void f(int(&p)[3]){} 和void f(int(*p)[3]){}的区别

#include<iostream>

using namespace std;

void f(int(&p)[3]){

cout<<p[0]<<endl;

cout<<p[2]<<endl;

}

int main(){

int a1[3]={1,2,3};

cout<<a1<<endl;

cout<<&a1<<endl;

f(a1);

}

编译后输出：

0xbfbb8eb4

0xbfbb8eb4

1

3

#include<iostream>

using namespace std;

void f(int(*p)[3]){

cout<<p[0]<<endl;

cout<<p[2]<<endl;

}

int main(){

int a1[3]={1,2,3};

cout<<a1<<endl;

cout<<&a1<<endl;

f(&a1);

}

编译后输出：

0xbff21e84

0xbff21e84

0xbff21e84

0xbff21e9c

由此比较可以看出，

void f(int(*p)[3]){}是个函数指针数组，指针数组属于二级指针

void f(int(&p)[3]){} 和void f(int(*p)[3]){}的区别,布布扣,bubuko.com