*p和*&p 有什么区别？
#include<stdio.h>
#include<iostream>
using namespace std;
int main(void)
{
int a=10;
int *p=&a;
int *&q = p;
cout << "p的按地址求值"<<*&p<< endl;
cout << "p的直接求值" << *p << endl;
cout << "p的地址的值的值" << **&p << endl;
system("pause");
return 0;
}
