host = (zk_host != NULL) ? zk_host : ZOOKEEPER_DEF_HOST;
port = (zk_port != NULL) ? zk_port : ZOOKEEPER_DEF_PORT;
status = getaddrinfo (host, port, &ai_hints, &ai_list);
host = (zk_host != NULL) ? zk_host : ZOOKEEPER_DEF_HOST;
port = (zk_port != NULL) ? zk_port : ZOOKEEPER_DEF_PORT;
status = getaddrinfo (host, port, &ai_hints, &ai_list);