cdef extern from "Python.h":
ctypedef void PyObject
#####################################################################
# 5.5 Parsing arguments and building values
#####################################################################
ctypedef struct va_list
int PyArg_ParseTuple(PyObject *args, char *format, ...)
int PyArg_VaParse(PyObject *args, char *format, va_list vargs)
int PyArg_ParseTupleAndKeywords(PyObject *args, PyObject *kw, char *format, char *keywords[], ...)
int PyArg_VaParseTupleAndKeywords(PyObject *args, PyObject *kw, char *format, char *keywords[], va_list vargs)
int PyArg_Parse(PyObject *args, char *format, ...)
int PyArg_UnpackTuple(PyObject *args, char *name, Py_ssize_t min, Py_ssize_t max, ...)
