git
1#include <stdio.h>
2
3int func(int num);
4void print_int(int num);
5
6int main() {
7int i;
8
9for (i = 0; i < 10; i++) {
10print_int(func(i));
11}
12
13return 0;
14}
15
16int func(int num) {
17return num * num;
18}
19
20void print_int(int num) {
21printf("%d", num);
22}
23
24