1  foo (p)
       2       int *p;
       3  {
       4    return (*p & 255) == 0;
       5  }
       6  
       7  bar (a)
       8  {
       9    return (a & 0xfff00000) == 0;
      10  }
      11  
      12  main ()
      13  {
      14    printf ("%d%d\n", bar (-1), bar(0));
      15  }