sa_lookup_by_peer
while ((sa = sa_lookup_by_peer(dst, SA_LEN(dst), 0)) != 0) {
extern struct sa *sa_lookup_by_peer(struct sockaddr *, socklen_t, int);
while ((sa = sa_lookup_by_peer((struct sockaddr *)&addr,
while ((sa = sa_lookup_by_peer((struct sockaddr *)&addr6,