1foo (p, a, b)
2     int *p;
3     int a;
4     int b;
5{
6
7  a += p[0];
8  b += p[1];
9  if (a == 0)
10    return b;
11  return a;
12}
13
14
15bar (a)
16{
17  return -a > 0 ? 1 : 2;
18}
19