1  foo (a, p)
       2       int *p;
       3  {
       4    int old, new, i;
       5  
       6    old = 0;
       7    for (i = 1; i < 100; i++)
       8      {
       9        new = p[i];
      10        if (new < old)
      11  	a++;
      12        old = new;
      13        if (old == 0)
      14  	return 0;
      15      }
      16    return a;
      17  }