function_pointers.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Thu, 16 Apr 2009 12:46:53 +0200
changeset 26 d227047a3e88
parent 24 9cdad6c45b47
child 27 81a574d60c15
permissions -rw-r--r--
convert minutes to timestamps committer: Markus Bröker <mbroeker@largo.homelinux.org>

/**
 * test/demos/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;
}