#include <stdio.h>

int main() 
{ 
   int i = 10; 
   int *p = &i; 
   foo(&p); 
   printf("%d ", *p); 
   printf("%d ", *p); 
} 
void foo(int **const p) 
{ 
  int j = 11; 
  *p = &j; 
  printf("%d ", **p); 
}