get_nsaddr
static struct sockaddr * get_nsaddr(res_state, size_t);
srv = (struct sockaddr_in *)(void *)get_nsaddr(statp, (size_t)ns);
srv6 = (struct sockaddr_in6 *)(void *)get_nsaddr(statp, (size_t)ns);
get_nsaddr(statp, (size_t)ns))) {
nsap = get_nsaddr(statp, (size_t)ns);
nsap = get_nsaddr(statp, (size_t)ns);
nsap = get_nsaddr(statp, (size_t)ns);