这是一个实现HDLC协议 很有用很有帮助呵 -good

界面编程，网络编程，其中有禁止网络的编程和服务的编程。有UAC下进程提权的功能和界面显示效果-Interface programming, network programming, which prohibits the programming of the network and service programming. UAC process under the right to mention the functions and interface display