/*
 * Extremely simple example of parameter passing, illustrating use
 * of pointer arguments to achieve something like pass by reference.
 */
#include <stdio.h>

/* divide a by b and "return" quotient and remainder */
void divide(int a, int b, int *q, int *r) {
    *q = a/b;
    *r = a%b;
}

/* main program */
int main(void) {
    int qq, rr;
    divide(10, 3, &qq, &rr);
    printf("results %d %d\n", qq, rr);
    divide(11, 4, &qq, &rr);
    printf("results %d %d\n", qq, rr);
    return 0;
}