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< Visual C++ 6.0实例教程》源代码, WinRAR自解压包

class aaa
{
private:
	int b;
public:
	int a;
	friend void aa(aaa &fa);
	void bbb();
};

void aa(aaa &fa)
{
	fa.b=1;
	fa.a=2;
}
void aaa::bbb()
{
	aaa t;
	::aa(t);
}

main()
{
	aaa a;
	a.bbb();

}