Add _PyArg_UnpackStack() function helper

Issue #29286.

1 files changed, 10 insertions, 0 deletions

diff --git a/Include/modsupport.h b/Include/modsupport.h
index e6713e2222..e464a1cad0 100644
--- a/Include/modsupport.h
+++ b/Include/modsupport.h
@@ -47,7 +47,16 @@ PyAPI_FUNC(int) PyArg_UnpackTuple(PyObject *, const char *, Py_ssize_t, Py_ssize
 PyAPI_FUNC(PyObject *) Py_BuildValue(const char *, ...);
 PyAPI_FUNC(PyObject *) _Py_BuildValue_SizeT(const char *, ...);
 #endif
+
 #ifndef Py_LIMITED_API
+PyAPI_FUNC(int) _PyArg_UnpackStack(
+    PyObject **args,
+    Py_ssize_t nargs,
+    const char *name,
+    Py_ssize_t min,
+    Py_ssize_t max,
+    ...);
+
 PyAPI_FUNC(int) _PyArg_NoKeywords(const char *funcname, PyObject *kwargs);
 PyAPI_FUNC(int) _PyArg_NoStackKeywords(const char *funcname, PyObject *kwnames);
 PyAPI_FUNC(int) _PyArg_NoPositional(const char *funcname, PyObject *args);
@@ -56,6 +65,7 @@ PyAPI_FUNC(int) PyArg_VaParse(PyObject *, const char *, va_list);
 PyAPI_FUNC(int) PyArg_VaParseTupleAndKeywords(PyObject *, PyObject *,
                                                   const char *, char **, va_list);
 #endif
+
 PyAPI_FUNC(PyObject *) Py_VaBuildValue(const char *, va_list);
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(PyObject **) _Py_VaBuildStack(