(dcpl_id, minimize, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T) , INTENT(IN)              :: dcpl_id
@@ -5428,6 +5688,8 @@ END SUBROUTINE h5pget_virtual_dsetname_f
 !! \param minimize Value of the setting.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_dset_no_attrs_hint(hid_t dcpl_id, hbool_t minimize);
+!!
   SUBROUTINE h5pset_dset_no_attrs_hint_f(dcpl_id, minimize, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T) , INTENT(IN)              :: dcpl_id
@@ -5461,6 +5723,8 @@ END SUBROUTINE h5pget_virtual_dsetname_f
 !! \param hdferr       \fortran_error
 !! \param new_vol_info VOL connector info.
 !!
+!! See C API: @ref herr_t H5Pset_vol(hid_t plist_id, hid_t new_vol_id, const void *new_vol_info);
+!!
   SUBROUTINE h5pset_vol_f(plist_id, new_vol_id, hdferr, new_vol_info)
     IMPLICIT NONE
     INTEGER(HID_T) , INTENT(IN)   :: plist_id
@@ -5496,6 +5760,8 @@ END SUBROUTINE h5pget_virtual_dsetname_f
 !! \param vol_id   VOL connector id.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_vol_id(hid_t plist_id, hid_t *vol_id);
+!!
   SUBROUTINE h5pget_vol_id_f(plist_id, vol_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T) , INTENT(IN)   :: plist_id
@@ -5525,6 +5791,8 @@ END SUBROUTINE h5pget_virtual_dsetname_f
 !! \param ignore_disabled_locks Whether or not to ignore file locks when locking is disabled on a file system.
 !! \param hdferr                \fortran_error
 !!
+!! See C API: @ref herr_t H5Pget_file_locking(hid_t fapl_id, hbool_t *use_file_locking, hbool_t *ignore_when_disabled);
+!!
   SUBROUTINE h5pget_file_locking_f(fapl_id, use_file_locking, ignore_disabled_locks, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T) , INTENT(IN)              :: fapl_id
@@ -5562,6 +5830,8 @@ END SUBROUTINE h5pget_virtual_dsetname_f
 !! \param ignore_disabled_locks Whether or not to ignore file locks when locking is disabled on a file system.
 !! \param hdferr                \fortran_error
 !!
+!! See C API: @ref herr_t H5Pset_file_locking(hid_t fapl_id, hbool_t use_file_locking, hbool_t ignore_when_disabled);
+!!
   SUBROUTINE h5pset_file_locking_f(fapl_id, use_file_locking, ignore_disabled_locks, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T) , INTENT(IN)              :: fapl_id
diff --git a/fortran/src/H5Rff.F90 b/fortran/src/H5Rff.F90
index f5dfb5c..eefc447 100644
--- a/fortran/src/H5Rff.F90
+++ b/fortran/src/H5Rff.F90
@@ -72,7 +72,7 @@ MODULE H5R
 
 !> @brief hdset_reg_ref_t_f03 C compatible reference
   TYPE :: hdset_reg_ref_t_f03
-     INTEGER(C_SIGNED_CHAR), DIMENSION(1:H5R_DSET_REG_REF_BUF_SIZE_F) :: ref 
+     INTEGER(C_SIGNED_CHAR), DIMENSION(1:H5R_DSET_REG_REF_BUF_SIZE_F) :: ref
   END TYPE hdset_reg_ref_t_f03
 
   INTERFACE h5rget_object_type_f
@@ -258,8 +258,10 @@ CONTAINS
 !! \param space_id Dataspace identifier.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref hid_t H5Rget_region(hid_t dataset, H5R_type_t ref_type, const void *ref);
+!!
 #ifdef H5_DOXYGEN_FORTRAN
-  SUBROUTINE h5rget_region_f(& 
+  SUBROUTINE h5rget_region_f(&
 #else
   SUBROUTINE h5rget_region_ptr_f(&
 #endif
@@ -290,6 +292,8 @@ CONTAINS
 !! \param ref    Reference to the specified object.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Rcreate_object(hid_t loc_id, const char *name, hid_t oapl_id, H5R_ref_t *ref_ptr);
+!!
   SUBROUTINE h5rcreate_object_f(loc_id, name, ref, hdferr)
     USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_PTR
     IMPLICIT NONE
@@ -321,6 +325,8 @@ CONTAINS
 !! \param ref      Reference to the dataset region.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Rcreate_region(hid_t loc_id, const char *name, hid_t space_id, hid_t oapl_id, H5R_ref_t *ref_ptr);
+!!
   SUBROUTINE h5rcreate_region_f(loc_id, name, space_id, ref, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -368,6 +374,8 @@ CONTAINS
 !! \param space_id Dataspace identifier that describes selected region.
 !!
 #ifdef H5_DOXYGEN_FORTRAN
+!! See C API: @ref herr_t H5Rcreate_object(hid_t loc_id, const char *name, hid_t oapl_id, H5R_ref_t *ref_ptr);
+!!
   SUBROUTINE h5rcreate_f(&
 #else
   SUBROUTINE h5rcreate_ptr_f(&
@@ -559,6 +567,8 @@ CONTAINS
 !!
 
 #ifdef H5_DOXYGEN_FORTRAN
+!! See C API: @ref ssize_t H5Rget_name(hid_t loc_id, H5R_type_t ref_type, const void *ref, char *name, size_t size);
+!!
   SUBROUTINE h5rget_name_f(&
 #else
   SUBROUTINE h5rget_name_ptr_f(&
@@ -602,6 +612,8 @@ CONTAINS
 !!             \li H H5G_TYPE_F
 !!  hdferr   - \fortran_error
 !!
+!! See C API: @ref herr_t H5Rget_obj_type3(H5R_ref_t *ref_ptr, hid_t rapl_id, H5O_type_t *obj_type);
+!!
   SUBROUTINE h5rget_obj_type_f(loc_id, ref_type, ref, obj_type, hdferr)
 
     USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_PTR
diff --git a/fortran/src/H5Sff.F90 b/fortran/src/H5Sff.F90
index 6599863..11404d4 100644
--- a/fortran/src/H5Sff.F90
+++ b/fortran/src/H5Sff.F90
@@ -53,6 +53,8 @@ CONTAINS
 !! \param hdferr   \fortran_error
 !! \param maxdims  An array of the maximum size of each dimension.
 !!
+!! See C API: @ref hid_t H5Screate_simple(int rank, const hsize_t dims[], const hsize_t maxdims[]);
+!!
   SUBROUTINE h5screate_simple_f(rank, dims, space_id, hdferr, maxdims)
 
     IMPLICIT NONE
@@ -97,6 +99,8 @@ CONTAINS
 !! \param space_id Identifier of dataspace to release.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Sclose(hid_t space_id);
+!!
   SUBROUTINE h5sclose_f(space_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -125,6 +129,8 @@ CONTAINS
 !! \param space_id  Dataspace identifier.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref hid_t H5Screate(H5S_class_t type);
+!!
   SUBROUTINE h5screate_f(classtype, space_id, hdferr)
     IMPLICIT NONE
     INTEGER, INTENT(IN) :: classtype
@@ -152,6 +158,8 @@ CONTAINS
 !! \param new_space_id Identifier of dataspace's copy.
 !! \param hdferr       \fortran_error
 !!
+!! See C API: @ref hid_t H5Scopy(hid_t space_id);
+!!
   SUBROUTINE h5scopy_f(space_id, new_space_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -179,6 +187,8 @@ CONTAINS
 !! \param num_blocks Number of hyperslab blocks in the current hyperslab selection.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref hssize_t H5Sget_select_hyper_nblocks(hid_t spaceid);
+!!
   SUBROUTINE h5sget_select_hyper_nblocks_f(space_id, num_blocks, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -209,6 +219,8 @@ CONTAINS
 !! \param buf        Buffer to hold block list.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref herr_t H5Sget_select_hyper_blocklist(hid_t spaceid, hsize_t startblock, hsize_t numblocks, hsize_t buf[]);
+!!
   SUBROUTINE h5sget_select_hyper_blocklist_f(space_id, startblock, &
                                                     num_blocks, buf, hdferr)
     IMPLICIT NONE
@@ -243,6 +255,8 @@ CONTAINS
 !! \param end      Ending coordinates of bounding box, i.e., the coordinates of the diagonally opposite corner.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Sget_select_bounds(hid_t spaceid, hsize_t start[], hsize_t end[]);
+!!
   SUBROUTINE  h5sget_select_bounds_f(space_id, start, END, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -273,6 +287,8 @@ CONTAINS
 !! \param num_points Number of element points in the current dataspace selection
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref hssize_t H5Sget_select_elem_npoints(hid_t spaceid);
+!!
   SUBROUTINE h5sget_select_elem_npoints_f(space_id, num_points, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -301,6 +317,8 @@ CONTAINS
 !! \param buf        Buffer with element points selected.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref herr_t H5Sget_select_elem_pointlist(hid_t spaceid, hsize_t startpoint, hsize_t numpoints, hsize_t buf[]);
+!!
   SUBROUTINE h5sget_select_elem_pointlist_f(space_id, startpoint, &
        num_points, buf, hdferr)
     IMPLICIT NONE
@@ -342,6 +360,8 @@ CONTAINS
 !!                     array is stored in 2D as (num_element x rank).
 !! \param hdferr       \fortran_error
 !!
+!! See C API: @ref herr_t H5Sselect_elements(hid_t space_id, H5S_seloper_t op, size_t num_elem, const hsize_t *coord);
+!!
   SUBROUTINE h5sselect_elements_f(space_id, OPERATOR, rank, &
        num_elements, coord, hdferr)
     IMPLICIT NONE
@@ -398,6 +418,8 @@ CONTAINS
 !! \param space_id Identifier for the dataspace in which selection being made.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Sselect_all(hid_t spaceid);
+!!
   SUBROUTINE h5sselect_all_f(space_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -422,6 +444,8 @@ CONTAINS
 !! \param space_id The identifier for the dataspace in which the selection is being reset.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Sselect_none(hid_t spaceid);
+!!
   SUBROUTINE h5sselect_none_f(space_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -447,6 +471,8 @@ CONTAINS
 !! \param status   TRUE if the selection is contained within the extent, FALSE otherwise.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref htri_t H5Sselect_valid(hid_t spaceid);
+!!
   SUBROUTINE h5sselect_valid_f(space_id, status, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -478,6 +504,8 @@ CONTAINS
 !! \param npoints  Number of elements in the dataspace.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref hssize_t H5Sget_simple_extent_npoints(hid_t space_id);
+!!
   SUBROUTINE h5sget_simple_extent_npoints_f(space_id, npoints, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -505,6 +533,8 @@ CONTAINS
 !! \param npoints  Number of points in the dataspace selection.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref hssize_t H5Sget_select_npoints(hid_t spaceid);
+!!
   SUBROUTINE h5sget_select_npoints_f(space_id, npoints, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -532,6 +562,8 @@ CONTAINS
 !! \param rank     Number of dataspace dimensions.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref int H5Sget_simple_extent_ndims(hid_t space_id);
+!!
   SUBROUTINE h5sget_simple_extent_ndims_f(space_id, rank, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -559,6 +591,8 @@ CONTAINS
 !! \param maxdims  Array to store maximum size of each dimension.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref int H5Sget_simple_extent_dims(hid_t space_id, hsize_t dims[], hsize_t maxdims[]);
+!!
   SUBROUTINE h5sget_simple_extent_dims_f(space_id, dims, maxdims, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -592,6 +626,8 @@ CONTAINS
 !!                  \li H5S_NULL_F
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref H5S_class_t H5Sget_simple_extent_type(hid_t space_id);
+!!
   SUBROUTINE h5sget_simple_extent_type_f(space_id, classtype, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -621,6 +657,8 @@ CONTAINS
 !! \param maximum_size Array with the new maximum sizes of dimensions.
 !! \param hdferr       \fortran_error
 !!
+!! See C API: @ref herr_t H5Sset_extent_simple(hid_t space_id, int rank, const hsize_t dims[], const hsize_t max[]);
+!!
   SUBROUTINE h5sset_extent_simple_f(space_id, rank, current_size, &
        maximum_size, hdferr)
     IMPLICIT NONE
@@ -653,6 +691,8 @@ CONTAINS
 !! \param status   Flag to indicate if dataspace is simple or not (TRUE or FALSE).
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref htri_t H5Sis_simple(hid_t space_id);
+!!
   SUBROUTINE h5sis_simple_f(space_id, status, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -684,6 +724,8 @@ CONTAINS
 !! \param offset   The offset at which to position the selection.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Soffset_simple(hid_t space_id, const hssize_t *offset);
+!!
   SUBROUTINE h5soffset_simple_f(space_id, offset, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -711,6 +753,8 @@ CONTAINS
 !! \param source_space_id The identifier for the dataspace from which the extent is copied.
 !! \param hdferr          \fortran_error
 !!
+!! See C API: @ref herr_t H5Sextent_copy(hid_t dst_id, hid_t src_id);
+!!
   SUBROUTINE h5sextent_copy_f(dest_space_id, source_space_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dest_space_id
@@ -737,6 +781,8 @@ CONTAINS
 !! \param space_id Dataspace identifier.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Sset_extent_none(hid_t space_id);
+!!
   SUBROUTINE h5sset_extent_none_f(space_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space_id
@@ -768,6 +814,8 @@ CONTAINS
 !! \param stride   Array with hyperslab strides.
 !! \param block    Array with hyperslab block sizes.
 !!
+!! See C API: @ref herr_t H5Sselect_hyperslab(hid_t space_id, H5S_seloper_t op, const hsize_t start[], const hsize_t stride[], const hsize_t count[], const hsize_t block[]);
+!!
   SUBROUTINE h5sselect_hyperslab_f(space_id, OPERATOR, start, count, &
        hdferr, stride, BLOCK)
     IMPLICIT NONE
@@ -1117,6 +1165,8 @@ CONTAINS
 !!                 \li H5S_SEL_ALL_F
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref H5S_sel_type H5Sget_select_type(hid_t spaceid);
+!!
   SUBROUTINE h5sget_select_type_f(space_id, TYPE, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(INOUT) :: space_id
@@ -1145,6 +1195,8 @@ CONTAINS
 !! \param obj_id Object ID.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref hid_t H5Sdecode(const void *buf);
+!!
   SUBROUTINE h5sdecode_f(buf, obj_id, hdferr)
     IMPLICIT NONE
     CHARACTER(LEN=*), INTENT(IN) :: buf
@@ -1174,6 +1226,8 @@ CONTAINS
 !! \param hdferr  \fortran_error
 !! \param fapl_id File access property list identifier.
 !!
+!! See C API: @ref herr_t H5Sencode2(hid_t obj_id, void *buf, size_t *nalloc, hid_t fapl);
+!!
   SUBROUTINE h5sencode_f(obj_id, buf, nalloc, hdferr, fapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -1212,6 +1266,8 @@ CONTAINS
 !! \param Equal     .TRUE. if equal, .FALSE. if unequal.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref htri_t H5Sextent_equal(hid_t space1_id, hid_t space2_id);
+!!
   SUBROUTINE h5sextent_equal_f(space1_id, space2_id, equal, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: space1_id
@@ -1248,6 +1304,8 @@ CONTAINS
 !! \param block    Size of a block in the regular hyperslab.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref htri_t H5Sget_regular_hyperslab(hid_t spaceid, hsize_t start[], hsize_t stride[], hsize_t count[], hsize_t block[]);
+!!
   SUBROUTINE h5sget_regular_hyperslab_f(space_id, start, stride, count, block, hdferr)
 
     IMPLICIT NONE
@@ -1302,6 +1360,8 @@ CONTAINS
 !! \param IsRegular TRUE or FALSE for hyperslab selection if successful.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref htri_t H5Sis_regular_hyperslab(hid_t spaceid);
+!!
   SUBROUTINE h5sis_regular_hyperslab_f(space_id, IsRegular, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) ::  space_id
diff --git a/fortran/src/H5Tff.F90 b/fortran/src/H5Tff.F90
index ceb5447..9ee0ee8 100644
--- a/fortran/src/H5Tff.F90
+++ b/fortran/src/H5Tff.F90
@@ -73,6 +73,8 @@ CONTAINS
 !! \param hdferr  \fortran_error
 !! \param tapl_id Datatype access property list identifier.
 !!
+!! See C API: @ref hid_t H5Topen2(hid_t loc_id, const char *name, hid_t tapl_id);
+!!
   SUBROUTINE h5topen_f(loc_id, name, type_id, hdferr, tapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -116,6 +118,8 @@ CONTAINS
 !! \param tcpl_id Datatype creation property list.
 !! \param tapl_id Datatype access property list.
 !!
+!! See C API: @ref herr_t H5Tcommit2(hid_t loc_id, const char *name, hid_t type_id, hid_t lcpl_id, hid_t tcpl_id, hid_t tapl_id);
+!!
   SUBROUTINE h5tcommit_f(loc_id, name, type_id, hdferr, &
        lcpl_id, tcpl_id, tapl_id  )
     IMPLICIT NONE
@@ -172,6 +176,8 @@ CONTAINS
 !! \param new_type_id Identifier of datatype's copy.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref hid_t H5Tcopy(hid_t type_id);
+!!
   SUBROUTINE h5tcopy_f(type_id, new_type_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -197,6 +203,8 @@ CONTAINS
 !! \param flag     TRUE/FALSE flag to indicate if two datatypes are equal.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref htri_t H5Tequal(hid_t type1_id, hid_t type2_id);
+!!
   SUBROUTINE h5tequal_f(type1_id, type2_id, flag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type1_id
@@ -226,6 +234,8 @@ CONTAINS
 !! \param type_id Datatype identifier.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tclose(hid_t type_id);
+!!
   SUBROUTINE h5tclose_f(type_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -261,6 +271,8 @@ CONTAINS
 !!                \li H5T_ARRAY_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref H5T_class_t H5Tget_class(hid_t type_id);
+!!
   SUBROUTINE h5tget_class_f(type_id, class, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -286,6 +298,8 @@ CONTAINS
 !! \param size    Datatype size.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref size_t H5Tget_size(hid_t type_id);
+!!
   SUBROUTINE h5tget_size_f(type_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -312,6 +326,8 @@ CONTAINS
 !! \param size    Size of the datatype.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_size(hid_t type_id, size_t size);
+!!
   SUBROUTINE h5tset_size_f(type_id, size, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -341,6 +357,8 @@ CONTAINS
 !!                \li H5T_ORDER_VAX_F (not implemented yet)
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref H5T_order_t H5Tget_order(hid_t type_id);
+!!
   SUBROUTINE h5tget_order_f(type_id, order, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -370,6 +388,8 @@ CONTAINS
 !!                \li H5T_ORDER_VAX_F (not implemented yet)
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_order(hid_t type_id, H5T_order_t order);
+!!
   SUBROUTINE h5tset_order_f(type_id, order, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -397,6 +417,8 @@ CONTAINS
 !! \param precision Precision of the datatype.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref size_t H5Tget_precision(hid_t type_id);
+!!
   SUBROUTINE h5tget_precision_f(type_id, PRECISION, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -423,6 +445,8 @@ CONTAINS
 !! \param precision Datatype precision.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_precision(hid_t type_id, size_t prec);
+!!
   SUBROUTINE h5tset_precision_f(type_id, PRECISION, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -449,6 +473,8 @@ CONTAINS
 !! \param offset  Offset value.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref int H5Tget_offset(hid_t type_id);
+!!
   SUBROUTINE h5tget_offset_f(type_id, offset, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -475,6 +501,8 @@ CONTAINS
 !! \param offset  Offset value.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_offset(hid_t type_id, size_t offset);
+!!
   SUBROUTINE h5tset_offset_f(type_id, offset, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -507,6 +535,8 @@ CONTAINS
 !!                \li H5T_PAD_NPAD_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tget_pad(hid_t type_id, H5T_pad_t *lsb , H5T_pad_t *msb);
+!!
   SUBROUTINE h5tget_pad_f(type_id, lsbpad, msbpad, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -541,6 +571,8 @@ CONTAINS
 !!                \li H5T_PAD_NPAD_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_pad(hid_t type_id, H5T_pad_t lsb, H5T_pad_t msb);
+!!
   SUBROUTINE h5tset_pad_f(type_id, lsbpad, msbpad, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -575,6 +607,8 @@ CONTAINS
 !!                     H5T_SGN_ERROR_F = -1
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref H5T_sign_t H5Tget_sign(hid_t type_id);
+!!
   SUBROUTINE h5tget_sign_f(type_id, sign, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -608,6 +642,8 @@ CONTAINS
 !!                     H5T_SGN_ERROR_F = -1
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_sign(hid_t type_id, H5T_sign_t sign);
+!!
   SUBROUTINE h5tset_sign_f(type_id, sign, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -638,6 +674,8 @@ CONTAINS
 !! \param msize   Size of mantissa in bits.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tget_fields(hid_t type_id, size_t *spos , size_t *epos, size_t *esize, size_t *mpos, size_t *msize);
+!!
   SUBROUTINE h5tget_fields_f(type_id, spos, epos, esize, mpos, msize, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -678,6 +716,8 @@ CONTAINS
 !! \param msize   Size of mantissa in bits.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_fields(hid_t type_id, size_t spos, size_t epos, size_t esize, size_t mpos, size_t msize);
+!!
   SUBROUTINE h5tset_fields_f(type_id, spos, epos, esize, mpos, msize, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -714,6 +754,8 @@ CONTAINS
 !! \param ebias   Datatype exponent bias.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref size_t H5Tget_ebias(hid_t type_id);
+!!
   SUBROUTINE h5tget_ebias_f(type_id, ebias, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -741,6 +783,8 @@ CONTAINS
 !! \param ebias   Datatype exponent bias.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_ebias(hid_t type_id, size_t ebias);
+!!
   SUBROUTINE h5tset_ebias_f(type_id, ebias, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -770,6 +814,8 @@ CONTAINS
 !!                \li H5T_NORM_NONE_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref H5T_norm_t H5Tget_norm(hid_t type_id);
+!!
   SUBROUTINE h5tget_norm_f(type_id, norm, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -800,6 +846,8 @@ CONTAINS
 !!                \li H5T_NORM_NONE_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_norm(hid_t type_id, H5T_norm_t norm);
+!!
   SUBROUTINE h5tset_norm_f(type_id, norm, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -829,6 +877,8 @@ CONTAINS
 !!                \li H5T_PAD_BACKGROUND_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref H5T_pad_t H5Tget_inpad(hid_t type_id);
+!!
   SUBROUTINE h5tget_inpad_f(type_id, padtype, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -858,6 +908,8 @@ CONTAINS
 !!                \li H5T_PAD_BACKGROUND_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_inpad(hid_t type_id, H5T_pad_t pad);
+!!
   SUBROUTINE h5tset_inpad_f(type_id, padtype, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -886,6 +938,8 @@ CONTAINS
 !!                \li H5T_CSET_UTF8_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref H5T_cset_t H5Tget_cset(hid_t type_id);
+!!
   SUBROUTINE h5tget_cset_f(type_id, cset, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -914,6 +968,8 @@ CONTAINS
 !!                \li H5T_CSET_UTF8_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_cset(hid_t type_id, H5T_cset_t cset);
+!!
   SUBROUTINE h5tset_cset_f(type_id, cset, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -943,6 +999,8 @@ CONTAINS
 !!                \li H5T_STR_ERROR_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref H5T_str_t H5Tget_strpad(hid_t type_id);
+!!
   SUBROUTINE h5tget_strpad_f(type_id, strpad, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -973,6 +1031,8 @@ CONTAINS
 !!                \li H5T_STR_ERROR_F
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_strpad(hid_t type_id, H5T_str_t strpad);
+!!
   SUBROUTINE h5tset_strpad_f(type_id, strpad, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -999,6 +1059,8 @@ CONTAINS
 !! \param num_members Number of members.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref int H5Tget_nmembers(hid_t type_id);
+!!
   SUBROUTINE h5tget_nmembers_f(type_id, num_members, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1027,6 +1089,8 @@ CONTAINS
 !! \param namelen     Name length.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref char *H5Tget_member_name(hid_t type_id, unsigned membno);
+!!
   SUBROUTINE h5tget_member_name_f(type_id, index, member_name,  namelen, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1059,6 +1123,8 @@ CONTAINS
 !! \param offset    Byte offset of the requested field.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref size_t H5Tget_member_offset(hid_t type_id, unsigned membno);
+!!
   SUBROUTINE h5tget_member_offset_f(type_id, member_no, offset, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1087,6 +1153,8 @@ CONTAINS
 !! \param index   Based index of the filed or member (0 to N-1).
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref int H5Tget_member_index(hid_t type_id, const char *name);
+!!
   SUBROUTINE h5tget_member_index_f(type_id, name, index, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1154,6 +1222,8 @@ CONTAINS
 !! \param dims    Buffer to store array datatype dimensions.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref int H5Tget_array_dims2(hid_t type_id, hsize_t dims[]);
+!!
   SUBROUTINE h5tget_array_dims_f(type_id, dims, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1181,6 +1251,8 @@ CONTAINS
 !! \param ndims   Number of array dimensions.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref int H5Tget_array_ndims(hid_t type_id);
+!!
   SUBROUTINE h5tget_array_ndims_f(type_id, ndims, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1208,6 +1280,8 @@ CONTAINS
 !! \param base_type_id Identifier of the base type.
 !! \param hdferr       \fortran_error
 !!
+!! See C API: @ref hid_t H5Tget_super(hid_t type);
+!!
   SUBROUTINE h5tget_super_f(type_id, base_type_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1236,6 +1310,8 @@ CONTAINS
 !! \param datatype  Identifier of the member's datatype.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref hid_t H5Tget_member_type(hid_t type_id, unsigned membno);
+!!
   SUBROUTINE h5tget_member_type_f(type_id,  field_idx, datatype, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1270,6 +1346,8 @@ CONTAINS
 !! \param type_id Datatype identifier.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref hid_t H5Tcreate(H5T_class_t type, size_t size);
+!!
   SUBROUTINE h5tcreate_f(class, size, type_id, hdferr)
     IMPLICIT NONE
     INTEGER        , INTENT(IN)  :: class
@@ -1300,6 +1378,8 @@ CONTAINS
 !! \param field_id Datatype identifier of the field to insert.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref herr_t H5Tinsert(hid_t parent_id, const char *name, size_t offset, hid_t member_id);
+!!
   SUBROUTINE h5tinsert_f(type_id,  name, offset, field_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1334,6 +1414,8 @@ CONTAINS
 !! \param type_id Compound datatype identifier.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tpack(hid_t type_id);
+!!
   SUBROUTINE h5tpack_f(type_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1397,6 +1479,8 @@ CONTAINS
 !! \param type_id Array datatype identifier.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref hid_t H5Tarray_create2(hid_t base_id, unsigned ndims, const hsize_t dim[]);
+!!
   SUBROUTINE h5tarray_create_f(base_id, rank, dims, type_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: base_id
@@ -1428,6 +1512,8 @@ CONTAINS
 !! \param new_type_id Datatype identifier for the enumeration datatype.
 !! \param hdferr      \fortran_error
 !!
+!! See C API: @ref hid_t H5Tenum_create(hid_t base_id);
+!!
   SUBROUTINE h5tenum_create_f(parent_id, new_type_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: parent_id
@@ -1456,6 +1542,8 @@ CONTAINS
 !! \param name    Buffer to hold symbol name.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tenum_nameof(hid_t type, const void *value, char *name , size_t size);
+!!
   SUBROUTINE h5tenum_nameof_f(type_id,  value, namelen, name, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1489,6 +1577,8 @@ CONTAINS
 !! \param value   Value of the enumeration datatype.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tenum_valueof(hid_t type, const char *name, void *value );
+!!
   SUBROUTINE h5tenum_valueof_f(type_id,  name, value, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1524,6 +1614,8 @@ CONTAINS
 !! \param value     Value of the enumeration datatype.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref herr_t H5Tget_member_value(hid_t type_id, unsigned membno, void *value );
+!!
   SUBROUTINE h5tget_member_value_f(type_id,  member_no, value, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1553,6 +1645,8 @@ CONTAINS
 !! \param tag     Unique ASCII string with which the opaque datatype is to be tagged.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref herr_t H5Tset_tag(hid_t type, const char *tag);
+!!
   SUBROUTINE h5tset_tag_f(type_id, tag, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1585,6 +1679,8 @@ CONTAINS
 !! \param taglen  Length of tag.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref char *H5Tget_tag(hid_t type);
+!!
   SUBROUTINE h5tget_tag_f(type_id, tag,taglen, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1618,6 +1714,8 @@ CONTAINS
 !! \param vltype_id Identifier for VL datatype.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref hid_t H5Tvlen_create(hid_t base_id);
+!!
   SUBROUTINE h5tvlen_create_f(type_id, vltype_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN)  :: type_id
@@ -1644,6 +1742,8 @@ CONTAINS
 !! \param status  Flag to indicate if datatype is a variable string ( TRUE or FALSE).
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref htri_t H5Tis_variable_str(hid_t type_id);
+!!
   SUBROUTINE h5tis_variable_str_f(type_id, status, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1689,6 +1789,8 @@ CONTAINS
 !!                  \li H5T_ARRAY_F
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref H5T_class_t H5Tget_member_class(hid_t type_id, unsigned membno);
+!!
   SUBROUTINE h5tget_member_class_f(type_id, member_no, class, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: type_id
@@ -1721,6 +1823,8 @@ CONTAINS
 !! \param tcpl_id  A datatype creation property list identifier (H5P_DEFAULT_F for the default property list.)
 !! \param tapl_id  A datatype access property list identifier should always be passed as the value H5P_DEFAULT_F.
 !!
+!! See C API: @ref herr_t H5Tcommit_anon(hid_t loc_id, hid_t type_id, hid_t tcpl_id, hid_t tapl_id);
+!!
   SUBROUTINE h5tcommit_anon_f(loc_id, dtype_id, hdferr, tcpl_id, tapl_id)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: loc_id
@@ -1763,6 +1867,8 @@ CONTAINS
 !! \param committed .TRUE. if the datatype has been committed, and .FALSE. if the datatype has not been committed.
 !! \param hdferr    \fortran_error
 !!
+!! See C API: @ref htri_t H5Tcommitted(hid_t type_id);
+!!
   SUBROUTINE h5tcommitted_f(dtype_id, committed, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dtype_id
@@ -1799,6 +1905,8 @@ CONTAINS
 !! \param obj_id Object ID.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref hid_t H5Tdecode(const void *buf);
+!!
   SUBROUTINE h5tdecode_f(buf, obj_id, hdferr)
     IMPLICIT NONE
     CHARACTER(LEN=*), INTENT(IN) :: buf
@@ -1828,6 +1936,8 @@ CONTAINS
 !! \param nalloc If set to zero, returns the size of the buffer needed. Otherwise, it sets the size of \p buf allocated.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5Tencode(hid_t obj_id, void *buf, size_t *nalloc);
+!!
   SUBROUTINE h5tencode_f(obj_id, buf, nalloc, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -1859,6 +1969,8 @@ CONTAINS
 !! \param dtpl_id  Datatype property list identifier.
 !! \param hdferr   \fortran_error
 !!
+!! See C API: @ref hid_t H5Tget_create_plist(hid_t type_id);
+!!
   SUBROUTINE h5tget_create_plist_f(dtype_id, dtpl_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dtype_id
@@ -1925,6 +2037,8 @@ CONTAINS
 !! \param native_dtype_id The native datatype identifier for the specified dataset datatype.
 !! \param hdferr          \fortran_error
 !!
+!! See C API: @ref hid_t H5Tget_native_type(hid_t type_id, H5T_direction_t direction);
+!!
   SUBROUTINE h5tget_native_type_f(dtype_id, direction, native_dtype_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: dtype_id
@@ -1957,6 +2071,8 @@ CONTAINS
 !! \param background Background buffer.
 !! \param plist_id   Dataset transfer property list identifier.
 !!
+!! See C API: @ref herr_t H5Tconvert(hid_t src_id, hid_t dst_id, size_t nelmts, void *buf, void *background, hid_t plist_id);
+!!
   SUBROUTINE h5tconvert_f(src_id, dst_id, nelmts, buf, hdferr, background, plist_id)
     IMPLICIT NONE
     INTEGER(HID_T) , INTENT(IN)               :: src_id
@@ -2007,6 +2123,8 @@ CONTAINS
 !! \param hdferr  \fortran_error
 !!
 #ifdef H5_DOXYGEN_FORTRAN
+!! See C API: @ref herr_t H5Tenum_insert(hid_t type, const char *name, const void *value);
+!!
   SUBROUTINE h5tenum_insert_f(&
 #else
   SUBROUTINE h5tenum_insert_f03(&
@@ -2053,6 +2171,8 @@ CONTAINS
 !! \param hdferr  \fortran_error
 !!
 #ifdef H5_DOXYGEN_FORTRAN
+!! See C API: @ref herr_t H5Tenum_insert(hid_t type, const char *name, const void *value);
+!!
   SUBROUTINE h5tenum_insert_f(type_id,  name, value, hdferr)
 #else
   SUBROUTINE h5tenum_insert_f90(type_id,  name, value, hdferr)
diff --git a/fortran/src/H5VLff.F90 b/fortran/src/H5VLff.F90
index 1d60848..1a4edf3 100644
--- a/fortran/src/H5VLff.F90
+++ b/fortran/src/H5VLff.F90
@@ -58,6 +58,8 @@ CONTAINS
 !! \param hdferr  \fortran_error
 !! \param vipl_id VOL initialization property list identifier.
 !!
+!! See C API: @ref hid_t H5VLregister_connector_by_name(const char *connector_name, hid_t vipl_id);
+!!
   SUBROUTINE H5VLregister_connector_by_name_f(name, vol_id, hdferr, vipl_id)
     IMPLICIT NONE
     CHARACTER(LEN=*), INTENT(IN) :: name
@@ -97,6 +99,8 @@ CONTAINS
 !! \param hdferr          \fortran_error
 !! \param vipl_id         VOL initialization property list identifier.
 !!
+!! See C API: @ref hid_t H5VLregister_connector_by_value(H5VL_class_value_t connector_value, hid_t vipl_id);
+!!
   SUBROUTINE H5VLregister_connector_by_value_f(connector_value, vol_id, hdferr, vipl_id)
     IMPLICIT NONE
     INTEGER, INTENT(IN) :: connector_value
@@ -134,6 +138,8 @@ CONTAINS
 !! \param registered State of VOL class registration.
 !! \param hdferr     \fortran_error
 !!
+!! See C API: @ref htri_t H5VLis_connector_registered_by_name(const char *name);
+!!
   SUBROUTINE H5VLis_connector_registered_by_name_f(name, registered,  hdferr)
     IMPLICIT NONE
     CHARACTER(LEN=*), INTENT(IN) :: name
@@ -169,6 +175,8 @@ CONTAINS
 !! \param registered State of VOL class registration.
 !! \param hdferr Retu\fortran_error
 !!
+!! See C API: @ref htri_t H5VLis_connector_registered_by_value(H5VL_class_value_t connector_value);
+!!
   SUBROUTINE H5VLis_connector_registered_by_value_f(value, registered,  hdferr)
     IMPLICIT NONE
     INTEGER, INTENT(IN) :: value
@@ -201,6 +209,8 @@ CONTAINS
 !! \param vol_id Connector id.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref hid_t H5VLget_connector_id(hid_t obj_id);
+!!
   SUBROUTINE H5VLget_connector_id_f(obj_id, vol_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -232,6 +242,8 @@ CONTAINS
 !! \param vol_id Connector id.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref hid_t H5VLget_connector_id_by_name(const char *name);
+!!
   SUBROUTINE H5VLget_connector_id_by_name_f(name, vol_id, hdferr)
     IMPLICIT NONE
     CHARACTER(LEN=*), INTENT(IN) :: name
@@ -267,6 +279,8 @@ CONTAINS
 !! \param vol_id Connector id.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref hid_t H5VLget_connector_id_by_value(H5VL_class_value_t connector_value);
+!!
   SUBROUTINE H5VLget_connector_id_by_value_f(value, vol_id, hdferr)
     IMPLICIT NONE
     INTEGER, INTENT(IN) :: value
@@ -299,6 +313,8 @@ CONTAINS
 !! \param hdferr   \fortran_error
 !! \param name_len Maximum length of the name to retrieve.
 !!
+!! See C API: @ref ssize_t H5VLget_connector_name(hid_t id, char *name , size_t size);
+!!
   SUBROUTINE H5VLget_connector_name_f(obj_id, name, hdferr, name_len)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: obj_id
@@ -342,6 +358,8 @@ CONTAINS
 !! \param vol_id A valid identifier of the connectory to unregister.
 !! \param hdferr \fortran_error
 !!
+!! See C API: @ref herr_t H5VLclose(hid_t connector_id);
+!!
   SUBROUTINE H5VLclose_f(vol_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: vol_id
@@ -366,6 +384,8 @@ CONTAINS
 !! \param plugin_id A valid identifier of the connector to unregister..
 !! \param hdferr Ret\fortran_error
 !!
+!! See C API: @ref herr_t H5VLunregister_connector(hid_t connector_id);
+!!
   SUBROUTINE H5VLunregister_connector_f(plugin_id, hdferr)
     IMPLICIT NONE
     INTEGER(HID_T), INTENT(IN) :: plugin_id
diff --git a/fortran/src/H5Zff.F90 b/fortran/src/H5Zff.F90
index 711e26b..d27c87b 100644
--- a/fortran/src/H5Zff.F90
+++ b/fortran/src/H5Zff.F90
@@ -83,6 +83,8 @@ CONTAINS
 !! \param status  Flag; .TRUE. if filter is available, .FALSE. otherwise.
 !! \param hdferr  \fortran_error
 !!
+!! See C API: @ref htri_t H5Zfilter_avail(H5Z_filter_t id);
+!!
   SUBROUTINE h5zfilter_avail_f(filter, status, hdferr)
     IMPLICIT NONE
     INTEGER, INTENT(IN)  :: filter
@@ -121,6 +123,8 @@ CONTAINS
 !!                     \li H5Z_FILTER_DECODE_ENABLED_F
 !! \param hdferr       \fortran_error
 !!
+!! See C API: @ref herr_t H5Zget_filter_info(H5Z_filter_t filter, unsigned int *filter_config_flags);
+!!
   SUBROUTINE h5zget_filter_info_f(filter, config_flags, hdferr)
     IMPLICIT NONE
     INTEGER, INTENT(IN)  :: filter
diff --git a/fortran/src/H5_ff.F90 b/fortran/src/H5_ff.F90
index 07705cf..1dc90c2 100644
--- a/fortran/src/H5_ff.F90
+++ b/fortran/src/H5_ff.F90
@@ -9,6 +9,18 @@
 !!
 !! @brief This module provides fortran specific helper functions for the HDF library.
 !
+! PURPOSE
+!  This module is used to pass C stubs for H5 Fortran APIs. The C stubs are
+!  packed into arrays in H5_f.c and these arrays are then passed to Fortran.
+!  This module then uses EQUIVALENCE to assign elements of the arrays to
+!  Fortran equivalent C stubs.
+!
+! NOTES
+!  The size of the C arrays in H5_f.c has to match the values of the variables
+!  declared as PARAMETER, hence if the size of an array in H5_f.c is changed
+!  then the PARAMETER of that corresponding array in Fortran must also be changed.
+!
+!
 ! COPYRIGHT
 ! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 !   Copyright by The HDF Group.                                               *
diff --git a/fortran/src/H5f90global.F90 b/fortran/src/H5f90global.F90
index eb3b87e..2eaad7f 100644
--- a/fortran/src/H5f90global.F90
+++ b/fortran/src/H5f90global.F90
@@ -1,24 +1,12 @@
-!****h* ROBODoc/H5GLOBAL
-!
-! NAME
-!  MODULE H5GLOBAL
-!
-! FILE
-!  src/fortran/H5f90global.F90
-!
-! PURPOSE
-!  This module is used to pass C stubs for H5 Fortran APIs. The C stubs are
-!  packed into arrays in H5_f.c and these arrays are then passed to Fortran.
-!  This module then uses EQUIVALENCE to assign elements of the arrays to
-!  Fortran equivalent C stubs.
-!
-! NOTES
-!  The size of the C arrays in H5_f.c has to match the values of the variables
-!  declared as PARAMETER, hence if the size of an array in H5_f.c is changed
-!  then the PARAMETER of that corresponding array in Fortran must also be changed.
+!> @defgroup FH5GLOBAL Fortran global constants.
+!!
+
+!> @ingroup FH5GLOBAL
+!!
+!! @brief This module contains Fortran datatypes and flags.
 !
 ! USES
-!  H5FORTRAN_TYPES 	 - This module is generated at run time. See
+!  H5FORTRAN_TYPES - H5FORTRAN_TYPES is generated at run time by H5match_types.c
 !
 ! COPYRIGHT
 ! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
@@ -48,7 +36,7 @@ MODULE H5GLOBAL
   ENUM, BIND(C)
     ENUMERATOR :: enum_dtype
   END ENUM
-  INTEGER, PARAMETER :: ENUM_T = KIND(enum_dtype)
+  INTEGER, PARAMETER :: ENUM_T = KIND(enum_dtype)  !< Enumerate data type that is interoperable with C.
 
   ! Definitions for reference datatypes.
   ! If you change the value of these parameters, do not forget to change corresponding
@@ -60,17 +48,20 @@ MODULE H5GLOBAL
   ! The flag is used to tell the function whether the kind input variable
   ! is for a REAL or INTEGER data type.
 
-  INTEGER, PARAMETER :: H5_REAL_KIND = 1
-  INTEGER, PARAMETER :: H5_INTEGER_KIND = 0
+  INTEGER, PARAMETER :: H5_REAL_KIND = 1    !< Used in the function h5kind_to_type()
+  INTEGER, PARAMETER :: H5_INTEGER_KIND = 0 !< Used in the function h5kind_to_type()
 
+!> @brief hobj_ref_t_f derived type
   TYPE :: hobj_ref_t_f
      INTEGER(HADDR_T) ref
   END TYPE hobj_ref_t_f
 
+!> @brief hdset_reg_ref_t_f derived type
   TYPE :: hdset_reg_ref_t_f
      INTEGER, DIMENSION(1:REF_REG_BUF_LEN) :: ref
   END TYPE hdset_reg_ref_t_f
 
+!> @brief h5o_token_t_f derived type
   TYPE, BIND(C) :: h5o_token_t_f
      INTEGER(C_INT8_T), DIMENSION(1:H5O_TOKEN_BUF_LEN) :: token
   END TYPE h5o_token_t_f
@@ -137,56 +128,56 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5T_NATIVE_FLOAT_128
   !DEC$endif
 
-  INTEGER(HID_T) :: H5T_NATIVE_REAL_C_FLOAT
-  INTEGER(HID_T) :: H5T_NATIVE_REAL_C_DOUBLE
-  INTEGER(HID_T) :: H5T_NATIVE_REAL_C_LONG_DOUBLE
-  INTEGER(HID_T) :: H5T_NATIVE_INTEGER
-  INTEGER(HID_T) :: H5T_NATIVE_REAL
-  INTEGER(HID_T) :: H5T_NATIVE_DOUBLE
-  INTEGER(HID_T) :: H5T_NATIVE_CHARACTER
-  INTEGER(HID_T) :: H5T_STD_REF_OBJ
-  INTEGER(HID_T) :: H5T_STD_REF_DSETREG
-  INTEGER(HID_T) :: H5T_IEEE_F32BE
-  INTEGER(HID_T) :: H5T_IEEE_F32LE
-  INTEGER(HID_T) :: H5T_IEEE_F64BE
-  INTEGER(HID_T) :: H5T_IEEE_F64LE
-  INTEGER(HID_T) :: H5T_STD_I8BE
-  INTEGER(HID_T) :: H5T_STD_I8LE
-  INTEGER(HID_T) :: H5T_STD_I16BE
-  INTEGER(HID_T) :: H5T_STD_I16LE
-  INTEGER(HID_T) :: H5T_STD_I32BE
-  INTEGER(HID_T) :: H5T_STD_I32LE
-  INTEGER(HID_T) :: H5T_STD_I64BE
-  INTEGER(HID_T) :: H5T_STD_I64LE
-  INTEGER(HID_T) :: H5T_STD_U8BE
-  INTEGER(HID_T) :: H5T_STD_U8LE
-  INTEGER(HID_T) :: H5T_STD_U16BE
-  INTEGER(HID_T) :: H5T_STD_U16LE
-  INTEGER(HID_T) :: H5T_STD_U32BE
-  INTEGER(HID_T) :: H5T_STD_U32LE
-  INTEGER(HID_T) :: H5T_STD_U64BE
-  INTEGER(HID_T) :: H5T_STD_U64LE
-  INTEGER(HID_T) :: H5T_STRING
-  INTEGER(HID_T) :: H5T_STD_B8BE
-  INTEGER(HID_T) :: H5T_STD_B8LE
-  INTEGER(HID_T) :: H5T_STD_B16BE
-  INTEGER(HID_T) :: H5T_STD_B16LE
-  INTEGER(HID_T) :: H5T_STD_B32BE
-  INTEGER(HID_T) :: H5T_STD_B32LE
-  INTEGER(HID_T) :: H5T_STD_B64BE
-  INTEGER(HID_T) :: H5T_STD_B64LE
-  INTEGER(HID_T) :: H5T_NATIVE_B8
-  INTEGER(HID_T) :: H5T_NATIVE_B16
-  INTEGER(HID_T) :: H5T_NATIVE_B32
-  INTEGER(HID_T) :: H5T_NATIVE_B64
-  INTEGER(HID_T) :: H5T_FORTRAN_S1
-  INTEGER(HID_T) :: H5T_C_S1
+  INTEGER(HID_T) :: H5T_NATIVE_REAL_C_FLOAT       !< H5T_NATIVE_REAL_C_FLOAT
+  INTEGER(HID_T) :: H5T_NATIVE_REAL_C_DOUBLE      !< H5T_NATIVE_REAL_C_DOUBLE
+  INTEGER(HID_T) :: H5T_NATIVE_REAL_C_LONG_DOUBLE !< H5T_NATIVE_REAL_C_LONG_DOUBLE
+  INTEGER(HID_T) :: H5T_NATIVE_INTEGER            !< H5T_NATIVE_INTEGER
+  INTEGER(HID_T) :: H5T_NATIVE_REAL      !< H5T_NATIVE_REAL
+  INTEGER(HID_T) :: H5T_NATIVE_DOUBLE    !< H5T_NATIVE_DOUBLE
+  INTEGER(HID_T) :: H5T_NATIVE_CHARACTER !< H5T_NATIVE_CHARACTER
+  INTEGER(HID_T) :: H5T_STD_REF_OBJ      !< H5T_STD_REF_OBJ
+  INTEGER(HID_T) :: H5T_STD_REF_DSETREG  !< H5T_STD_REF_DSETREG
+  INTEGER(HID_T) :: H5T_IEEE_F32BE  !< H5T_IEEE_F32BE
+  INTEGER(HID_T) :: H5T_IEEE_F32LE  !< H5T_IEEE_F32LE
+  INTEGER(HID_T) :: H5T_IEEE_F64BE  !< H5T_IEEE_F64BE
+  INTEGER(HID_T) :: H5T_IEEE_F64LE  !< H5T_IEEE_F64LE
+  INTEGER(HID_T) :: H5T_STD_I8BE  !< H5T_STD_I8BE
+  INTEGER(HID_T) :: H5T_STD_I8LE  !< H5T_STD_I8LE
+  INTEGER(HID_T) :: H5T_STD_I16BE  !< H5T_STD_I16BE
+  INTEGER(HID_T) :: H5T_STD_I16LE  !< H5T_STD_I16LE
+  INTEGER(HID_T) :: H5T_STD_I32BE  !< H5T_STD_I32BE
+  INTEGER(HID_T) :: H5T_STD_I32LE  !< H5T_STD_I32LE
+  INTEGER(HID_T) :: H5T_STD_I64BE  !< H5T_STD_I64BE
+  INTEGER(HID_T) :: H5T_STD_I64LE  !< H5T_STD_I64LE
+  INTEGER(HID_T) :: H5T_STD_U8BE  !< H5T_STD_U8BE
+  INTEGER(HID_T) :: H5T_STD_U8LE  !< H5T_STD_U8LE
+  INTEGER(HID_T) :: H5T_STD_U16BE  !< H5T_STD_U16BE
+  INTEGER(HID_T) :: H5T_STD_U16LE  !< H5T_STD_U16LE
+  INTEGER(HID_T) :: H5T_STD_U32BE  !< H5T_STD_U32BE
+  INTEGER(HID_T) :: H5T_STD_U32LE  !< H5T_STD_U32LE
+  INTEGER(HID_T) :: H5T_STD_U64BE  !< H5T_STD_U64BE
+  INTEGER(HID_T) :: H5T_STD_U64LE  !< H5T_STD_U64LE
+  INTEGER(HID_T) :: H5T_STRING  !< H5T_STRING
+  INTEGER(HID_T) :: H5T_STD_B8BE  !< H5T_STD_B8BE
+  INTEGER(HID_T) :: H5T_STD_B8LE  !< H5T_STD_B8LE
+  INTEGER(HID_T) :: H5T_STD_B16BE  !< H5T_STD_B16BE
+  INTEGER(HID_T) :: H5T_STD_B16LE  !< H5T_STD_B16LE
+  INTEGER(HID_T) :: H5T_STD_B32BE  !< H5T_STD_B32BE
+  INTEGER(HID_T) :: H5T_STD_B32LE  !< H5T_STD_B32LE
+  INTEGER(HID_T) :: H5T_STD_B64BE  !< H5T_STD_B64BE
+  INTEGER(HID_T) :: H5T_STD_B64LE  !< H5T_STD_B64LE
+  INTEGER(HID_T) :: H5T_NATIVE_B8  !< H5T_NATIVE_B8
+  INTEGER(HID_T) :: H5T_NATIVE_B16  !< H5T_NATIVE_B16
+  INTEGER(HID_T) :: H5T_NATIVE_B32  !< H5T_NATIVE_B32
+  INTEGER(HID_T) :: H5T_NATIVE_B64  !< H5T_NATIVE_B64
+  INTEGER(HID_T) :: H5T_FORTRAN_S1  !< H5T_FORTRAN_S1
+  INTEGER(HID_T) :: H5T_C_S1     !< H5T_C_S1
 
   INTEGER, PARAMETER :: NUM_NATIVE_INTEGER_KIND = 5
   ! INTEGER*1, INTEGER*2, INTEGER*4, INTEGER*8, INTEGER*16
   INTEGER(HID_T), DIMENSION(1:NUM_NATIVE_INTEGER_KIND) :: H5T_NATIVE_INTEGER_KIND
-
-  INTEGER(HID_T) :: H5T_NATIVE_FLOAT_128 ! NEED IFDEF -MSB-
+  ! NEED IFDEF -MSB-
+  INTEGER(HID_T) :: H5T_NATIVE_FLOAT_128 !< Quadruple-precision floating-point
   !
   ! H5generic flags declaration
   !
@@ -203,17 +194,17 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: HADDR_UNDEF_F
   !DEC$endif
 
-  INTEGER :: H5_INDEX_UNKNOWN_F
-  INTEGER :: H5_INDEX_NAME_F
-  INTEGER :: H5_INDEX_CRT_ORDER_F
-  INTEGER :: H5_INDEX_N_F
-  INTEGER :: H5_ITER_UNKNOWN_F
-  INTEGER :: H5_ITER_INC_F
-  INTEGER :: H5_ITER_DEC_F
-  INTEGER :: H5_ITER_NATIVE_F
-  INTEGER :: H5_ITER_N_F
-
-  INTEGER(HADDR_T) :: HADDR_UNDEF_F
+  INTEGER :: H5_INDEX_UNKNOWN_F   !< H5_INDEX_UNKNOWN
+  INTEGER :: H5_INDEX_NAME_F      !< H5_INDEX_NAME
+  INTEGER :: H5_INDEX_CRT_ORDER_F !< H5_INDEX_CRT_ORDER
+  INTEGER :: H5_INDEX_N_F         !< H5_INDEX_N
+  INTEGER :: H5_ITER_UNKNOWN_F    !< H5_ITER_UNKNOWN
+  INTEGER :: H5_ITER_INC_F        !< H5_ITER_INC
+  INTEGER :: H5_ITER_DEC_F        !< H5_ITER_DEC
+  INTEGER :: H5_ITER_NATIVE_F     !< H5_ITER_NATIVE
+  INTEGER :: H5_ITER_N_F          !< H5_ITER_N
+
+  INTEGER(HADDR_T) :: HADDR_UNDEF_F  !< HADDR_UNDEF
   !
   ! H5F flags declaration
   !
@@ -245,31 +236,31 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5F_LIBVER_V114_F
   !DEC$endif
 
-  INTEGER :: H5F_ACC_RDWR_F
-  INTEGER :: H5F_ACC_RDONLY_F
-  INTEGER :: H5F_ACC_TRUNC_F
-  INTEGER :: H5F_ACC_EXCL_F
-  INTEGER :: H5F_ACC_DEBUG_F
-  INTEGER :: H5F_SCOPE_LOCAL_F
-  INTEGER :: H5F_SCOPE_GLOBAL_F
-  INTEGER :: H5F_CLOSE_DEFAULT_F
-  INTEGER :: H5F_CLOSE_WEAK_F
-  INTEGER :: H5F_CLOSE_SEMI_F
-  INTEGER :: H5F_CLOSE_STRONG_F
-  INTEGER :: H5F_OBJ_FILE_F
-  INTEGER :: H5F_OBJ_DATASET_F
-  INTEGER :: H5F_OBJ_GROUP_F
-  INTEGER :: H5F_OBJ_DATATYPE_F
-  INTEGER :: H5F_OBJ_ALL_F
-  INTEGER :: H5F_LIBVER_EARLIEST_F
-  INTEGER :: H5F_LIBVER_LATEST_F
-  INTEGER :: H5F_UNLIMITED_F
-  INTEGER :: H5F_LIBVER_ERROR_F
-  INTEGER :: H5F_LIBVER_NBOUNDS_F
-  INTEGER :: H5F_LIBVER_V18_F
-  INTEGER :: H5F_LIBVER_V110_F
-  INTEGER :: H5F_LIBVER_V112_F
-  INTEGER :: H5F_LIBVER_V114_F
+  INTEGER :: H5F_ACC_RDWR_F        !< H5F_ACC_RDWR
+  INTEGER :: H5F_ACC_RDONLY_F      !< H5F_ACC_RDONLY
+  INTEGER :: H5F_ACC_TRUNC_F       !< H5F_ACC_TRUNC
+  INTEGER :: H5F_ACC_EXCL_F        !< H5F_ACC_EXCL
+  INTEGER :: H5F_ACC_DEBUG_F       !< H5F_ACC_DEBUG
+  INTEGER :: H5F_SCOPE_LOCAL_F     !< H5F_SCOPE_LOCAL
+  INTEGER :: H5F_SCOPE_GLOBAL_F    !< H5F_SCOPE_GLOBAL
+  INTEGER :: H5F_CLOSE_DEFAULT_F   !< H5F_CLOSE_DEFAULT
+  INTEGER :: H5F_CLOSE_WEAK_F      !< H5F_CLOSE_WEAK
+  INTEGER :: H5F_CLOSE_SEMI_F      !< H5F_CLOSE_SEMI
+  INTEGER :: H5F_CLOSE_STRONG_F    !< H5F_CLOSE_STRONG
+  INTEGER :: H5F_OBJ_FILE_F        !< H5F_OBJ_FILE
+  INTEGER :: H5F_OBJ_DATASET_F     !< H5F_OBJ_DATASET
+  INTEGER :: H5F_OBJ_GROUP_F       !< H5F_OBJ_GROUP
+  INTEGER :: H5F_OBJ_DATATYPE_F    !< H5F_OBJ_DATATYPE
+  INTEGER :: H5F_OBJ_ALL_F         !< H5F_OBJ_ALL
+  INTEGER :: H5F_LIBVER_EARLIEST_F !< H5F_LIBVER_EARLIEST
+  INTEGER :: H5F_LIBVER_LATEST_F   !< H5F_LIBVER_LATEST
+  INTEGER :: H5F_UNLIMITED_F       !< H5F_UNLIMITED
+  INTEGER :: H5F_LIBVER_ERROR_F    !< H5F_LIBVER_ERROR
+  INTEGER :: H5F_LIBVER_NBOUNDS_F  !< H5F_LIBVER_NBOUNDS
+  INTEGER :: H5F_LIBVER_V18_F      !< H5F_LIBVER_V18
+  INTEGER :: H5F_LIBVER_V110_F     !< H5F_LIBVER_V110
+  INTEGER :: H5F_LIBVER_V112_F     !< H5F_LIBVER_V112
+  INTEGER :: H5F_LIBVER_V114_F     !< H5F_LIBVER_V114
   !
   ! H5G flags declaration
   !
@@ -290,20 +281,20 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5G_STORAGE_TYPE_DENSE_F
   !DEC$endif
 
-  INTEGER :: H5G_UNKNOWN_F
-  INTEGER :: H5G_GROUP_F
-  INTEGER :: H5G_DATASET_F
-  INTEGER :: H5G_TYPE_F
-  INTEGER :: H5G_LINK_F
-  INTEGER :: H5G_UDLINK_F
-  INTEGER :: H5G_SAME_LOC_F
-  INTEGER :: H5G_LINK_ERROR_F
-  INTEGER :: H5G_LINK_HARD_F
-  INTEGER :: H5G_LINK_SOFT_F
-  INTEGER :: H5G_STORAGE_TYPE_UNKNOWN_F
-  INTEGER :: H5G_STORAGE_TYPE_SYMBOL_TABLE_F
-  INTEGER :: H5G_STORAGE_TYPE_COMPACT_F
-  INTEGER :: H5G_STORAGE_TYPE_DENSE_F
+  INTEGER :: H5G_UNKNOWN_F      !< H5G_UNKNOWN
+  INTEGER :: H5G_GROUP_F        !< H5G_GROUP
+  INTEGER :: H5G_DATASET_F      !< H5G_DATASET
+  INTEGER :: H5G_TYPE_F         !< H5G_TYPE
+  INTEGER :: H5G_LINK_F         !< H5G_LINK
+  INTEGER :: H5G_UDLINK_F       !< H5G_UDLINK
+  INTEGER :: H5G_SAME_LOC_F     !< H5G_SAME_LOC
+  INTEGER :: H5G_LINK_ERROR_F   !< H5G_LINK_ERROR
+  INTEGER :: H5G_LINK_HARD_F    !< H5G_LINK_HARD
+  INTEGER :: H5G_LINK_SOFT_F    !< H5G_LINK_SOFT
+  INTEGER :: H5G_STORAGE_TYPE_UNKNOWN_F      !< H5G_STORAGE_TYPE_UNKNOWN
+  INTEGER :: H5G_STORAGE_TYPE_SYMBOL_TABLE_F !< H5G_STORAGE_TYPE_SYMBOL_TABLE
+  INTEGER :: H5G_STORAGE_TYPE_COMPACT_F      !< H5G_STORAGE_TYPE_COMPACT
+  INTEGER :: H5G_STORAGE_TYPE_DENSE_F        !< H5G_STORAGE_TYPE_DENSE
   !
   ! H5D flags declaration
   !
@@ -341,48 +332,48 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5D_VIRTUAL_F
   !DEC$endif
 
-  INTEGER :: H5D_COMPACT_F
-  INTEGER :: H5D_CONTIGUOUS_F
-  INTEGER :: H5D_CHUNKED_F
+  INTEGER :: H5D_COMPACT_F  !< H5D_COMPACT
+  INTEGER :: H5D_CONTIGUOUS_F  !< H5D_CONTIGUOUS
+  INTEGER :: H5D_CHUNKED_F  !< H5D_CHUNKED
 
-  INTEGER :: H5D_ALLOC_TIME_ERROR_F
-  INTEGER :: H5D_ALLOC_TIME_DEFAULT_F
-  INTEGER :: H5D_ALLOC_TIME_EARLY_F
-  INTEGER :: H5D_ALLOC_TIME_LATE_F
-  INTEGER :: H5D_ALLOC_TIME_INCR_F
+  INTEGER :: H5D_ALLOC_TIME_ERROR_F  !< H5D_ALLOC_TIME_ERROR
+  INTEGER :: H5D_ALLOC_TIME_DEFAULT_F  !< H5D_ALLOC_TIME_DEFAULT
+  INTEGER :: H5D_ALLOC_TIME_EARLY_F  !< H5D_ALLOC_TIME_EARLY
+  INTEGER :: H5D_ALLOC_TIME_LATE_F  !< H5D_ALLOC_TIME_LATE
+  INTEGER :: H5D_ALLOC_TIME_INCR_F  !< H5D_ALLOC_TIME_INCR
 
-  INTEGER :: H5D_SPACE_STS_ERROR_F
-  INTEGER :: H5D_SPACE_STS_NOT_ALLOCATED_F
-  INTEGER :: H5D_SPACE_STS_PART_ALLOCATED_F
-  INTEGER :: H5D_SPACE_STS_ALLOCATED_F
+  INTEGER :: H5D_SPACE_STS_ERROR_F  !< H5D_SPACE_STS_ERROR
+  INTEGER :: H5D_SPACE_STS_NOT_ALLOCATED_F  !< H5D_SPACE_STS_NOT_ALLOCATED
+  INTEGER :: H5D_SPACE_STS_PART_ALLOCATED_F  !< H5D_SPACE_STS_PART_ALLOCATED
+  INTEGER :: H5D_SPACE_STS_ALLOCATED_F  !< H5D_SPACE_STS_ALLOCATED
 
-  INTEGER :: H5D_FILL_TIME_ERROR_F
-  INTEGER :: H5D_FILL_TIME_ALLOC_F
-  INTEGER :: H5D_FILL_TIME_NEVER_F
+  INTEGER :: H5D_FILL_TIME_ERROR_F  !< H5D_FILL_TIME_ERROR
+  INTEGER :: H5D_FILL_TIME_ALLOC_F  !< H5D_FILL_TIME_ALLOC
+  INTEGER :: H5D_FILL_TIME_NEVER_F  !< H5D_FILL_TIME_NEVER
 
-  INTEGER :: H5D_FILL_VALUE_ERROR_F
-  INTEGER :: H5D_FILL_VALUE_UNDEFINED_F
-  INTEGER :: H5D_FILL_VALUE_DEFAULT_F
-  INTEGER :: H5D_FILL_VALUE_USER_DEFINED_F
+  INTEGER :: H5D_FILL_VALUE_ERROR_F  !< H5D_FILL_VALUE_ERROR
+  INTEGER :: H5D_FILL_VALUE_UNDEFINED_F  !< H5D_FILL_VALUE_UNDEFINED
+  INTEGER :: H5D_FILL_VALUE_DEFAULT_F  !< H5D_FILL_VALUE_DEFAULT
+  INTEGER :: H5D_FILL_VALUE_USER_DEFINED_F  !< H5D_FILL_VALUE_USER_DEFINED
 
-  ! shortened "_DEFAULT" to "_DFLT" to satisfy the limit of 31
+  ! shortened "_DEFAULT" to "_DFLT" to satisfy the limit of 31 (F95)
   ! characters for variable names in Fortran.
-  ! shortened "_CONTIGUOUS" to "_CONTIG" to satisfy the limit of 31
+  ! shortened "_CONTIGUOUS" to "_CONTIG" to satisfy the limit of 31 (F95)
   ! characters for variable names in Fortran.
 
-  INTEGER(SIZE_T) :: H5D_CHUNK_CACHE_NSLOTS_DFLT_F
-  INTEGER(SIZE_T) :: H5D_CHUNK_CACHE_NBYTES_DFLT_F
-
-  INTEGER :: H5D_CHUNK_CACHE_W0_DFLT_F
-  INTEGER :: H5D_MPIO_NO_COLLECTIVE_F
-  INTEGER :: H5D_MPIO_CHUNK_INDEPENDENT_F
-  INTEGER :: H5D_MPIO_CHUNK_COLLECTIVE_F
-  INTEGER :: H5D_MPIO_CHUNK_MIXED_F
-  INTEGER :: H5D_MPIO_CONTIG_COLLECTIVE_F
-  INTEGER :: H5D_VDS_ERROR_F
-  INTEGER :: H5D_VDS_FIRST_MISSING_F
-  INTEGER :: H5D_VDS_LAST_AVAILABLE_F
-  INTEGER :: H5D_VIRTUAL_F
+  INTEGER(SIZE_T) :: H5D_CHUNK_CACHE_NSLOTS_DFLT_F  !< H5D_CHUNK_CACHE_NSLOTS_DEFAULT
+  INTEGER(SIZE_T) :: H5D_CHUNK_CACHE_NBYTES_DFLT_F  !< H5D_CHUNK_CACHE_NBYTES_DEFAULT
+
+  INTEGER :: H5D_CHUNK_CACHE_W0_DFLT_F    !< H5D_CHUNK_CACHE_W0_DEFAULT
+  INTEGER :: H5D_MPIO_NO_COLLECTIVE_F     !< H5D_MPIO_NO_COLLECTIVE
+  INTEGER :: H5D_MPIO_CHUNK_INDEPENDENT_F !< H5D_MPIO_CHUNK_INDEPENDENT
+  INTEGER :: H5D_MPIO_CHUNK_COLLECTIVE_F  !< H5D_MPIO_CHUNK_COLLECTIVE
+  INTEGER :: H5D_MPIO_CHUNK_MIXED_F       !< H5D_MPIO_CHUNK_MIXED
+  INTEGER :: H5D_MPIO_CONTIG_COLLECTIVE_F !< H5D_MPIO_CONTIGUOUS_COLLECTIVE
+  INTEGER :: H5D_VDS_ERROR_F              !< H5D_VDS_ERROR
+  INTEGER :: H5D_VDS_FIRST_MISSING_F      !< H5D_VDS_FIRST_MISSING
+  INTEGER :: H5D_VDS_LAST_AVAILABLE_F     !< H5D_VDS_LAST_AVAILABLE
+  INTEGER :: H5D_VIRTUAL_F                !< H5D_VIRTUAL
   !
   ! H5E flags declaration
   !
@@ -394,11 +385,11 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5E_WALK_DOWNWARD_F
   !DEC$endif
 
-  INTEGER(HID_T) :: H5E_DEFAULT_F
-  INTEGER :: H5E_MAJOR_F
-  INTEGER :: H5E_MINOR_F
-  INTEGER :: H5E_WALK_UPWARD_F
-  INTEGER :: H5E_WALK_DOWNWARD_F
+  INTEGER(HID_T) :: H5E_DEFAULT_F !< H5E_DEFAULT
+  INTEGER :: H5E_MAJOR_F          !< H5E_MAJOR
+  INTEGER :: H5E_MINOR_F          !< H5E_MINOR
+  INTEGER :: H5E_WALK_UPWARD_F    !< H5E_WALK_UPWARD
+  INTEGER :: H5E_WALK_DOWNWARD_F  !< H5E_WALK_DOWNWARD
   !
   ! H5FD file drivers flags declaration
   !
@@ -423,24 +414,24 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5FD_STDIO_F
   !DEC$endif
 
-  INTEGER :: H5FD_MPIO_INDEPENDENT_F
-  INTEGER :: H5FD_MPIO_COLLECTIVE_F
-  INTEGER :: H5FD_MEM_NOLIST_F
-  INTEGER :: H5FD_MEM_DEFAULT_F
-  INTEGER :: H5FD_MEM_SUPER_F
-  INTEGER :: H5FD_MEM_BTREE_F
-  INTEGER :: H5FD_MEM_DRAW_F
-  INTEGER :: H5FD_MEM_GHEAP_F
-  INTEGER :: H5FD_MEM_LHEAP_F
-  INTEGER :: H5FD_MEM_OHDR_F
-  INTEGER :: H5FD_MEM_NTYPES_F
-  INTEGER(HID_T) :: H5FD_CORE_F
-  INTEGER(HID_T) :: H5FD_FAMILY_F
-  INTEGER(HID_T) :: H5FD_LOG_F
-  INTEGER(HID_T) :: H5FD_MPIO_F
-  INTEGER(HID_T) :: H5FD_MULTI_F
-  INTEGER(HID_T) :: H5FD_SEC2_F
-  INTEGER(HID_T) :: H5FD_STDIO_F
+  INTEGER :: H5FD_MPIO_INDEPENDENT_F !< H5FD_MPIO_INDEPENDENT
+  INTEGER :: H5FD_MPIO_COLLECTIVE_F  !< H5FD_MPIO_COLLECTIVE
+  INTEGER :: H5FD_MEM_NOLIST_F       !< H5FD_MEM_NOLIST
+  INTEGER :: H5FD_MEM_DEFAULT_F      !< H5FD_MEM_DEFAULT
+  INTEGER :: H5FD_MEM_SUPER_F        !< H5FD_MEM_SUPER
+  INTEGER :: H5FD_MEM_BTREE_F        !< H5FD_MEM_BTREE
+  INTEGER :: H5FD_MEM_DRAW_F         !< H5FD_MEM_DRAW
+  INTEGER :: H5FD_MEM_GHEAP_F        !< H5FD_MEM_GHEAP
+  INTEGER :: H5FD_MEM_LHEAP_F        !< H5FD_MEM_LHEAP
+  INTEGER :: H5FD_MEM_OHDR_F         !< H5FD_MEM_OHDR
+  INTEGER :: H5FD_MEM_NTYPES_F       !< H5FD_MEM_NTYPES
+  INTEGER(HID_T) :: H5FD_CORE_F      !< H5FD_CORE
+  INTEGER(HID_T) :: H5FD_FAMILY_F    !< H5FD_FAMILY
+  INTEGER(HID_T) :: H5FD_LOG_F       !< H5FD_LOG
+  INTEGER(HID_T) :: H5FD_MPIO_F      !< H5FD_MPIO
+  INTEGER(HID_T) :: H5FD_MULTI_F     !< H5FD_MULTI
+  INTEGER(HID_T) :: H5FD_SEC2_F      !< H5FD_SEC2
+  INTEGER(HID_T) :: H5FD_STDIO_F     !< H5FD_STDIO
   !
   ! H5I flags declaration
   !
@@ -464,23 +455,23 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5I_INVALID_HID_F
   !DEC$endif
 
-  INTEGER :: H5I_FILE_F
-  INTEGER :: H5I_GROUP_F
-  INTEGER :: H5I_DATATYPE_F
-  INTEGER :: H5I_DATASPACE_F
-  INTEGER :: H5I_DATASET_F
-  INTEGER :: H5I_ATTR_F
-  INTEGER :: H5I_BADID_F
-  INTEGER :: H5I_UNINIT_F
-  INTEGER :: H5I_VFL_F
-  INTEGER :: H5I_VOL_F
-  INTEGER :: H5I_GENPROP_CLS_F
-  INTEGER :: H5I_GENPROP_LST_F
-  INTEGER :: H5I_ERROR_CLASS_F
-  INTEGER :: H5I_ERROR_MSG_F
-  INTEGER :: H5I_ERROR_STACK_F
-  INTEGER :: H5I_NTYPES_F
-  INTEGER :: H5I_INVALID_HID_F
+  INTEGER :: H5I_FILE_F  !< H5I_FILE
+  INTEGER :: H5I_GROUP_F  !< H5I_GROUP
+  INTEGER :: H5I_DATATYPE_F  !< H5I_DATATYPE
+  INTEGER :: H5I_DATASPACE_F  !< H5I_DATASPACE
+  INTEGER :: H5I_DATASET_F  !< H5I_DATASET
+  INTEGER :: H5I_ATTR_F  !< H5I_ATTR
+  INTEGER :: H5I_BADID_F  !< H5I_BADID
+  INTEGER :: H5I_UNINIT_F  !< H5I_UNINIT
+  INTEGER :: H5I_VFL_F  !< H5I_VFL
+  INTEGER :: H5I_VOL_F  !< H5I_VOL
+  INTEGER :: H5I_GENPROP_CLS_F  !< H5I_GENPROP_CLS
+  INTEGER :: H5I_GENPROP_LST_F  !< H5I_GENPROP_LST
+  INTEGER :: H5I_ERROR_CLASS_F  !< H5I_ERROR_CLASS
+  INTEGER :: H5I_ERROR_MSG_F  !< H5I_ERROR_MSG
+  INTEGER :: H5I_ERROR_STACK_F  !< H5I_ERROR_STACK
+  INTEGER :: H5I_NTYPES_F  !< H5I_NTYPES
+  INTEGER :: H5I_INVALID_HID_F  !< H5I_INVALID_HID
 
   !
   ! H5L flags declaration
@@ -494,12 +485,12 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5L_LINK_CLASS_T_VERS_F
   !DEC$endif
 
-  INTEGER :: H5L_TYPE_ERROR_F
-  INTEGER :: H5L_TYPE_HARD_F
-  INTEGER :: H5L_TYPE_SOFT_F
-  INTEGER :: H5L_TYPE_EXTERNAL_F
-  INTEGER :: H5L_SAME_LOC_F
-  INTEGER :: H5L_LINK_CLASS_T_VERS_F
+  INTEGER :: H5L_TYPE_ERROR_F  !< H5L_TYPE_ERROR
+  INTEGER :: H5L_TYPE_HARD_F  !< H5L_TYPE_HARD
+  INTEGER :: H5L_TYPE_SOFT_F  !< H5L_TYPE_SOFT
+  INTEGER :: H5L_TYPE_EXTERNAL_F  !< H5L_TYPE_EXTERNAL
+  INTEGER :: H5L_SAME_LOC_F  !< H5L_SAME_LOC
+  INTEGER :: H5L_LINK_CLASS_T_VERS_F  !< H5L_LINK_CLASS_T_VERS
   !
   ! H5O flags declaration
   !
@@ -539,40 +530,41 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5O_INFO_META_SIZE_F
   !
   !DEC$endif
-
-  INTEGER :: H5O_COPY_SHALLOW_HIERARCHY_F ! *** THESE VARIABLES DO
-  INTEGER :: H5O_COPY_EXPAND_SOFT_LINK_F  ! NOT MATCH THE C VARIABLE
-  INTEGER :: H5O_COPY_EXPAND_EXT_LINK_F   ! IN ORDER
-  INTEGER :: H5O_COPY_EXPAND_REFERENCE_F  ! TO STAY UNDER THE
-  INTEGER :: H5O_COPY_WITHOUT_ATTR_FLAG_F
-  INTEGER :: H5O_COPY_PRESERVE_NULL_FLAG_F
-  INTEGER :: H5O_COPY_ALL_F
-  INTEGER :: H5O_SHMESG_NONE_FLAG_F
-  INTEGER :: H5O_SHMESG_SDSPACE_FLAG_F
-  INTEGER :: H5O_SHMESG_DTYPE_FLAG_F
-  INTEGER :: H5O_SHMESG_FILL_FLAG_F
-  INTEGER :: H5O_SHMESG_PLINE_FLAG_F
-  INTEGER :: H5O_SHMESG_ATTR_FLAG_F
-  INTEGER :: H5O_SHMESG_ALL_FLAG_F
-  INTEGER :: H5O_HDR_CHUNK0_SIZE_F
+  ! *** THESE VARIABLES DO NOT MATCH THE C VARIABLE IN ORDER TO STAY UNDER THE 31 Character Limit (F95) ***
+  INTEGER :: H5O_COPY_SHALLOW_HIERARCHY_F !< H5O_COPY_SHALLOW_HIERARCHY_FLAG
+  INTEGER :: H5O_COPY_EXPAND_SOFT_LINK_F  !< H5O_COPY_EXPAND_SOFT_LINK_FLAG
+  INTEGER :: H5O_COPY_EXPAND_EXT_LINK_F   !< H5O_COPY_EXPAND_EXT_LINK_FLAG
+  INTEGER :: H5O_COPY_EXPAND_REFERENCE_F  !< H5O_COPY_EXPAND_REFERENCE_FLAG
+  !                             ***
+  INTEGER :: H5O_COPY_WITHOUT_ATTR_FLAG_F   !< H5O_COPY_WITHOUT_ATTR_FLAG
+  INTEGER :: H5O_COPY_PRESERVE_NULL_FLAG_F  !< H5O_COPY_PRESERVE_NULL_FLAG
+  INTEGER :: H5O_COPY_ALL_F !< H5O_COPY_ALL
+  INTEGER :: H5O_SHMESG_NONE_FLAG_F  !< H5O_SHMESG_NONE_FLAG
+  INTEGER :: H5O_SHMESG_SDSPACE_FLAG_F  !< H5O_SHMESG_SDSPACE_FLAG
+  INTEGER :: H5O_SHMESG_DTYPE_FLAG_F  !< H5O_SHMESG_DTYPE_FLAG
+  INTEGER :: H5O_SHMESG_FILL_FLAG_F  !< H5O_SHMESG_FILL_FLAG
+  INTEGER :: H5O_SHMESG_PLINE_FLAG_F  !< H5O_SHMESG_PLINE_FLAG
+  INTEGER :: H5O_SHMESG_ATTR_FLAG_F  !< H5O_SHMESG_ATTR_FLAG
+  INTEGER :: H5O_SHMESG_ALL_FLAG_F  !< H5O_SHMESG_ALL_FLAG
+  INTEGER :: H5O_HDR_CHUNK0_SIZE_F  !< H5O_HDR_CHUNK0_SIZE
   INTEGER :: H5O_HDR_ATTR_CRT_ORDER_TRACK_F ! 32 CHARACTER
   INTEGER :: H5O_HDR_ATTR_CRT_ORDER_INDEX_F ! VARIABLE
   INTEGER :: H5O_HDR_ATTR_STORE_PHASE_CHA_F ! LENGTH ***
-  INTEGER :: H5O_HDR_STORE_TIMES_F
-  INTEGER :: H5O_HDR_ALL_FLAGS_F
-  INTEGER :: H5O_SHMESG_MAX_NINDEXES_F
-  INTEGER :: H5O_SHMESG_MAX_LIST_SIZE_F
-  INTEGER :: H5O_TYPE_UNKNOWN_F
-  INTEGER :: H5O_TYPE_GROUP_F
-  INTEGER :: H5O_TYPE_DATASET_F
-  INTEGER :: H5O_TYPE_NAMED_DATATYPE_F
-  INTEGER :: H5O_TYPE_NTYPES_F
-  INTEGER :: H5O_INFO_ALL_F
-  INTEGER :: H5O_INFO_BASIC_F
-  INTEGER :: H5O_INFO_TIME_F
-  INTEGER :: H5O_INFO_NUM_ATTRS_F
-  INTEGER :: H5O_INFO_HDR_F
-  INTEGER :: H5O_INFO_META_SIZE_F
+  INTEGER :: H5O_HDR_STORE_TIMES_F  !< H5O_HDR_STORE_TIMES
+  INTEGER :: H5O_HDR_ALL_FLAGS_F  !< H5O_HDR_ALL_FLAGS
+  INTEGER :: H5O_SHMESG_MAX_NINDEXES_F  !< H5O_SHMESG_MAX_NINDEXES
+  INTEGER :: H5O_SHMESG_MAX_LIST_SIZE_F  !< H5O_SHMESG_MAX_LIST_SIZE
+  INTEGER :: H5O_TYPE_UNKNOWN_F  !< H5O_TYPE_UNKNOWN
+  INTEGER :: H5O_TYPE_GROUP_F  !< H5O_TYPE_GROUP
+  INTEGER :: H5O_TYPE_DATASET_F  !< H5O_TYPE_DATASET
+  INTEGER :: H5O_TYPE_NAMED_DATATYPE_F  !< H5O_TYPE_NAMED_DATATYPE
+  INTEGER :: H5O_TYPE_NTYPES_F  !< H5O_TYPE_NTYPES
+  INTEGER :: H5O_INFO_ALL_F  !< H5O_INFO_ALL
+  INTEGER :: H5O_INFO_BASIC_F  !< H5O_INFO_BASIC
+  INTEGER :: H5O_INFO_TIME_F  !< H5O_INFO_TIME
+  INTEGER :: H5O_INFO_NUM_ATTRS_F  !< H5O_INFO_NUM_ATTRS
+  INTEGER :: H5O_INFO_HDR_F  !< H5O_INFO_HDR
+  INTEGER :: H5O_INFO_META_SIZE_F  !< H5O_INFO_META_SIZE
   !
   ! H5P flags declaration
   !
@@ -599,27 +591,27 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5P_CRT_ORDER_TRACKED_F
   !DEC$endif
 
-  INTEGER(HID_T) :: H5P_FILE_CREATE_F
-  INTEGER(HID_T) :: H5P_FILE_ACCESS_F
-  INTEGER(HID_T) :: H5P_DATASET_CREATE_F
-  INTEGER(HID_T) :: H5P_DATASET_XFER_F
-  INTEGER(HID_T) :: H5P_FILE_MOUNT_F
-  INTEGER(HID_T) :: H5P_DEFAULT_F
-  INTEGER(HID_T) :: H5P_ROOT_F
-  INTEGER(HID_T) :: H5P_OBJECT_CREATE_F
-  INTEGER(HID_T) :: H5P_DATASET_ACCESS_F
-  INTEGER(HID_T) :: H5P_GROUP_CREATE_F
-  INTEGER(HID_T) :: H5P_GROUP_ACCESS_F
-  INTEGER(HID_T) :: H5P_DATATYPE_CREATE_F
-  INTEGER(HID_T) :: H5P_DATATYPE_ACCESS_F
-  INTEGER(HID_T) :: H5P_STRING_CREATE_F
-  INTEGER(HID_T) :: H5P_ATTRIBUTE_CREATE_F
-  INTEGER(HID_T) :: H5P_OBJECT_COPY_F
-  INTEGER(HID_T) :: H5P_LINK_CREATE_F
-  INTEGER(HID_T) :: H5P_LINK_ACCESS_F
-
-  INTEGER :: H5P_CRT_ORDER_INDEXED_F
-  INTEGER :: H5P_CRT_ORDER_TRACKED_F
+  INTEGER(HID_T) :: H5P_FILE_CREATE_F  !< H5P_FILE_CREATE
+  INTEGER(HID_T) :: H5P_FILE_ACCESS_F  !< H5P_FILE_ACCESS
+  INTEGER(HID_T) :: H5P_DATASET_CREATE_F  !< H5P_DATASET_CREATE
+  INTEGER(HID_T) :: H5P_DATASET_XFER_F  !< H5P_DATASET_XFER
+  INTEGER(HID_T) :: H5P_FILE_MOUNT_F  !< H5P_FILE_MOUNT
+  INTEGER(HID_T) :: H5P_DEFAULT_F  !< H5P_DEFAULT
+  INTEGER(HID_T) :: H5P_ROOT_F  !< H5P_ROOT
+  INTEGER(HID_T) :: H5P_OBJECT_CREATE_F  !< H5P_OBJECT_CREATE
+  INTEGER(HID_T) :: H5P_DATASET_ACCESS_F  !< H5P_DATASET_ACCESS
+  INTEGER(HID_T) :: H5P_GROUP_CREATE_F  !< H5P_GROUP_CREATE
+  INTEGER(HID_T) :: H5P_GROUP_ACCESS_F  !< H5P_GROUP_ACCESS
+  INTEGER(HID_T) :: H5P_DATATYPE_CREATE_F  !< H5P_DATATYPE_CREATE
+  INTEGER(HID_T) :: H5P_DATATYPE_ACCESS_F  !< H5P_DATATYPE_ACCESS
+  INTEGER(HID_T) :: H5P_STRING_CREATE_F  !< H5P_STRING_CREATE
+  INTEGER(HID_T) :: H5P_ATTRIBUTE_CREATE_F  !< H5P_ATTRIBUTE_CREATE
+  INTEGER(HID_T) :: H5P_OBJECT_COPY_F  !< H5P_OBJECT_COPY
+  INTEGER(HID_T) :: H5P_LINK_CREATE_F  !< H5P_LINK_CREATE
+  INTEGER(HID_T) :: H5P_LINK_ACCESS_F  !< H5P_LINK_ACCESS
+
+  INTEGER :: H5P_CRT_ORDER_INDEXED_F  !< H5P_CRT_ORDER_INDEXED
+  INTEGER :: H5P_CRT_ORDER_TRACKED_F  !< H5P_CRT_ORDER_TRACKED
   !
   ! H5R flags declaration
   !
@@ -628,8 +620,8 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5R_DATASET_REGION_F
   !DEC$endif
 
-  INTEGER :: H5R_OBJECT_F
-  INTEGER :: H5R_DATASET_REGION_F
+  INTEGER :: H5R_OBJECT_F  !< H5R_OBJECT
+  INTEGER :: H5R_DATASET_REGION_F  !< H5R_DATASET_REGION
   !
   ! H5S flags declaration
   !
@@ -656,30 +648,30 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5S_SEL_ALL_F
   !DEC$endif
 
-  INTEGER(HSIZE_T) :: H5S_UNLIMITED_F
-
-  INTEGER(HID_T) :: H5S_ALL_F
-
-  INTEGER :: H5S_SCALAR_F
-  INTEGER :: H5S_SIMPLE_F
-  INTEGER :: H5S_NULL_F
-
-  INTEGER :: H5S_SELECT_NOOP_F
-  INTEGER :: H5S_SELECT_SET_F
-  INTEGER :: H5S_SELECT_OR_F
-  INTEGER :: H5S_SELECT_AND_F
-  INTEGER :: H5S_SELECT_XOR_F
-  INTEGER :: H5S_SELECT_NOTB_F
-  INTEGER :: H5S_SELECT_NOTA_F
-  INTEGER :: H5S_SELECT_APPEND_F
-  INTEGER :: H5S_SELECT_PREPEND_F
-  INTEGER :: H5S_SELECT_INVALID_F
-
-  INTEGER :: H5S_SEL_ERROR_F
-  INTEGER :: H5S_SEL_NONE_F
-  INTEGER :: H5S_SEL_POINTS_F
-  INTEGER :: H5S_SEL_HYPERSLABS_F
-  INTEGER :: H5S_SEL_ALL_F
+  INTEGER(HSIZE_T) :: H5S_UNLIMITED_F  !< H5S_UNLIMITED
+
+  INTEGER(HID_T) :: H5S_ALL_F  !< H5S_ALL
+
+  INTEGER :: H5S_SCALAR_F  !< H5S_SCALAR
+  INTEGER :: H5S_SIMPLE_F  !< H5S_SIMPLE
+  INTEGER :: H5S_NULL_F  !< H5S_NULL
+
+  INTEGER :: H5S_SELECT_NOOP_F  !< H5S_SELECT_NOOP
+  INTEGER :: H5S_SELECT_SET_F  !< H5S_SELECT_SET
+  INTEGER :: H5S_SELECT_OR_F  !< H5S_SELECT_OR
+  INTEGER :: H5S_SELECT_AND_F  !< H5S_SELECT_AND
+  INTEGER :: H5S_SELECT_XOR_F  !< H5S_SELECT_XOR
+  INTEGER :: H5S_SELECT_NOTB_F  !< H5S_SELECT_NOTB
+  INTEGER :: H5S_SELECT_NOTA_F  !< H5S_SELECT_NOTA
+  INTEGER :: H5S_SELECT_APPEND_F  !< H5S_SELECT_APPEND
+  INTEGER :: H5S_SELECT_PREPEND_F  !< H5S_SELECT_PREPEND
+  INTEGER :: H5S_SELECT_INVALID_F  !< H5S_SELECT_INVALID
+
+  INTEGER :: H5S_SEL_ERROR_F  !< H5S_SEL_ERROR
+  INTEGER :: H5S_SEL_NONE_F  !< H5S_SEL_NONE
+  INTEGER :: H5S_SEL_POINTS_F  !< H5S_SEL_POINTS
+  INTEGER :: H5S_SEL_HYPERSLABS_F  !< H5S_SEL_HYPERSLABS
+  INTEGER :: H5S_SEL_ALL_F  !< H5S_SEL_ALL
   !
   ! H5T flags declaration
   !
@@ -721,41 +713,41 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5T_DIR_DESCEND_F
   !DEC$endif
 
-  INTEGER :: H5T_NO_CLASS_F
-  INTEGER :: H5T_INTEGER_F
-  INTEGER :: H5T_FLOAT_F
-  INTEGER :: H5T_TIME_F
-  INTEGER :: H5T_STRING_F
-  INTEGER :: H5T_BITFIELD_F
-  INTEGER :: H5T_OPAQUE_F
-  INTEGER :: H5T_COMPOUND_F
-  INTEGER :: H5T_REFERENCE_F
-  INTEGER :: H5T_ENUM_F
-  INTEGER :: H5T_VLEN_F
-  INTEGER :: H5T_ARRAY_F
-  INTEGER :: H5T_ORDER_LE_F
-  INTEGER :: H5T_ORDER_BE_F
-  INTEGER :: H5T_ORDER_VAX_F
-  INTEGER :: H5T_ORDER_NONE_F
-  INTEGER :: H5T_ORDER_MIXED_F
-  INTEGER :: H5T_PAD_ZERO_F
-  INTEGER :: H5T_PAD_ONE_F
-  INTEGER :: H5T_PAD_BACKGROUND_F
-  INTEGER :: H5T_PAD_ERROR_F
-  INTEGER :: H5T_SGN_NONE_F
-  INTEGER :: H5T_SGN_2_F
-  INTEGER :: H5T_SGN_ERROR_F
-  INTEGER :: H5T_NORM_IMPLIED_F
-  INTEGER :: H5T_NORM_MSBSET_F
-  INTEGER :: H5T_NORM_NONE_F
-  INTEGER :: H5T_CSET_ASCII_F
-  INTEGER :: H5T_CSET_UTF8_F
-  INTEGER :: H5T_STR_NULLTERM_F
-  INTEGER :: H5T_STR_NULLPAD_F
-  INTEGER :: H5T_STR_SPACEPAD_F
-  INTEGER :: H5T_STR_ERROR_F
-  INTEGER :: H5T_DIR_ASCEND_F
-  INTEGER :: H5T_DIR_DESCEND_F
+  INTEGER :: H5T_NO_CLASS_F  !< H5T_NO_CLASS
+  INTEGER :: H5T_INTEGER_F  !< H5T_INTEGER
+  INTEGER :: H5T_FLOAT_F  !< H5T_FLOAT
+  INTEGER :: H5T_TIME_F  !< H5T_TIME
+  INTEGER :: H5T_STRING_F  !< H5T_STRING
+  INTEGER :: H5T_BITFIELD_F  !< H5T_BITFIELD
+  INTEGER :: H5T_OPAQUE_F  !< H5T_OPAQUE
+  INTEGER :: H5T_COMPOUND_F  !< H5T_COMPOUND
+  INTEGER :: H5T_REFERENCE_F  !< H5T_REFERENCE
+  INTEGER :: H5T_ENUM_F  !< H5T_ENUM
+  INTEGER :: H5T_VLEN_F  !< H5T_VLEN
+  INTEGER :: H5T_ARRAY_F  !< H5T_ARRAY
+  INTEGER :: H5T_ORDER_LE_F  !< H5T_ORDER_LE
+  INTEGER :: H5T_ORDER_BE_F  !< H5T_ORDER_BE
+  INTEGER :: H5T_ORDER_VAX_F  !< H5T_ORDER_VAX
+  INTEGER :: H5T_ORDER_NONE_F  !< H5T_ORDER_NONE
+  INTEGER :: H5T_ORDER_MIXED_F  !< H5T_ORDER_MIXED
+  INTEGER :: H5T_PAD_ZERO_F  !< H5T_PAD_ZERO
+  INTEGER :: H5T_PAD_ONE_F  !< H5T_PAD_ONE
+  INTEGER :: H5T_PAD_BACKGROUND_F  !< H5T_PAD_BACKGROUND
+  INTEGER :: H5T_PAD_ERROR_F  !< H5T_PAD_ERROR
+  INTEGER :: H5T_SGN_NONE_F  !< H5T_SGN_NONE
+  INTEGER :: H5T_SGN_2_F  !< H5T_SGN_2
+  INTEGER :: H5T_SGN_ERROR_F  !< H5T_SGN_ERROR
+  INTEGER :: H5T_NORM_IMPLIED_F  !< H5T_NORM_IMPLIED
+  INTEGER :: H5T_NORM_MSBSET_F  !< H5T_NORM_MSBSET
+  INTEGER :: H5T_NORM_NONE_F  !< H5T_NORM_NONE
+  INTEGER :: H5T_CSET_ASCII_F  !< H5T_CSET_ASCII
+  INTEGER :: H5T_CSET_UTF8_F  !< H5T_CSET_UTF8
+  INTEGER :: H5T_STR_NULLTERM_F  !< H5T_STR_NULLTERM
+  INTEGER :: H5T_STR_NULLPAD_F  !< H5T_STR_NULLPAD
+  INTEGER :: H5T_STR_SPACEPAD_F  !< H5T_STR_SPACEPAD
+  INTEGER :: H5T_STR_ERROR_F  !< H5T_STR_ERROR
+  INTEGER :: H5T_DIR_ASCEND_F  !< H5T_DIR_ASCEND
+  INTEGER :: H5T_DIR_DESCEND_F  !< H5T_DIR_DESCEND
   !
   ! H5Z flags declaration
   !
@@ -782,26 +774,26 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5Z_SO_INT_MINBITS_DEFAULT_F
   !DEC$endif
 
-  INTEGER :: H5Z_FILTER_ERROR_F
-  INTEGER :: H5Z_FILTER_NONE_F
-  INTEGER :: H5Z_FILTER_ALL_F
-  INTEGER :: H5Z_FILTER_DEFLATE_F
-  INTEGER :: H5Z_FILTER_SHUFFLE_F
-  INTEGER :: H5Z_FILTER_FLETCHER32_F
-  INTEGER :: H5Z_FILTER_SZIP_F
-  INTEGER :: H5Z_ERROR_EDC_F
-  INTEGER :: H5Z_DISABLE_EDC_F
-  INTEGER :: H5Z_ENABLE_EDC_F
-  INTEGER :: H5Z_NO_EDC_F
-  INTEGER :: H5Z_FLAG_OPTIONAL_F
-  INTEGER :: H5Z_FILTER_ENCODE_ENABLED_F
-  INTEGER :: H5Z_FILTER_DECODE_ENABLED_F
-  INTEGER :: H5Z_FILTER_NBIT_F
-  INTEGER :: H5Z_FILTER_SCALEOFFSET_F
-  INTEGER :: H5Z_SO_FLOAT_DSCALE_F
-  INTEGER :: H5Z_SO_FLOAT_ESCALE_F
-  INTEGER :: H5Z_SO_INT_F
-  INTEGER :: H5Z_SO_INT_MINBITS_DEFAULT_F
+  INTEGER :: H5Z_FILTER_ERROR_F  !< H5Z_FILTER_ERROR
+  INTEGER :: H5Z_FILTER_NONE_F  !< H5Z_FILTER_NONE
+  INTEGER :: H5Z_FILTER_ALL_F  !< H5Z_FILTER_ALL
+  INTEGER :: H5Z_FILTER_DEFLATE_F  !< H5Z_FILTER_DEFLATE
+  INTEGER :: H5Z_FILTER_SHUFFLE_F  !< H5Z_FILTER_SHUFFLE
+  INTEGER :: H5Z_FILTER_FLETCHER32_F  !< H5Z_FILTER_FLETCHER32
+  INTEGER :: H5Z_FILTER_SZIP_F  !< H5Z_FILTER_SZIP
+  INTEGER :: H5Z_ERROR_EDC_F  !< H5Z_ERROR_EDC
+  INTEGER :: H5Z_DISABLE_EDC_F  !< H5Z_DISABLE_EDC
+  INTEGER :: H5Z_ENABLE_EDC_F  !< H5Z_ENABLE_EDC
+  INTEGER :: H5Z_NO_EDC_F  !< H5Z_NO_EDC
+  INTEGER :: H5Z_FLAG_OPTIONAL_F  !< H5Z_FLAG_OPTIONAL
+  INTEGER :: H5Z_FILTER_ENCODE_ENABLED_F  !< H5Z_FILTER_ENCODE_ENABLED
+  INTEGER :: H5Z_FILTER_DECODE_ENABLED_F  !< H5Z_FILTER_DECODE_ENABLED
+  INTEGER :: H5Z_FILTER_NBIT_F  !< H5Z_FILTER_NBIT
+  INTEGER :: H5Z_FILTER_SCALEOFFSET_F  !< H5Z_FILTER_SCALEOFFSET
+  INTEGER :: H5Z_SO_FLOAT_DSCALE_F  !< H5Z_SO_FLOAT_DSCALE
+  INTEGER :: H5Z_SO_FLOAT_ESCALE_F  !< H5Z_SO_FLOAT_ESCALE
+  INTEGER :: H5Z_SO_INT_F  !< H5Z_SO_INT
+  INTEGER :: H5Z_SO_INT_MINBITS_DEFAULT_F  !< H5Z_SO_INT_MINBITS_DEFAULT
   !
   ! H5 Library flags declaration
   !
@@ -810,98 +802,8 @@ MODULE H5GLOBAL
   !DEC$ATTRIBUTES DLLEXPORT :: H5_SZIP_NN_OM_F
   !DEC$endif
 
-  INTEGER :: H5_SZIP_EC_OM_F
-  INTEGER :: H5_SZIP_NN_OM_F
-
-CONTAINS
-
-  ! Copy a c string to a Fortran string
-
-  SUBROUTINE H5_Fortran_string_c2f(c_string, f_string)
-
-    USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_CHAR, C_NULL_CHAR
-    IMPLICIT NONE
-    CHARACTER(KIND=C_CHAR, LEN=*), INTENT(IN) :: c_string
-    CHARACTER(LEN=*), INTENT(OUT) :: f_string
-    INTEGER(SIZE_T) :: c_len, f_len
-
-    ! Find the length of the C string by locating the null terminator
-    c_len = MAX(INDEX(c_string,C_NULL_CHAR, KIND=SIZE_T)-1_SIZE_T,1_SIZE_T)
-    ! Find the length of the Fortran string
-    f_len = LEN(f_string)
-
-    ! CASE (1): C string is equal to or larger than Fortran character buffer,
-    !           so fill the entire Fortran buffer.
-    IF(c_len.GE.f_len)THEN !
-       f_string(1:f_len) = c_string(1:f_len)
-
-    ! CASE (2): C string is smaller than Fortran character buffer,
-    !           so copy C string and blank pad remaining characters.
-    ELSE
-       f_string(1:c_len) = c_string(1:c_len)
-       f_string(c_len+1:f_len) =' '
-    ENDIF
-  END SUBROUTINE H5_Fortran_string_c2f
-
-  SUBROUTINE H5_Fortran_string_f2c(f_string, c_string)
-
-    USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_CHAR, C_NULL_CHAR
-    IMPLICIT NONE
-    CHARACTER(LEN=*), INTENT(IN) :: f_string
-    CHARACTER(KIND=C_CHAR, LEN=*), INTENT(OUT) :: c_string
-
-    c_string = TRIM(f_string)//C_NULL_CHAR
-
-  END SUBROUTINE H5_Fortran_string_f2c
-
-
-! Copy Fortran string to C character array, assuming the C array is one-char
-! longer for the terminating null char.
-! fstring : the Fortran input string
-! cstring : the C output string (with memory already allocated)
-!!$subroutine MPIR_Fortran_string_f2c(fstring, cstring)
-!!$    implicit none
-!!$    character(len=*), intent(in) :: fstring
-!!$    character(kind=c_char), intent(out) :: cstring(:)
-!!$    integer :: i, j
-!!$    logical :: met_non_blank
-!!$
-!!$    ! Trim the leading and trailing blank characters
-!!$    j = 1
-!!$    met_non_blank = .false.
-!!$    do i = 1, len_trim(fstring)
-!!$        if (met_non_blank) then
-!!$            cstring(j) = fstring(i:i)
-!!$            j = j + 1
-!!$        else if (fstring(i:i) /= ' ') then
-!!$            met_non_blank = .true.
-!!$            cstring(j) = fstring(i:i)
-!!$            j = j + 1
-!!$        end if
-!!$    end do
-!!$
-!!$    cstring(j) = C_NULL_CHAR
-!!$end subroutine MPIR_Fortran_string_f2c
-!!$
-!!$! Copy C character array to Fortran string
-!!$subroutine MPIR_Fortran_string_c2f(cstring, fstring)
-!!$    implicit none
-!!$    character(kind=c_char), intent(in) :: cstring(:)
-!!$    character(len=*), intent(out) :: fstring
-!!$    integer :: i, j, length
-!!$
-!!$    i = 1
-!!$    do while (cstring(i) /= C_NULL_CHAR)
-!!$        fstring(i:i) = cstring(i)
-!!$        i = i + 1
-!!$    end do
-!!$
-!!$    ! Zero out the trailing characters
-!!$    length = len(fstring)
-!!$    do j = i, length
-!!$        fstring(j:j) = ' '
-!!$    end do
-!!$end subroutine MPIR_Fortran_string_c2f
+  INTEGER :: H5_SZIP_EC_OM_F  !< H5_SZIP_EC_OM
+  INTEGER :: H5_SZIP_NN_OM_F  !< H5_SZIP_NN_OM
 
 END MODULE H5GLOBAL