1  /* PR 21105 */
       2  
       3  void
       4  CheckFile ()
       5  {
       6    char tagname[10];
       7    char *a = tagname;
       8  
       9    int validate ()
      10    {
      11      return (a == tagname + 4);
      12    }
      13  
      14    if (a == tagname)
      15      validate ();
      16  }