C++ 标准库 - <iostream>

描述

它用于标准输入/输出流库。

声明

以下是 iosstream 函数的声明。

C++98

Including this header may automatically include other headers, such as <ios>,
   <streambuf>, <istream>, <ostream> and/or <iosfwd>.

C++11

Including <iostream> automatically includes also <ios>, <streambuf>, <istream>,
   <ostream> and <iosfwd>.

对象

iosstream 的对象应该是这样 −

窄字符（char）

宽字符 (wchar_t)