184 	if (statp->_u._ext.ext != NULL)  in __res_vinit()
221 	statp->_u._ext.nscount = 0;  in __res_vinit()
222 	statp->_u._ext.ext = malloc(sizeof(*statp->_u._ext.ext));  in __res_vinit()
223 	if (statp->_u._ext.ext != NULL) {  in __res_vinit()
224 	        memset(statp->_u._ext.ext, 0, sizeof(*statp->_u._ext.ext));  in __res_vinit()
225 		statp->_u._ext.ext->nsaddrs[0].sin = statp->nsaddr;  in __res_vinit()
226 		strcpy(statp->_u._ext.ext->nsuffix, "ip6.arpa");  in __res_vinit()
227 		strcpy(statp->_u._ext.ext->nsuffix2, "ip6.int");  in __res_vinit()
228 		statp->_u._ext.ext->reload_period = 2;  in __res_vinit()
317 	    if (statp->_u._ext.ext != NULL) {  in __res_vinit()
319 		    statp->_u._ext.ext->conf_mtim = sb.st_mtim;  in __res_vinit()
321 			statp->_u._ext.ext->conf_stat = now.tv_sec;  in __res_vinit()
389 		        sizeof(statp->_u._ext.ext->nsaddrs[0]);  in __res_vinit()
403 				if (statp->_u._ext.ext != NULL) {  in __res_vinit()
404 				    memcpy(&statp->_u._ext.ext->nsaddrs[nserv],  in __res_vinit()
426 		    struct __res_state_ext *ext = statp->_u._ext.ext;  in __res_vinit()
587 	struct __res_state_ext *ext = statp->_u._ext.ext;  in res_setoptions()
802 	for (ns = 0; ns < statp->_u._ext.nscount; ns++) {  in res_nclose()
803 		if (statp->_u._ext.nssocks[ns] != -1) {  in res_nclose()
804 			(void) _close(statp->_u._ext.nssocks[ns]);  in res_nclose()
805 			statp->_u._ext.nssocks[ns] = -1;  in res_nclose()
813 	if (statp->_u._ext.ext != NULL) {  in res_ndestroy()
814 		free(statp->_u._ext.ext);  in res_ndestroy()
815 		statp->_u._ext.ext = NULL;  in res_ndestroy()
827 	if (statp->_u._ext.ext)  in res_get_nibblesuffix()
828 		return (statp->_u._ext.ext->nsuffix);  in res_get_nibblesuffix()
834 	if (statp->_u._ext.ext)  in res_get_nibblesuffix2()
835 		return (statp->_u._ext.ext->nsuffix2);  in res_get_nibblesuffix2()
849 	statp->_u._ext.nscount = 0;  in res_setservers()
856 			if (statp->_u._ext.ext)  in res_setservers()
857 				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],  in res_setservers()
870 			if (statp->_u._ext.ext)  in res_setservers()
871 				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],  in res_setservers()
898 		if (statp->_u._ext.ext)  in res_getservers()
899 			family = statp->_u._ext.ext->nsaddrs[i].sin.sin_family;  in res_getservers()
906 			if (statp->_u._ext.ext)  in res_getservers()
908 				       &statp->_u._ext.ext->nsaddrs[i],  in res_getservers()
918 			if (statp->_u._ext.ext)  in res_getservers()
920 				       &statp->_u._ext.ext->nsaddrs[i],  in res_getservers()