unix读写操作封装，文件描述符，包括socket，pipe，按字数操作-unix read and write operations package, file descr iptors, including the socket, pipe, by the word operation

unix管道操作封装，socket等文件操作模拟管道进行操作-unix pipeline operations package, socket file operations such as simulation pipeline operation

此源码主要运行在Linux、Unix平台上，功能是实现Socket之间通信。谢谢大家-This source code is mainly runs on Linux, Unix platform, function is communication between Socket. Thank you! ! !