#include <iostream>
 
using namespace std;
 
class Test
{
public:
     void foo()
     {
          cout << "Test::foo called" << endl;
     }
};
 
class Tester: public Test
{
public:
     void boo()
     {
          cout << "Tester::boo called" << endl;
     }
};
 
int main()
{
     //объявляем тип указателя:
     typedef void (Test::* pToFunc)();
 
     //создаём объект этого типа и инициализируем его:
     pToFunc pt = &Tester::boo;
 
     // Можно и по указателю:
     Test *test = new Test; 
     Tester *tester = new Tester;
 
     (test->*pt)();
 
     delete test;
     delete tester;
}

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