acl 框架库是一个 C 库，主要包含：服务器开发框架、同步/异步网络通讯、常用数据结构、进程池/线程池、流式 xml/json 解析器、http/ping 应用协议等内容-Acl framework library is a library of C, mainly include: server development framework, synchronous/asynchronous network communication, the common data structure, process/thread pool, pool streaming XML/json parser, HTTP/ping application protocol, etc