Поиск файлов на локальном компьютере

int _tmain(int argc, TCHAR *argv[])
{
    FSearch(TEXT("E:"));
    return 0;
}

DWORD FSearch(TCHAR* pstr)
{
   WIN32_FIND_DATA ffd;
   LARGE_INTEGER filesize;
   TCHAR szDir[MAX_PATH];
   size_t length_of_arg;
   HANDLE hFind = INVALID_HANDLE_VALUE;
   DWORD dwError=0;
   
   // Prepare string for use with FindFile functions.  First, copy the
   // string to a buffer, then append '\*' to the directory name.
   StringCchCopy(szDir, MAX_PATH, pstr );
   StringCchCat(szDir, MAX_PATH, TEXT("\\*"));
   _tprintf(TEXT("\nTarget directory is %s\n"), szDir );
 
   // Find the first file in the directory.
 
   hFind = FindFirstFile(szDir, &ffd);
 
   if (INVALID_HANDLE_VALUE == hFind) 
   {
      //DisplayErrorBox(TEXT("FindFirstFile"));
      return dwError;
   } 
   
   // List all the files in the directory with some info about them.
   do
   {
      if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
      {
         _tprintf(TEXT("\n  %s   <DIR>"), ffd.cFileName);
        TCHAR ndir[MAX_PATH];
         StringCchCopy(ndir, sizeof(szDir), szDir );
         StringCchCat( ndir, MAX_PATH/* - sizeof(ffd.cFileName)*/, ffd.cFileName);
         StringCchCat(ndir, MAX_PATH, TEXT("\\*"));
         FSearch(ndir);
      }
      else
      {
         filesize.LowPart = ffd.nFileSizeLow;
         filesize.HighPart = ffd.nFileSizeHigh;
         _tprintf(TEXT("\n  %s   %ld bytes\n"), ffd.cFileName, filesize.QuadPart);
      }
   }
   while (FindNextFile(hFind, &ffd) != 0);
 
   dwError = GetLastError();
   if (dwError != ERROR_NO_MORE_FILES) 
   {
      //DisplayErrorBox(TEXT("FindFirstFile"));
   }
 
   FindClose(hFind);
   return dwError;
   //return true;
}