1  barfoo (a)
       2  {
       3    return (a << 16) & ~0xffff;
       4  }
       5  
       6  foobar (a)
       7  {
       8    return ((unsigned short) a) << 15;}
       9  
      10  foo (a)
      11  {
      12    return (a & 0x121) << 31;
      13  }
      14  
      15  bar (a)
      16  {
      17    return (a & ~0xffff) << 16;
      18  }
      19  
      20  main ()
      21  {
      22    int a;
      23  
      24    for (a = 1;  a; a += a)
      25      {
      26        printf ("%d", (foo (a)));
      27      }
      28    puts ("");
      29  }
      30