sa_rawaddr
static void *sa_rawaddr(struct sockaddr *sa, int *nbytes);
if ((p = sa_rawaddr((struct sockaddr *)ssp, &len)) == NULL)
if ((mask = sa_rawaddr(sa, &len)) == NULL)
(p1 = sa_rawaddr(sa1, &len)) == NULL ||
(p2 = sa_rawaddr(sa2, NULL)) == NULL)
(mask = sa_rawaddr(samask, NULL)) == NULL)