//
//  pointer_to_pointerrs.c
//  
//
//  Created by Bibhas Ghoshal on 20/02/21.
//

#include <stdio.h>

int main()
{
    int x = 100;
    int *p = &x;
    int **q;
    q = &p;
    
    printf("Initial value : x =%d\n",x);
    printf("When p points to x,\n");
    printf("value of *p is %d",*p);
    printf("value of **q is %d\n",**q);
    
    *p =200;
    
    printf("\n After *p is changed to 200,\n");
    printf("value of **q is %d\n",*(*q));
    printf("value of x is %d\n",x);
    
    **q=300;
    printf("\n After **qp is changed to 300,\n");
    printf("value of x is %d\n",x);
    printf("value of *p is %d\n",*p);
    
    return 0;
}