/**

 * function_pointers.c

 * Copyright (C) 2008 Markus Broeker

 */

#include <stdio.h>

#include <stdlib.h>

typedef struct T {

    int a;

    int b;

} T;

int plus (T t)

{

    return t.a + t.b;

}

int minus (T t)

{

    return t.a - t.b;

}

int func (T t, int (*ptrFunc) (T))

{

    return ptrFunc (t);

}

int main (int argc, char **argv)

{

    T t = {

        .a = 20,

        .b = 10

    };

    printf ("Result: %d\n", func (t, &plus));

    printf ("Result: %d\n", func (t, &minus));

    return EXIT_SUCCESS;

}