DOS环境下图形用户界面支持系统，采用WINDOWS消息响应机制，是DOS下图形界面编程理想的图形包-DOS environment graphical user interface support system, using WINDOWS source response mechanism, under DOS graphics are ideal for graphics programming interface package

linux时钟是嵌入式编程中至关重要的，它与我们熟悉的windows系统时钟存在着差别，这是快速了解学习linux时钟的有效资料。-linux embedded programming clock is vital that we are familiar with windows there is a difference between the system clock, which is quickly learning about linux clock valid data.