Function pyo3_ffi::PySlice_GetIndices

pub unsafe extern "C" fn PySlice_GetIndices(
    r: *mut PyObject,
    length: Py_ssize_t,
    start: *mut Py_ssize_t,
    stop: *mut Py_ssize_t,
    step: *mut Py_ssize_t
) -> c_int