/*
	http://www.ProbCOMP.com
	
	Pointer to pointer means that a pointer which contains the address of a pointer which in turn contains 
	the address of a variable.

*/

#include<stdio.h>

void main()
{
	int a=10,*ptr,**p;
	ptr=&a;
	p=&ptr;
	printf("the vale at a is %d",a);
	printf("\nthe value stored in the address of ptr is %d",*ptr);
	printf("\nthe value stored in the address of address of p is %d",**p);
}