37     if (interp->codec_search_path == NULL && _PyCodecRegistry_Init())  in PyCodec_Register()
47     return PyList_Append(interp->codec_search_path, search_function);  in PyCodec_Register()
57     PyObject *codec_search_path = interp->codec_search_path;  in PyCodec_Unregister()  local
59     if (codec_search_path == NULL) {  in PyCodec_Unregister()
63     assert(PyList_CheckExact(codec_search_path));  in PyCodec_Unregister()
64     Py_ssize_t n = PyList_GET_SIZE(codec_search_path);  in PyCodec_Unregister()
66         PyObject *item = PyList_GET_ITEM(codec_search_path, i);  in PyCodec_Unregister()
72             return PyList_SetSlice(codec_search_path, i, i+1, NULL);  in PyCodec_Unregister()
134     if (interp->codec_search_path == NULL && _PyCodecRegistry_Init()) {  in _PyCodec_Lookup()
159     const Py_ssize_t len = PyList_Size(interp->codec_search_path);  in _PyCodec_Lookup()
173         func = PyList_GetItem(interp->codec_search_path, i);  in _PyCodec_Lookup()
625     if (interp->codec_search_path == NULL && _PyCodecRegistry_Init())  in PyCodec_RegisterError()
643     if (interp->codec_search_path == NULL && _PyCodecRegistry_Init())  in PyCodec_LookupError()
1498     if (interp->codec_search_path != NULL)  in _PyCodecRegistry_Init()
1501     interp->codec_search_path = PyList_New(0);  in _PyCodecRegistry_Init()
1502     if (interp->codec_search_path == NULL) {  in _PyCodecRegistry_Init()