ptrto.cpp

来自「本课程主要介绍面向对象程序设计的方法和c++语言的基本概念。以c++语言中的面向」· C++ 代码 · 共 17 行

// ptrto.cpp
// other access using pointers
#include <iostream>
using namespace std;

int main()
   {
   int var1, var2;          //two integer variables
   int* ptr;                //pointer to integers

   ptr = &var1;             //set pointer to address of var1
   *ptr = 37;               //same as var1=37
   var2 = *ptr;             //same as var2=var1

   cout << var2 << endl;    //verify var2 is 37
   return 0;
   }