基于DOS下的C语言串口开发封装库，非常好用，引用lib文件后一个头文件后，狠轻易的实现串口232的通讯，完成数据的收发-DOS-based C language under development package serial library, very easy to use, to use a lib file the first document, easily make the realization of the 232 serial communications, the completion of data to send and receive! !