1  enum bar
       2  {
       3    one,
       4    two
       5  };
       6  
       7  enum bar foo;
       8  
       9  void bar()
      10  {
      11    switch (foo)
      12    {
      13      case one:
      14      case two:
      15        printf ("one to two\n");
      16      break;
      17    }
      18  }