1int foo (int, int, int);
2int bar (int, int, int);
3
4int main (void)
5{
6  if (foo (5, 10, 21) != 12)
7    abort ();
8
9  if (bar (9, 12, 15) != 150)
10    abort ();
11
12  exit (0);
13}
14
15int foo (int x, int y, int z)
16{
17  return (x + y + z) / 3;
18}
19
20int bar (int x, int y, int z)
21{
22  return foo (x * x, y * y, z * z);
23}
24