NAMESERVER_PORT
_res.nsaddr.sin_port = htons(NAMESERVER_PORT);
_res.nsaddr_list[nserv].sin_port = htons(NAMESERVER_PORT);
ns_sin.sin_port = htons(NAMESERVER_PORT);
ns_sin.sin_port = htons(NAMESERVER_PORT);
arr->addr.sin.sin_port = htons(NAMESERVER_PORT);
arr->addr.sin.sin_port = htons(NAMESERVER_PORT);
u[nserv].sin.sin_port = htons(NAMESERVER_PORT);
u[nserv].sin6.sin6_port = htons(NAMESERVER_PORT);
sprintf(sbuf, "%u", NAMESERVER_PORT);
ns_sin.sin_port = htons(NAMESERVER_PORT);