setbindhost
if (setbindhost(&ai_udp, bindhost[i], hints) == 0) {
if (setbindhost(&ai_udp6, bindhost[i], hints) == 0) {
if (setbindhost(&ai_tcp, bindhost[i], hints) == 0) {
if (setbindhost(&ai_tcp6, bindhost[i], hints) == 0) {
int setbindhost(struct addrinfo **ia, const char *bindhost,