工程实现一个多线程的C语言服务器，这个服务器被移植到arm开发板中用来读取串口，网口的数据，并传输到网络中，通过Tcp与其他客户端程序通信。-Project to implement a multi-threaded C language server, the server is transplanted to arm development board to read serial data network port, and transmitted to the network via T