指出下面程序中的错误，并说明错误原因。

#include



class A{

public:void fun(){cout<<″a.fun″<<>< p="">

};

class B{

public:void fun(){cout<<″b.fun″<<>< p="">

void gun(){cout<<″b.gun″<<>< p="">

};

class C:public A,public B{

private:int b;

public:void gun(){cout <<″c.gun<<″endl;}

};

void main(){

c obj;

obj.fun();

obj.gun();
}