#include<stdio.h>
main ( )
{
int a = 5;
int *b;
int *fun( );
b = &a;
printf ( " Before calling the function address of a = %u\n",b);
b = fun( &b);
printf ( " After calling the function value of b = %u\n",b);
}
int *fun(int **x )
{
*x = *x + 1;
return ( *x );
}