134 #define EXT(res) ((res)->_u._ext)  macro
241 		if (EXT(statp).ext == NULL)  in res_ourserver_p()
393 	if (EXT(statp).nscount != 0) {  in res_nsend()
398 		if (EXT(statp).nscount != statp->nscount) {  in res_nsend()
404 					     (struct sockaddr *)(void *)&EXT(statp).ext->nsaddrs[ns])) {  in res_nsend()
409 				if (EXT(statp).nssocks[ns] == -1)  in res_nsend()
412 				if (getpeername(EXT(statp).nssocks[ns],  in res_nsend()
426 			EXT(statp).nscount = 0;  in res_nsend()
433 	if (EXT(statp).nscount == 0) {  in res_nsend()
435 			EXT(statp).nstimes[ns] = RES_MAXTIME;  in res_nsend()
436 			EXT(statp).nssocks[ns] = -1;  in res_nsend()
439 			EXT(statp).ext->nsaddrs[ns].sin =  in res_nsend()
442 		EXT(statp).nscount = statp->nscount;  in res_nsend()
457 		if (EXT(statp).ext != NULL)  in res_nsend()
458 			inu = EXT(statp).ext->nsaddrs[0];  in res_nsend()
460 		fd = EXT(statp).nssocks[0];  in res_nsend()
461 		nstime = EXT(statp).nstimes[0];  in res_nsend()
463 			if (EXT(statp).ext != NULL)  in res_nsend()
464 				EXT(statp).ext->nsaddrs[ns] =  in res_nsend()
465 					EXT(statp).ext->nsaddrs[ns + 1];  in res_nsend()
467 			EXT(statp).nssocks[ns] = EXT(statp).nssocks[ns + 1];  in res_nsend()
468 			EXT(statp).nstimes[ns] = EXT(statp).nstimes[ns + 1];  in res_nsend()
470 		if (EXT(statp).ext != NULL)  in res_nsend()
471 			EXT(statp).ext->nsaddrs[lastns] = inu;  in res_nsend()
473 		EXT(statp).nssocks[lastns] = fd;  in res_nsend()
474 		EXT(statp).nstimes[lastns] = nstime;  in res_nsend()
707 	if (!statp->nsaddr_list[n].sin_family && EXT(statp).ext) {  in get_nsaddr()
713 		return (struct sockaddr *)(void *)&EXT(statp).ext->nsaddrs[n];  in get_nsaddr()
1088 	if (EXT(statp).nssocks[ns] == -1) {  in send_dg()
1089 		EXT(statp).nssocks[ns] = socket(nsap->sa_family, SOCK_DGRAM | SOCK_CLOEXEC, 0);  in send_dg()
1090 		if (EXT(statp).nssocks[ns] < 0) {  in send_dg()
1106 		fchown(EXT(statp).nssocks[ns], AID_DNS, -1);  in send_dg()
1108 			if (setsockopt(EXT(statp).nssocks[ns], SOL_SOCKET,  in send_dg()
1126 		if (random_bind(EXT(statp).nssocks[ns], nsap->sa_family) < 0) {  in send_dg()
1132 		if (__connect(EXT(statp).nssocks[ns], nsap, (socklen_t)nsaplen) < 0) {  in send_dg()
1143 	s = EXT(statp).nssocks[ns];  in send_dg()