bpo-41985: Add _PyLong_FileDescriptor_Converter and AC converter for "fildes". (GH-22620)
diff --git a/Include/cpython/fileobject.h b/Include/cpython/fileobject.h
index 4f2408c..fb54cab 100644
--- a/Include/cpython/fileobject.h
+++ b/Include/cpython/fileobject.h
@@ -22,3 +22,5 @@
PyAPI_FUNC(PyObject *) PyFile_OpenCode(const char *utf8path);
PyAPI_FUNC(PyObject *) PyFile_OpenCodeObject(PyObject *path);
PyAPI_FUNC(int) PyFile_SetOpenCodeHook(Py_OpenCodeHookFunction hook, void *userData);
+
+PyAPI_FUNC(int) _PyLong_FileDescriptor_Converter(PyObject *, void *);