31
Input/output library
[input.output]
31.4
Standard iostream objects
[iostream.objects]
31.4.1
Header
<iostream>
synopsis
[iostream.syn]
🔗
#include
<
ios
>
/ see
[ios.
syn]
#include
<
streambuf
>
/ see
[streambuf.
syn]
#include
<
istream
>
/ see
[istream.
syn]
#include
<
ostream
>
/ see
[ostream.
syn]
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;
}