C语言编写的时钟源程序(上机通过的),可以显示时钟,而且有不同的显示方式,既能按机械表行走，又能按电子表显示时间和日期-C language clock source (on the plane), it shows the clock, but there are different methods, both by mechanical table walking, but also by electronic table shows the time and date! !