#include <stdio.h>
int main()
{
	int p,*pt;
	p=10;
	pt=&p;
	pt=&p;
	printf("address of p =%p\n",*pt);
	printf("address of p =%p\n",pt);
	printf("Data of p =%d\n",p);
	printf("Data of p =%d\n",*pt);
}