/*PROGRAM TO SHOW THE CONCEPT OF FUNCTION OF ONE CLASS FRIEND OF ANOTHER CLASS*/
#include<conio.h>
#include<iostream.h>
class xyz;
class abc
{
public:
void frnd_fun(xyz x);
};
class xyz
{
int a;
public:
void display();
friend void abc::frnd_fun(xyz x);
};
void xyz::display()
{
cout<<“Display functon of xyz class is executed”<<endl;
cout<<“Enter the value of a: “;
cin>>a;
}
void abc::frnd_fun(xyz x)
{
cout<<“Friend function of xyz defined in abc class is executed”<<endl;
cout<<“Value of a is: “<<x.a;
}
void main()
{
xyz x1;
abc a1;
clrscr();
x1.display();
a1.frnd_fun(x1);
getch();
}