#include<iostream>
using namespace std;
double a(double aa) { return aa; }
int main() {int aa = 9;
a(1.0);
double(*fn)(double) = a;;
cout << a(1.0)<<endl;
cout << fn(1.0) << endl;
cout << fn << endl;
cout << &fn << endl;
cout << *fn << endl;
}
结果：
1 1 00821488 00F3FB70 00821488
c++程序设计基础、编程抽象与算法策略
