Standard library header <iostream>

< cpp‎ | header

This header is part of the Input/output library.


<ios> (since C++11)
<streambuf> (since C++11)
<istream> (since C++11)
<ostream> (since C++11)


std::cin standard input
std::cout standard output
std::cerr standard error
std::clog standard log
std::wcin standard input
std::wcout standard output
std::wcerr standard error
std::wclog standard log

[edit] Synopsis

#include <ios>
#include <streambuf>
#include <istream>
#include <ostream>
namespace std {
    extern istream cin;
    extern ostream cout;
    extern ostream cerr;
    extern ostream clog;
    extern  wistream wcin;
    extern  wostream wcout;
    extern  wostream wcerr;
    extern  wostream wclog;