Function _PyCode_GetExtra 

pub unsafe extern "C" fn _PyCode_GetExtra(
    code: *mut PyObject,
    index: Py_ssize_t,
    extra: *mut *mut c_void,
) -> c_int

👎Deprecated since 0.29.0:

renamed to PyUnstable_Code_GetExtra

Available on neither Py_LIMITED_API nor RustPython.