1  int bar = 0;
       2  
       3  f (p)
       4       int *p;
       5  {
       6    int foo = 2;
       7  
       8    while (foo > bar)
       9      {
      10        foo -=  bar;
      11        *p++ = foo;
      12        bar = 1;
      13      }
      14  }
      15  
      16  main ()
      17  {
      18    int tab[2];
      19    tab[0] = tab[1] = 0;
      20    f (tab);
      21    if (tab[0] != 2 || tab[1] != 1)
      22      abort ();
      23    exit (0);
      24  }