diff --git a/Include/funcobject.h b/Include/funcobject.h
index 877faff..d33cad7 100644
--- a/Include/funcobject.h
+++ b/Include/funcobject.h
@@ -47,8 +47,8 @@
 extern PyObject *PyFunction_New Py_PROTO((PyObject *, PyObject *));
 extern PyObject *PyFunction_GetCode Py_PROTO((PyObject *));
 extern PyObject *PyFunction_GetGlobals Py_PROTO((PyObject *));
-extern PyObject *getfuncargstuff Py_PROTO((PyObject *, int *));
-extern int     setfuncargstuff Py_PROTO((PyObject *, int, PyObject *));
+extern PyObject *PyFunction_GetArgStuff Py_PROTO((PyObject *, int *));
+extern int PyFunction_SetArgStuff Py_PROTO((PyObject *, int, PyObject *));
 
 #ifdef __cplusplus
 }