HTMLify

#include <stdio.h>

void swap(int *a, int *b) {
    int t;
    t = *a;
    *a = *b;
    *b = t;
}

int main() {

    int a = 'a', b = 'b';

    printf("a: %d\nb: %d\n", a, b);

    // swapping with pointers
    swap(&a, &b);
    
    printf("a: %d\nb: %d\n", a, b);
}