sacmp
if (!sacmp(ai->ai_addr, saddr, NULL)) {
if (!sacmp(saddr, (struct sockaddr *)
if (sacmp(tai->ai_addr, ai->ai_addr, NULL) != 0)
int sacmp(struct sockaddr *sa1, struct sockaddr *sa2,
if (sacmp(ai->ai_addr, aip->ai_addr) == 0)
int sacmp (struct sockaddr *, struct sockaddr *);