Chap握手挑战协议的C算法实现移植，在Vc6.0中编译通过。-Chap challenge handshake protocol C algorithm transplantation, compiled by the Vc6.0.

c++builder写的与ublox公司LEA-5系列GPS通信的程序，参照了本站上一位老兄的一些地方，控件用的是spco-c++ builder to write with ublox' s LEA-5 series of GPS communications procedures, refer to the site on an old chap in some parts of the control using a spcomm

UDP和TCP下模拟Chap认证的方式授权接入,然后进入聊天模式-UDP and TCP under simulation Chap certified authorized access, and then enter the chat mode