bindresvport_sa
int bindresvport_sa(int, struct sockaddr *);
if (bindresvport_sa(s, (struct sockaddr *)&ss) == -1) {
return bindresvport_sa(sd, (struct sockaddr *)sin);
bindresvport_sa(fd, (struct sockaddr *)svcaddr->buf);
int bindresvport_sa(int sd, struct sockaddr *sa);
r = bindresvport_sa(fd, res->ai_addr);
r = bindresvport_sa(fd, res->ai_addr);