#include <stdio.h> void swap(int *a, int *b) { int temp; temp = *a; *a = *b; *b = temp; } int main() { int a=3 , b=5; printf("%d,%d\n",a,b); printf("%d,%d\n",&a,&b); swap(&a,&b); printf("%d,%d\n",a,b); printf("%d,%d\n",&a,&b); return 0; }