184 	if (statp->_u._ext.ext != NULL)  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()  local
461 			    ext->sort_list[nsort].af = AF_INET;  in __res_vinit()
462 			    ext->sort_list[nsort].addr.ina =  in __res_vinit()
464 			    ext->sort_list[nsort].mask.ina.s_addr =  in __res_vinit()
470 			    ext->sort_list[nsort].af = AF_INET6;  in __res_vinit()
471 			    ext->sort_list[nsort].addr.in6a = a6;  in __res_vinit()
472 			    u = (u_char *)&ext->sort_list[nsort].mask.in6a;  in __res_vinit()
587 	struct __res_state_ext *ext = statp->_u._ext.ext;  in res_setoptions()  local
674 			if (ext != NULL) {  in res_setoptions()
675 				ext->reload_period = (u_short)  in res_setoptions()
689 			if (ext == NULL)  in res_setoptions()
692 			i = MIN(strcspn(cp, " \t"), sizeof(ext->nsuffix) - 1);  in res_setoptions()
693 			strncpy(ext->nsuffix, cp, i);  in res_setoptions()
694 			ext->nsuffix[i] = '\0';  in res_setoptions()
697 			if (ext == NULL)  in res_setoptions()
700 			i = MIN(strcspn(cp, " \t"), sizeof(ext->nsuffix2) - 1);  in res_setoptions()
701 			strncpy(ext->nsuffix2, cp, i);  in res_setoptions()
702 			ext->nsuffix2[i] = '\0';  in res_setoptions()
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()
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()