2008年10月29日指针内存:指针的引用与正常指针 释放内存的另一例比较
一、先看一段代码:
#include <iostream>
using namespace std;
void freePtr1(int* p1)
{
delete p1;
p1 = NULL;
}
void freePtr2(int*& p2)
{
delete p2;
p2 = NULL;
}
void main()
{
int *p1 = new int;
*p1 = 1;
freePtr1(p1);
int *p2 = new int;
*p2 = 2;
freePtr2(p2);
sys...
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