我自己写的一个tcp/ip的代码，很短，用的是vc来做模拟调试的，具体的运行是要在mcs51单片机上的，只有一个端口。具体请大家看程序吧！-I wrote it myself a tcp/ip code, in a very short, it was vc do simulation testing, the specific operation is to mcs51 MCU, only one port. Please refer to specific procedures!