С++ Определение адреса отзыва

#include <Windows.h>
//#include <afxtempl.h>
//#include <stack>
#pragma comment (lib, "Winmm")
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <iomanip>
#include <climits>
#include <ostream>
using namespace std;


int text_buf_size = 50;
int _SIZE = 16384;
LRESULT FAR PASCAL WndProc (HWND hWnd, UINT msg, WPARAM wParam,
                            LPARAM lParam)
    {
    switch (msg)
    {
        case MM_WIM_DATA:
            cout<<"WORK!"<<endl;
      // A waveform audio data block has been played and can now be
      // freed.
        waveOutUnprepareHeader ((HWAVEOUT)wParam, (LPWAVEHDR)lParam,
                              sizeof (WAVEHDR));
      // Free hData memory
        waveOutClose ((HWAVEOUT)wParam);

      break;
  }

  return DefWindowProc (hWnd, msg, wParam, lParam);
}
static void aps()
{
    int dfghy = 7;
    cout<<"AAAAAAAAAAAAAAA";
}
int main()
{  

   
   
    LPWSTR st = new WCHAR[text_buf_size] ;
    memset(st,0,text_buf_size);
   

    HWAVEOUT m_hOutDev = NULL;
    WAVEHDR *phdrNew = (WAVEHDR *) malloc (sizeof (WAVEHDR)) ;
    memset (phdrNew, 0, sizeof (WAVEHDR)) ;

    MMRESULT mmr ;
    MMRESULT Error_chek ;
    WAVEFORMATEX wfe ;


   
    HANDLE f = CreateFile((L"c:\\1.wav"), GENERIC_READ, NULL, NULL, OPEN_EXISTING, NULL, NULL);
    //BYTE* pBuffer = new BYTE[_SIZE];
    char* pBuffer = new char[_SIZE];
    DWORD rw = 0;
    ReadFile(f, pBuffer, _SIZE, &rw, NULL);

    wfe.nChannels = 1 ;
    wfe.wBitsPerSample = 16 ;
    wfe.nSamplesPerSec = 8000 ;
    wfe.wFormatTag = WAVE_FORMAT_PCM ;
    wfe.nBlockAlign = wfe.nChannels * wfe.wBitsPerSample / 8 ;
    wfe.nAvgBytesPerSec = wfe.nSamplesPerSec * wfe.nBlockAlign ;
    wfe.cbSize = 0 ;


    UINT c = waveOutGetNumDevs();

    cout<<"waveOutOpen:"<<endl;
   

    mmr = waveOutOpen(&m_hOutDev,WAVE_MAPPER,&wfe,(DWORD)WndProc, NULL, CALLBACK_FUNCTION );
   
   
    phdrNew->dwFlags =0;
   
    phdrNew->lpData  = pBuffer;
    phdrNew->dwBufferLength = _SIZE;

    mmr = waveOutPrepareHeader(m_hOutDev,phdrNew  ,sizeof (WAVEHDR));
    if(mmr !=MMSYSERR_NOERROR)
    {
        cout<<"Error"<<endl;
    }
   
    mmr =waveOutWrite(m_hOutDev,phdrNew,sizeof (WAVEHDR));
    Error_chek = waveOutGetErrorText(mmr,st,text_buf_size);
    if(mmr !=MMSYSERR_NOERROR)
    {
        Error_chek = waveOutGetErrorText(mmr,st,text_buf_size);
        cout<<"Error:  ";
        for(int i = 0;i< text_buf_size;i++)
        {
            if(st == 0)
                break;
            wcout<<st;
        }      
        cout<<endl;
        exit(1);
        /*if(mmr !=WAVERR_UNPREPARED)
            cout<<"Error in waveOutWrite: Header not prepeared"<<endl;
        else
            cout<<"Error in waveOutWrite"<<endl;*/
    }
    Sleep(1500);
   
   
    mmr = waveOutUnprepareHeader(m_hOutDev,phdrNew  ,sizeof (WAVEHDR));
    if(mmr !=MMSYSERR_NOERROR)
    {
        cout<<"Error in waveOutUnprepareHeader"<<endl;
    }
   
    mmr =waveOutClose(m_hOutDev);
    if(mmr !=MMSYSERR_NOERROR)
    {
        cout<<"Error in waveOutClose"<<endl;
    }
    Sleep(1000);

}
}