6 void some_external_function(data a, data b, data c);
7 int func_three(data jane, data hello, data world);
9 int func_one(data foo, data bar, data buz)
11 return func_three(foo, bar, buz);
14 int func_two(data john, data doe, data biz)
16 some_external_function(john, doe, biz);
21 int func_three(data jane, data hello, data world)
23 return func_two(jane, hello, world);