1  struct s {
       2    char text[11];
       3    int flag;
       4  } cell;
       5  
       6  int
       7  check (struct s p)
       8  {
       9    if (p.flag != 99)
      10      return 1;
      11    return strcmp (p.text, "0123456789");
      12  }
      13  
      14  main ()
      15  {
      16    cell.flag = 99;
      17    strcpy (cell.text, "0123456789");
      18  
      19    if (check (cell))
      20      abort();
      21    exit (0);
      22  }