1021 static PyObject *warnoptions = NULL;  variable
1026     if (warnoptions == NULL || !PyList_Check(warnoptions))  in PySys_ResetWarnOptions()
1028     PyList_SetSlice(warnoptions, 0, PyList_GET_SIZE(warnoptions), NULL);  in PySys_ResetWarnOptions()
1036     if (warnoptions == NULL || !PyList_Check(warnoptions)) {  in PySys_AddWarnOption()
1037         Py_XDECREF(warnoptions);  in PySys_AddWarnOption()
1038         warnoptions = PyList_New(0);  in PySys_AddWarnOption()
1039         if (warnoptions == NULL)  in PySys_AddWarnOption()
1044         PyList_Append(warnoptions, str);  in PySys_AddWarnOption()
1052     return (warnoptions != NULL && (PyList_Size(warnoptions) > 0)) ? 1 : 0;  in PySys_HasWarnOptions()
1482     if (warnoptions == NULL) {  in _PySys_Init()
1483         warnoptions = PyList_New(0);  in _PySys_Init()
1486         Py_INCREF(warnoptions);  in _PySys_Init()
1488     if (warnoptions != NULL) {  in _PySys_Init()
1489         PyDict_SetItemString(sysdict, "warnoptions", warnoptions);  in _PySys_Init()