As a communication software, Wechat can use Internet connection to perform a voice message and SMS function.
通信软件，微信可以使用互联网连接来执行一个语音信息和短信功能。
According to function layering, data stream and communication message sorting, separation of application and communication, the principle of this design thought was elaborated in detail.
通过功能分层、数据流和通信报文分类、应用与通信分离几个方面详细阐述了该设计思想的原理和思路。
The whole system is divided into three modules: Hook function module, message dealing-with module and net communication module.
系统分为三大模块：钩子函数模块、网络通信模块和消息处理模块。
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