103                               PyObject *buffer_callback);
118     PyObject *buffer_callback = Py_None;  in _pickle_Pickler___init__()  local
143     buffer_callback = fastargs[3];  in _pickle_Pickler___init__()
145 …_pickle_Pickler___init___impl((PicklerObject *)self, file, protocol, fix_imports, buffer_callback);  in _pickle_Pickler___init__()
494                   PyObject *buffer_callback);
508     PyObject *buffer_callback = Py_None;  in _pickle_dump()  local
538     buffer_callback = args[4];  in _pickle_dump()
540     return_value = _pickle_dump_impl(module, obj, file, protocol, fix_imports, buffer_callback);  in _pickle_dump()
575                    int fix_imports, PyObject *buffer_callback);
588     PyObject *buffer_callback = Py_None;  in _pickle_dumps()  local
617     buffer_callback = args[3];  in _pickle_dumps()
619     return_value = _pickle_dumps_impl(module, obj, protocol, fix_imports, buffer_callback);  in _pickle_dumps()