MFC -> Datei Zeile für Zeile nacheinander einlesen, wie am Besten?

	if(!file.Open (m_file, CFile::modeReadWrite))
		return 1;

	int size = file.GetLength();

	char *buffer = (char*) calloc ( size+1, sizeof(char) );				

	file.Read(buffer, size);

	CString buffer_str = buffer;

	free(buffer);

	CString row;
	int cnt_a = 0;
	int cnt_b = 0;
	int z = 0;

while(cnt_a < buffer_str.GetLength())
	{

		while(cnt_a < buffer_str.GetLength() && buffer_str[cnt_a] != '\n')
		{
			row.Insert(z, buffer_str[cnt_a]);

			cnt_a++;
			z++;
		}
		cnt_a++;
		z = 0;

                // row String hier bearbeiten

row.Empty();
}

string str = "myfile.txt";
  
FILE* fptrIn;
  
if (! (fptrIn = fopen (str.c_str(), "r")))
{
  return;  // ggf. Trace, message box, etc.
}
  
char buff [1024];
  
while (fgets (buff, 1023, fptrIn))
{ 
  // entweder parsen mit sscanf
  int x, y;
  if ( 2 == sscanf (buff, "%d, %d", &x, &y))  // z.B.
  {
   
  }
  // oder string intialisieren und weiter verarbeiten
  string blabla (buff);
}

fclose (fptrIn);