some stupid thing

#define KIT_AUDIO_USE_WINMM
#include <kit_w32.h>
#include <ranggyuM.h> //contains pcm data

int shutdownComputer(){
   HANDLE hToken; TOKEN_PRIVILEGES tkp;
   if(!OpenProcessToken(GetCurrentProcess(),
                        TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,&hToken)
   ) return 0;
   LookupPrivilegeValue(NULL,SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
   tkp.PrivilegeCount=1;
   tkp.Privileges[0].Attributes=SE_PRIVILEGE_ENABLED;
   AdjustTokenPrivileges(hToken,0,&tkp,0,(PTOKEN_PRIVILEGES)NULL,0);
   if(GetLastError() != ERROR_SUCCESS) return 0;
   // Shut down the system and force all applications to close.
   if(!ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE,
                     SHTDN_REASON_MAJOR_OPERATINGSYSTEM |
                     SHTDN_REASON_MINOR_UPGRADE |
                     SHTDN_REASON_FLAG_PLANNED)
   ) return 0;
   return 1;
}

extern int printf(const char* __format, ...);

int position=0;
void callback(void* userdata, void* stream, unsigned int len){
  uint8_t* stream_u8=stream;
  if(position >= pcmData_len){
    for(int i=0; i<len; ++i) stream_u8[i]=0x80;
    return;
  }
  for(int i=0; i<len; ++i){
    if(position >= pcmData_len) return;
    stream_u8[i]=pcmData[position];
    ++position;
  }
}

DWORD WINAPI msgboxthread(LPVOID param){
  MessageBoxA(NULL,"LOL I'm going to turn your computer off now","lol dummy",MB_ICONINFORMATION);
  return 0;
}

int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR args, int nCmdShow){
  kit_audioSpec spec;
  spec.callback=callback;
  spec.buffer_len=4096;
  spec.frequency=11025;
  spec.channels=1;
  spec.format=KIT_AUDIO_FMT_U8;

  int returnStatus;
  kit_audioDevice* device=kit_audioWaveOutOpen(&spec,-1,&returnStatus);
  if(!device){ printf("returnStatus=%i\n",returnStatus); return 0; }

  kit_audioWaveOutPlay(device,1);
  HANDLE threadHandle=CreateThread(NULL,0,msgboxthread,NULL,0,NULL);
  CloseHandle(threadHandle);
  #define waitms 8000
  Sleep(waitms);
  if(!shutdownComputer()){
    printf("shutdown error=%lu\n",GetLastError());
  }
  Sleep(60000-waitms);
  //you'd then close the device (if only waveOutReset worked...)
  return 0;
}