function_pointers.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Sat, 13 Dec 2008 17:58:17 +0100
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child 27 81a574d60c15
permissions -rw-r--r--
function pointer demo added committer: Markus Bröker <mbroeker@largo.homelinux.org>
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/**
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 * test/demos/function_pointers.c
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 * Copyright (C) 2008 Markus Broeker
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 */
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#include <stdio.h>
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#include <stdlib.h>
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typedef struct T {
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	int a;
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	int b;
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} T;
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int plus(T t)
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{
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	return t.a+t.b;
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}
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int minus(T t)
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{
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	return t.a-t.b;
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}
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int func(T t, int (*ptrFunc)(T))
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{
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	return ptrFunc(t);
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}
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int main(int argc, char **argv)
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{
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	T t = {
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		.a = 20,
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		.b = 10
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	};
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	printf("Result: %d\n", func(t, &plus));
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	printf("Result: %d\n", func(t, &minus));
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	return EXIT_SUCCESS;
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}