1  foo(int *bar)
       2  {
       3    *bar = 8;
       4  }
       5  
       6  bugger()
       7  {
       8    int oldDepth, newDepth;
       9  
      10    foo(&oldDepth);
      11  
      12    switch (oldDepth)
      13      {
      14      case 8:
      15      case 500:
      16        newDepth = 8;
      17        break;
      18  
      19      case 5000:
      20        newDepth = 500;
      21        break;
      22  
      23      default:
      24        newDepth = 17;
      25        break;
      26      }
      27  
      28    return newDepth - oldDepth;
      29  }
      30  
      31  main()
      32  {
      33    if (bugger() != 0)
      34      abort ();
      35    exit (0);
      36  }