```
include
include
include
define PI 3.141592654
void Draw_Dial();
void Draw_Hand(int hour, int minute, int secend);
int main()
{
initgraph(640, 480);
Draw_Dial();
setwritemode(R2_XORPEN);
SYSTEMTIME time;
while (!_kbhit())
{
GetLocalTime(&time);
Draw_Hand(time.wHour, time.wMinute, time.wSecond);
Sleep(1000);
Draw_Hand(time.wHour, time.wMinute, time.wSecond);
}