C / C++ : Getting list of all files for given directory

/*
//----------------------------------------------------------------------------
// Getting list of all files for given directory
// Arguments
//   pszDirectoryPath : Directory path
//   pszFiles  : Fill up file names in it
// Return int   : No of files found in given directory
//----------------------------------------------------------------------------*/
int GetFilesNames(const char *pszDirectoryPath, char **pszFiles)
{
 WIN32_FIND_DATA findFileData;
 HANDLE hFind = INVALID_HANDLE_VALUE;
 int nIndex = 0;
 
 hFind = FindFirstFile(pszDirectoryPath, &findFileData);
 if (hFind == INVALID_HANDLE_VALUE) 
 {
  return 0;
 }
 do
 {
 if(!(findFileData.dwFileAttributes &FILE_ATTRIBUTE_DIRECTORY))
 {
  pszFiles[nIndex] = (char *) calloc(BUFFER_SIZE, sizeof(char));
  strcpy(pszFiles[nIndex], findFileData.cFileName);
  //printf("\n===> %s", pszFiles[nIndex]);
  nIndex++;
 }
 } while(FindNextFile(hFind, &findFileData));
 FindClose(hFind);
 return nIndex;
}