82 	int ns;  in _confcheck()  local
103 			ns = socket(AF_INET, SOCK_STREAM, 0);  in _confcheck()
106 			if (connect(ns, (struct sockaddr *) &ns_sin,  in _confcheck()
108 				close(ns);  in _confcheck()
112 				close(ns);  in _confcheck()
131 	int try, v_circuit, resplen, ns;  local
165 		for (ns = 0; ns < _res.nscount; ns++) {
169 				ns+1, inet_ntoa(_res.nsaddr_list[ns].sin_addr));
191 					if (connect(s, (struct sockaddr *) &_res.nsaddr_list[ns],
253 						ns--;
344 						(try == 0 && ns == 0)) {
352 						(struct sockaddr *) &_res.nsaddr_list[ns],
383 						(struct sockaddr *) &_res.nsaddr_list[ns],
480 				((_res.options & RES_USEVC) == 0 || ns != 0)) ||