main.cpp

this a good book.

#include<iostream.h>

class C0
{
public:

/**********found**********/

	friend void fun(C0&,int);
	void print()
	{
	/**********found**********/
		cout<<"a="<<a<<",b="<<b<<<<endl;
	}
private:
	int a,b;
};
void fun(C0& obj,int t)
{
	obj.a = t;
	obj.b = 0;
}
void fun(C0& obj,int t,int j)
{
	obj.a = t;
	obj.b = j;
}

void main()
{

/**********found**********/
	C0 obj

	fun(obj,5);
	obj.print();

	fun(obj,5,6);
	obj.print();

	
}