extern int check_recvdpkt __P((struct sockaddr *,
struct sockaddr *, vchar_t *));
extern int add_recvdpkt __P((struct sockaddr *, struct sockaddr *,
extern int check_recvdpkt __P((struct sockaddr *,
struct sockaddr *, vchar_t *));
extern int add_recvdpkt __P((struct sockaddr *, struct sockaddr *,