960402-1.c

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

f (signed long long int x)
{
  return x > 0xFFFFFFFFLL || x < -0x80000000LL;
}

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