Py_ssize_t *start, Py_ssize_t *stop,
Py_ssize_t *step, Py_ssize_t *slicelength);
-#define PySlice_GetIndicesEx(slice, length, start, stop, step, slicelen) ( \
- _PySlice_Unpack((PyObject *)(slice), (start), (stop), (step)) < 0 ? \
- ((*(slicelen) = 0), -1) : \
- ((*(slicelen) = _PySlice_AdjustIndices((length), (start), (stop), *(step))), \
- 0))
PyAPI_FUNC(int) _PySlice_Unpack(PyObject *slice,
Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step);
PyAPI_FUNC(Py_ssize_t) _PySlice_AdjustIndices(Py_ssize_t length,