#include <iostream>

#define JMETHOD(type,methodname,arglist)  type (*methodname) arglist

JMETHOD(int, test_func, (int a, int b));

int add(int a, int b)

{

    return a + b;

}

int main()

{

    test_func = add;

    std::cout << test_func(10, 20) << std::endl;;

    getchar();

    return 0;

}

#include <iostream>

#define JMETHOD(type,methodname,arglist)  type (*methodname) arglist

int add(int a, int b)

{

    return a + b;

}

int main()

{

    JMETHOD(int, test_func, (int a, int b));

    test_func = add;

    std::cout << test_func(10, 20) << std::endl;;

    getchar();

    return 0;

}