225 	statp->_u._ext.ext = malloc(sizeof(*statp->_u._ext.ext));  in __res_vinit()
226 	if (statp->_u._ext.ext != NULL) {  in __res_vinit()
227 	        memset(statp->_u._ext.ext, 0, sizeof(*statp->_u._ext.ext));  in __res_vinit()
228 		statp->_u._ext.ext->nsaddrs[0].sin = statp->nsaddr;  in __res_vinit()
229 		strcpy(statp->_u._ext.ext->nsuffix, "ip6.arpa");  in __res_vinit()
230 		strcpy(statp->_u._ext.ext->nsuffix2, "ip6.int");  in __res_vinit()
345 		        sizeof(statp->_u._ext.ext->nsaddrs[0]);  in __res_vinit()
359 			    if (statp->_u._ext.ext != NULL) {  in __res_vinit()
360 				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],  in __res_vinit()
485 	struct __res_state_ext *ext = statp->_u._ext.ext;  in res_setoptions()  local
558 			if (ext == NULL)  in res_setoptions()
561 			i = MIN(strcspn(cp, " \t"), sizeof(ext->nsuffix) - 1);  in res_setoptions()
562 			strncpy(ext->nsuffix, cp, (size_t)i);  in res_setoptions()
563 			ext->nsuffix[i] = '\0';  in res_setoptions()
566 			if (ext == NULL)  in res_setoptions()
569 			i = MIN(strcspn(cp, " \t"), sizeof(ext->nsuffix2) - 1);  in res_setoptions()
570 			strncpy(ext->nsuffix2, cp, (size_t)i);  in res_setoptions()
571 			ext->nsuffix2[i] = '\0';  in res_setoptions()
676 	if (statp->_u._ext.ext != NULL)  in res_ndestroy()
677 		free(statp->_u._ext.ext);  in res_ndestroy()
679 	statp->_u._ext.ext = NULL;  in res_ndestroy()
684 	if (statp->_u._ext.ext)  in res_get_nibblesuffix()
685 		return (statp->_u._ext.ext->nsuffix);  in res_get_nibblesuffix()
691 	if (statp->_u._ext.ext)  in res_get_nibblesuffix2()
692 		return (statp->_u._ext.ext->nsuffix2);  in res_get_nibblesuffix2()
712 			if (statp->_u._ext.ext)  in res_setservers()
713 				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],  in res_setservers()
728 			if (statp->_u._ext.ext)  in res_setservers()
729 				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],  in res_setservers()
756 		if (statp->_u._ext.ext)  in res_getservers()
757 			family = statp->_u._ext.ext->nsaddrs[i].sin.sin_family;  in res_getservers()
764 			if (statp->_u._ext.ext)  in res_getservers()
766 				       &statp->_u._ext.ext->nsaddrs[i],  in res_getservers()
776 			if (statp->_u._ext.ext)  in res_getservers()
778 				       &statp->_u._ext.ext->nsaddrs[i],  in res_getservers()