Function PyBuffer_Check

python27-sys/src/bufferobject.rs:12–15

(op: *mut PyObject)

#[inline(always)]
pub unsafe fn PyBuffer_Check(op: *mut PyObject) -> c_int {
    let u: *mut PyTypeObject = &mut PyBuffer_Type;
    (Py_TYPE(op) == u) as c_int
}

pub const Py_END_OF_BUFFER: Py_ssize_t = -1;