c语言实现电子时钟课程设计

源代码：#include#include#include#include#definePI3.1415926/*定义常量*/#defineUP0x4800/*上移↑键：修改时间*/#defineDOWN0x5000/*下移↓键：修改时间*/#defineESC0x11b/*ESC键：退出系统*/#defineTAB0xf09/*TAB键：移动光标*//*函数声明*/intkeyhandle(int,int);/*键盘按键判断，并调用相关函数处理*/inttimeu