1  foo (a)
       2  {
       3    do
       4      {
       5        puts ("a");
       6        a -= 1;
       7      }
       8    while (a != 0);
       9  }
      10  
      11  main ()
      12  {
      13    int p[100];
      14    printf ("%d\n", foo (3));
      15  }