20030120-2.c

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

/* PR 8848 */

extern void abort ();

int foo(int status)
{
  int s = 0;
  if (status == 1) s=1;
  if (status == 3) s=3;
  if (status == 4) s=4;
  return s;
}

int main()
{
  if (foo (3) != 3)
    abort ();
  return 0;
}