extern int convgf(PyObject *, void *);
extern PyObject *mp_pywrap(mp *);
extern PyObject *gf_pywrap(mp *);
-extern long mphash(mp *);
+extern Py_hash_t mphash(mp *);
extern mp *mp_frompyobject(PyObject *, int);
extern PyObject *mp_topystring(mp *, int,
const char *, const char *, const char *);