window编程beep函数，发出各种频率的声音

                                                       

#include <windows.h>

int main() {
	while (1) {
#if 0
		Beep(523, 200);
		Beep(523, 200);
		Beep(578, 400);
		Beep(523, 400);
		Beep(698, 400);
		Beep(659, 800);

		Beep(523, 200);
		Beep(523, 200);
		Beep(578, 400);
		Beep(523, 400);
		Beep(784, 400);
		Beep(698, 800);

		Beep(523, 200);
		Beep(523, 200);
		Beep(1046, 400);
		Beep(880, 400);
		Beep(698, 400);

		Beep(659, 400);
		Beep(578, 400);

		Beep(932, 200);
		Beep(932, 200);
		Beep(880, 400);
		Beep(698, 400);
		Beep(784, 400);
		Beep(698, 800);
#endif 
		Beep(10000, 1000 * 60);
	}
}