简单的函数指针问题

#include<iostream>
using namespace std;

int max(int a,int b)
{
	return (a>b)?a:b;
}



int main()
{
	int (*f)(int,int) = &max;
	int a,b,c;
	cin >> a >> b >> c;	
	cout << (*f)((*f)(a,b),c) << endl;
	return 0;
}