/*

**test17.cpp : Defines the entry point for the console application.

**系統(tǒng)winXP SP3 32位.

**關(guān)于指針

*/

#include "stdafx.h"

#include "stdio.h"

#include "iostream.h"

int main(int argc, char* argv[])

{

????int iNum = 0;

????char cNum = 'a';

????float fNum = iNum;

????double dNum = fNum;

????bool bNum = true;

????int* piNum = &iNum;

????int** ppiNum = &piNum;

????cout<<"address iNum is: "<<&iNum<<endl; ??//0x0012FF7C

????printf("address cNum is: 0x%p\n",cNum); ??//0x00000061

????cout<<"address fNum is: "<<&fNum<<endl; ???//0x0012FF74

????cout<<"address dNum is: "<<&dNum<<endl; ??//0x0012FF6C

????cout<<"address bNum is: "<<&bNum<<endl; ??//0x0012FF68

????cout<<"value piNum is: "<<piNum<<endl; ??//0x0012FF7C

????cout<<"address piNum is: "<<&piNum<<endl; ??//0x0012FF64

????cout<<"value ppiNum is: "<<ppiNum<<endl; ??//0x0012FF64

????cout<<"address ppiNum is: "<<&ppiNum<<endl; ??//0x0012FF60

????return 0;

}

Tips1：上例我們可以看出指針的值是32bit的正整數(shù)，指針piNum的值就是iNum的地址0x0012FF7C，同理ppiNum的值就是指針piNum的地址0x0012FF64。