Function in class inheritance.

 #include<iostream>

#include<conio.h>

using namespace std;

class test

{

int a;

public:

void getval_a();

void putval_a();

};

void test::getval_a(int x)

{

a=x;

}

void test::putval_a()

{

return a;

}

class result:public test

{

int b;

public:

void getval_b();

void putval_b();

};

void result::getval_b(int y);

{

b=y;

}

void result::putval_b()

{

return b;

}

class total:public test,public result

{

int c;

public:

void totalis();

void add();

};

void total::totalis(int z)

{

c=z;

    c=a+b;

return c;

}

void total:add()

{

cout<<"addition is:"<<totalis();

}

int main()

{

total obj;

obj.getval_a(10);

obj.putval_a();

obj.getval_b(20);

obj.putval_b();

obj.totalis();

obj.add();

getch();

return 0;

}