在win98下对串口数据进行捕获，采用了vxd技术在ring0层对串口实现了Hook操作。-In the under win98 serial data capture, using vxd in ring0 layer serial interface operation of the Hook.

不占用串口的串口数据截获代码。包内包含Commhook.vxd虚拟设备驱动程序-Do not take up a serial port of serial data intercept the code