function_pointers.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Thu, 16 Apr 2009 13:57:47 +0200
changeset 87 b2f1756c17ca
parent 77 49e0babccb23
child 103 be3fe4a4f097
permissions -rw-r--r--
[alpha_beta] Fix memory leaks I have used many mallocs and have not freed it. But there is still a read error which indicates another problem. committer: Markus Bröker <mbroeker@largo.homelinux.org>

/**
 * 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;
}