C ++中std :: cout语句的深度 [英] depth in std::cout statement in C++

问题描述

#include< iostream.h>



使用命名空间std;



int main（）

{



std :: cout<< 测试申请：<< std :: endl;



返回0;

}





std :: cout和std :: endl如何在内部工作。 测试应用程序如何在控制台应用程序中打印。



问候，

Ranjith

Hi,

#include<iostream.h>

using namespace std;

int main()
{

std::cout<<"test application:"<<std::endl;

return 0;
}


How std::cout and std::endl is working internally. How "test application" is printing in console application.

Regards,
Ranjith

推荐答案

查看包含文件。

cout 最终映射到 STDOUT ，默认情况下是映射到控制台的io流之一。这是一个系统调用来处理这个映射。

干杯

Andi

Have a look into the include files.
cout finally maps into STDOUT, which is one of the io streams that maps to the console by default. It's a system call that takes care of this mapping.
Cheers
Andi

参见http://msdn.microsoft.com/en-us/library/h07e2k12.aspx [ ^ ]。

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