1// -*- C++ -*-
 2//===----------------------------------------------------------------------===//
 3//
 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 5// See https://llvm.org/LICENSE.txt for license information.
 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 7//
 8//===----------------------------------------------------------------------===//
 9
10#ifndef _LIBCPP_IOSTREAM
11#define _LIBCPP_IOSTREAM
12
13/*
14    iostream synopsis
15
16#include <ios>
17#include <istream>
18#include <ostream>
19#include <streambuf>
20
21namespace std {
22
23extern istream cin;
24extern ostream cout;
25extern ostream cerr;
26extern ostream clog;
27extern wistream wcin;
28extern wostream wcout;
29extern wostream wcerr;
30extern wostream wclog;
31
32}  // std
33
34*/
35
36#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
37#  include <__cxx03/iostream>
38#else
39#  include <__config>
40#  include <version>
41
42// standard-mandated includes
43
44// [iostream.syn]
45#  include <ios>
46#  include <istream>
47#  include <ostream>
48#  include <streambuf>
49
50#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
51#    pragma GCC system_header
52#  endif
53
54_LIBCPP_BEGIN_NAMESPACE_STD
55
56extern _LIBCPP_EXPORTED_FROM_ABI istream cin;
57extern _LIBCPP_EXPORTED_FROM_ABI ostream cout;
58extern _LIBCPP_EXPORTED_FROM_ABI ostream cerr;
59extern _LIBCPP_EXPORTED_FROM_ABI ostream clog;
60
61#  if _LIBCPP_HAS_WIDE_CHARACTERS
62extern _LIBCPP_EXPORTED_FROM_ABI wistream wcin;
63extern _LIBCPP_EXPORTED_FROM_ABI wostream wcout;
64extern _LIBCPP_EXPORTED_FROM_ABI wostream wcerr;
65extern _LIBCPP_EXPORTED_FROM_ABI wostream wclog;
66#  endif
67
68_LIBCPP_END_NAMESPACE_STD
69
70#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
71
72#endif // _LIBCPP_IOSTREAM