extern void auth_gsasl_init(auth_instance *);
extern int auth_gsasl_server(auth_instance *, uschar *);
-extern int auth_gsasl_client(auth_instance *, smtp_inblock *,
+extern int auth_gsasl_client(auth_instance *, void *,
int, uschar *, int);
extern void auth_gsasl_version_report(FILE *f);