1 files changed, 16 insertions, 0 deletions
diff --git a/Include/methodobject.h b/Include/methodobject.h
index e2ad80440b..79fad8235c 100644
--- a/Include/methodobject.h
+++ b/Include/methodobject.h
@@ -16,6 +16,8 @@ PyAPI_DATA(PyTypeObject) PyCFunction_Type;
 #define PyCFunction_Check(op) (Py_TYPE(op) == &PyCFunction_Type)
 
 typedef PyObject *(*PyCFunction)(PyObject *, PyObject *);
+typedef PyObject *(*_PyCFunctionFast) (PyObject *self, PyObject **args,
+                                       Py_ssize_t nargs, PyObject *kwnames);
 typedef PyObject *(*PyCFunctionWithKeywords)(PyObject *, PyObject *,
                                              PyObject *);
 typedef PyObject *(*PyNoArgsFunction)(PyObject *);
@@ -37,6 +39,18 @@ PyAPI_FUNC(int) PyCFunction_GetFlags(PyObject *);
 #endif
 PyAPI_FUNC(PyObject *) PyCFunction_Call(PyObject *, PyObject *, PyObject *);
 
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(PyObject *) _PyCFunction_FastCallDict(PyObject *func,
+    PyObject **args,
+    Py_ssize_t nargs,
+    PyObject *kwargs);
+
+PyAPI_FUNC(PyObject *) _PyCFunction_FastCallKeywords(PyObject *func,
+    PyObject **stack,
+    Py_ssize_t nargs,
+    PyObject *kwnames);
+#endif
+
 struct PyMethodDef {
     const char  *ml_name;   /* The name of the built-in function/method */
     PyCFunction ml_meth;    /* The C function that implements it */
@@ -72,6 +86,8 @@ PyAPI_FUNC(PyObject *) PyCFunction_NewEx(PyMethodDef *, PyObject *,
 #define METH_COEXIST   0x0040
 
 #ifndef Py_LIMITED_API
+#define METH_FASTCALL  0x0080
+
 typedef struct {
     PyObject_HEAD
     PyMethodDef *m_ml; /* Description of the C function to call */