// $Id: fp1.c,v 1.1 2004-11-04 03:33:08+09 kaiya Exp kaiya $
#include <stdio.h>

int add(int a, int b){
	return a+b;
}

int sub(int a, int b){
	return a-b;
}

main(){
int (*fp)(int, int); // pointer to a function. 

	fp=add;
	printf("%d\n", (*fp)(10, 4) );

	fp=sub;
	printf("%d\n", (*fp)(10, 4) );
}