此程序为s3c44b0+rtl8019的网口通讯程序。程序中实现了arp协议、imcp协议和udp协议的通信！代码经测试完全可靠！-This program is s3c44b0+ rtl8019 of the net mouth communication process. Program implemented arp protocol, imcp protocol and udp protocols of communication! The code has been tested an