#include <stdio.h>
#include <stdlib.h>

int main()
{
	int a=5;
	int b=8;

	int* p; // pointer to int
	int* q; // pointer to int 
	
	// initialize the pointers
	p = &a;  // p points to a (or the memory address where a is stored)
	q = &b;  // q points to b (or the memory address where b is stored)
	
	printf("Before:  a=%d,  b=%d \n",  a,  b);
	printf("Before: *p=%d, *q=%d \n", *p, *q);

	p = q;	 // make p point to the same memory location as q
             // this is equivalent to p = &b;
             
	printf("After:   a=%d,  b=%d \n",  a,  b);
	printf("After:  *p=%d, *q=%d \n", *p, *q);

	system("pause");
}