backsound WAVE back.wav
#include <stdio.h>
#include <conio.h>
#include <windows.h>
#include <mmsystem.h>
#pragma comment (lib , "winmm.lib")
int main(void)
{
printf("Playback in progress.\nPress any key to exit...");
PlaySoundA((LPCSTR)"backsound", NULL, SND_RESOURCE | SND_ASYNC);
return 0;
}