void notify __P((struct notifier *, int));
int ppp_send_config __P((int, int, u_int32_t, int, int));
int ppp_recv_config __P((int, int, u_int32_t, int, int));
void notify __P((struct notifier *, int));
int ppp_send_config __P((int, int, u_int32_t, int, int));
int ppp_recv_config __P((int, int, u_int32_t, int, int));