时钟的驻留程序，分三部分： tsrdrive.h - 头文件 tsrdrive.cpp- 编译成 .lib boss.cpp- 一个示范程序，驻留后按热键可清屏，然后显示一个 C:\，上班玩游戏-Clock resident program, divided into three parts: tsrdrive.h- headers tsrdrive.cpp- compiled. Lib boss.cpp- a demonstration program, resident can clear the screen and press the hotkey, and then display a C: \, go to work games