1  f (cp, end)
       2       char *cp;
       3       char *end;
       4  {
       5    return (cp < end);
       6  }
       7  
       8  main ()
       9  {
      10    if (! f ((char *) 0, (char *) 1))
      11      abort();
      12    exit (0);
      13  }