194 	if (statp->_u._ext.ext != NULL)  in __res_vinit()
238 	statp->_u._ext.ext = malloc(sizeof(*statp->_u._ext.ext));  in __res_vinit()
239 	if (statp->_u._ext.ext != NULL) {  in __res_vinit()
240 	        memset(statp->_u._ext.ext, 0, sizeof(*statp->_u._ext.ext));  in __res_vinit()
241 		statp->_u._ext.ext->nsaddrs[0].sin = statp->nsaddr;  in __res_vinit()
242 		strcpy(statp->_u._ext.ext->nsuffix, "ip6.arpa");  in __res_vinit()
243 		strcpy(statp->_u._ext.ext->nsuffix2, "ip6.int");  in __res_vinit()
477 		        sizeof(statp->_u._ext.ext->nsaddrs[0]);  in __res_vinit()
491 			    if (statp->_u._ext.ext != NULL) {  in __res_vinit()
492 				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],  in __res_vinit()
613 	if (statp->_u._ext.ext != NULL) {  in __res_vinit()
614 		free(statp->_u._ext.ext);  in __res_vinit()
615 		statp->_u._ext.ext = NULL;  in __res_vinit()
627 	struct __res_state_ext *ext = statp->_u._ext.ext;  in res_setoptions()  local
716 			if (ext == NULL)  in res_setoptions()
719 			i = MIN(strcspn(cp, " \t"), sizeof(ext->nsuffix) - 1);  in res_setoptions()
720 			strncpy(ext->nsuffix, cp, i);  in res_setoptions()
721 			ext->nsuffix[i] = '\0';  in res_setoptions()
724 			if (ext == NULL)  in res_setoptions()
727 			i = MIN(strcspn(cp, " \t"), sizeof(ext->nsuffix2) - 1);  in res_setoptions()
728 			strncpy(ext->nsuffix2, cp, i);  in res_setoptions()
729 			ext->nsuffix2[i] = '\0';  in res_setoptions()
836 	if (statp->_u._ext.ext != NULL)  in res_ndestroy()
837 		free(statp->_u._ext.ext);  in res_ndestroy()
839 	statp->_u._ext.ext = NULL;  in res_ndestroy()
844 	if (statp->_u._ext.ext)  in res_get_nibblesuffix()
845 		return (statp->_u._ext.ext->nsuffix);  in res_get_nibblesuffix()
851 	if (statp->_u._ext.ext)  in res_get_nibblesuffix2()
852 		return (statp->_u._ext.ext->nsuffix2);  in res_get_nibblesuffix2()
872 			if (statp->_u._ext.ext)  in res_setservers()
873 				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],  in res_setservers()
886 			if (statp->_u._ext.ext)  in res_setservers()
887 				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],  in res_setservers()
914 		if (statp->_u._ext.ext)  in res_getservers()
915 			family = statp->_u._ext.ext->nsaddrs[i].sin.sin_family;  in res_getservers()
922 			if (statp->_u._ext.ext)  in res_getservers()
924 				       &statp->_u._ext.ext->nsaddrs[i],  in res_getservers()
934 			if (statp->_u._ext.ext)  in res_getservers()
936 				       &statp->_u._ext.ext->nsaddrs[i],  in res_getservers()