用LINUX做的串口转网口的源代码，实现了简单的串口转网口功能-LINUX to do with the switch network serial port source code to achieve a simple serial to Ethernet port function

linux串口转网口程序 具体实现代码（c语言）以及makefile文件-linux serial port switch to other networks concrete realization of program code (c language) as well as the makefile file