terom@7: cimport libc
terom@7: 
terom@7: cdef extern from "Python.h" :
terom@7:     struct PyObject :
terom@7:         pass
terom@7: 
terom@7:     ## string stuff
terom@7:     int PyObject_AsCharBuffer (object obj, char **buf, libc.ssize_t *len) except -1
terom@7:     
terom@7:     ## except setting
terom@7:     PyObject* PyErr_SetFromErrno (PyObject *type)
terom@7: 
terom@7:     PyObject *PyExc_OSError
terom@7:     
terom@7: # raise OSError with errno
terom@7: # XXX: doesn't do anything with func
terom@7: cdef int raise_errno (char *func) except -1
terom@7: