1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

// SWAP FUNCTION

void swap(int* a_lhs, int* a_rhs) {
    int lhs = *a_lhs;
    int rhs = *a_rhs;

    *a_lhs = rhs;  // Store (value) rhs at (address) a_lhs.
    *a_rhs = lhs;  // Store (value) lhs at (address) a_rhs.
}

int main(int argc, char* argv[]) {
    int n1 =   3;
    int n2 = 100;
    printf("n1 == %d    n2 == %d\n", n1, n2);
    swap(&n1, &n2);
    printf("We called swap(&n1, &n2)\n");
    printf("n1 == %d    n2 == %d\n", n1, n2);
    
    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */

© Copyright 2022 Alexander J. Quinn         This content is protected and may not be shared, uploaded, or distributed.