#include<stdlib.h>
#include<stdio.h>

extern "C" void set(int **);
extern "C" void get(int **);

void set(int **ptr) 
{  int *tmp = (int *) malloc(sizeof(int));
   *tmp = 8;
   *ptr = tmp;
}

void get(int **tmp)
{  printf("%d\n",**tmp);  }