#include <stdio.h>    
 int main()    {       
 int i = 10;       
 int *const p = &i;       
 fd(&p);       
 printf("%d\n", *p);    }    
void fd(int **p)    {     
   int j = 11;      
  *p = &j;       
 printf("%d\n", **p);   
 }