pub unsafe extern "C" fn PyUnicode_Fill(
unicode: *mut PyObject,
start: Py_ssize_t,
length: Py_ssize_t,
fill_char: Py_UCS4,
) -> Py_ssize_t
pub unsafe extern "C" fn PyUnicode_Fill(
unicode: *mut PyObject,
start: Py_ssize_t,
length: Py_ssize_t,
fill_char: Py_UCS4,
) -> Py_ssize_t