当时间到达12:59:59时,代码触发子程序,快速的将指针(或者弧形表盘)倒退并将时间重置到1:00——等着看这一幕总是那么的有趣。
When it becomes 12:59:59. the code triggers a subroutine that quickly runs the hands (or arcs) backward and resets the time to 1:00 - which is always fun to wait for and watch.
在C语言子程序中由于使用了全局变量,或是使用了静态变量,或是使用了指针参数,从而产生副作用。
The side effect of the subprogram is produced by using public variable, or static variable, or pointer parameter in C Program.
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