#include <stdio.h>

void print_array(int q[], int size) {
    // q is a pointer constant.

    int i;

    for (i = 0; i < size; i++) {
        printf("%d ", q[i]);
    }
}

int main() {
    int a[] = {10, 20, 30, 40};
    print_array(a, 4);

    return 0;
}