29 Input/output library [input.output]

29.4 Standard iostream objects [iostream.objects]

29.4.1 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; }