1 files changed, 7 insertions, 0 deletions
diff --git a/src/H5Apkg.h b/src/H5Apkg.h
index 91061cd..12e0857 100644
--- a/src/H5Apkg.h
+++ b/src/H5Apkg.h
@@ -155,6 +155,13 @@ typedef struct {
     H5A_t       **attrs;        /* Pointer to array of attribute pointers */
 } H5A_attr_table_t;
 
+/* Types for optional attribute VOL operations */
+typedef enum H5VL_attr_optional_t {
+#ifndef H5_NO_DEPRECATED_SYMBOLS
+    H5VL_ATTR_ITERATE_OLD               /* H5Aiterate (deprecated routine) */
+#endif /* H5_NO_DEPRECATED_SYMBOLS */
+} H5VL_attr_optional_t;
+
 
 /*****************************/
 /* Package Private Variables */