1foo (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}
18