20010723-1.c

this is a gcc file, you can download it and learn its usetility, for further detail please look at t

int
test ()
{
  int biv,giv;
  for (biv = 0, giv = 0; giv != 8; biv++)
      giv = biv*8;
  return giv;
}


main()
{
  if (test () != 8)
    abort ();
  exit (0);
}