gh-114626: add PyCFunctionFast and PyCFunctionFastWithKeywords (GH-114627)

Co-authored-by: Petr Viktorin <encukou@gmail.com>

2 files changed, 13 insertions, 11 deletions

diff --git a/Doc/c-api/structures.rst b/Doc/c-api/structures.rst
index 77f2b69..e2943f1 100644
--- a/Doc/c-api/structures.rst
+++ b/Doc/c-api/structures.rst
@@ -187,26 +187,26 @@ Implementing functions and methods
                                         PyObject *kwargs);
 
 
-.. c:type:: _PyCFunctionFast
+.. c:type:: PyCFunctionFast
 
    Type of the functions used to implement Python callables in C
    with signature :c:macro:`METH_FASTCALL`.
    The function signature is::
 
-      PyObject *_PyCFunctionFast(PyObject *self,
-                                 PyObject *const *args,
-                                 Py_ssize_t nargs);
+      PyObject *PyCFunctionFast(PyObject *self,
+                                PyObject *const *args,
+                                Py_ssize_t nargs);
 
-.. c:type:: _PyCFunctionFastWithKeywords
+.. c:type:: PyCFunctionFastWithKeywords
 
    Type of the functions used to implement Python callables in C
    with signature :ref:`METH_FASTCALL | METH_KEYWORDS <METH_FASTCALL-METH_KEYWORDS>`.
    The function signature is::
 
-      PyObject *_PyCFunctionFastWithKeywords(PyObject *self,
-                                             PyObject *const *args,
-                                             Py_ssize_t nargs,
-                                             PyObject *kwnames);
+      PyObject *PyCFunctionFastWithKeywords(PyObject *self,
+                                            PyObject *const *args,
+                                            Py_ssize_t nargs,
+                                            PyObject *kwnames);
 
 .. c:type:: PyCMethod
 
@@ -290,7 +290,7 @@ There are these calling conventions:
 .. c:macro:: METH_FASTCALL
 
    Fast calling convention supporting only positional arguments.
-   The methods have the type :c:type:`_PyCFunctionFast`.
+   The methods have the type :c:type:`PyCFunctionFast`.
    The first parameter is *self*, the second parameter is a C array
    of :c:expr:`PyObject*` values indicating the arguments and the third
    parameter is the number of arguments (the length of the array).
@@ -306,7 +306,7 @@ There are these calling conventions:
 
 :c:expr:`METH_FASTCALL | METH_KEYWORDS`
    Extension of :c:macro:`METH_FASTCALL` supporting also keyword arguments,
-   with methods of type :c:type:`_PyCFunctionFastWithKeywords`.
+   with methods of type :c:type:`PyCFunctionFastWithKeywords`.
    Keyword arguments are passed the same way as in the
    :ref:`vectorcall protocol <vectorcall>`:
    there is an additional fourth :c:expr:`PyObject*` parameter
diff --git a/Doc/data/stable_abi.dat b/Doc/data/stable_abi.dat
index def1903..25629b4 100644
--- a/Doc/data/stable_abi.dat
+++ b/Doc/data/stable_abi.dat
@@ -42,6 +42,8 @@ function,PyBytes_Repr,3.2,,
 function,PyBytes_Size,3.2,,
 var,PyBytes_Type,3.2,,
 type,PyCFunction,3.2,,
+type,PyCFunctionFast,3.13,,
+type,PyCFunctionFastWithKeywords,3.13,,
 type,PyCFunctionWithKeywords,3.2,,
 function,PyCFunction_GetFlags,3.2,,
 function,PyCFunction_GetFunction,3.2,,