| // -*- C++ -*- | 
 | //===--------------------------- iostream ---------------------------------===// | 
 | // | 
 | //                     The LLVM Compiler Infrastructure | 
 | // | 
 | // This file is dual licensed under the MIT and the University of Illinois Open | 
 | // Source Licenses. See LICENSE.TXT for details. | 
 | // | 
 | //===----------------------------------------------------------------------===// | 
 |  | 
 | #ifndef _LIBCPP_IOSTREAM | 
 | #define _LIBCPP_IOSTREAM | 
 |  | 
 | /* | 
 |     iostream 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; | 
 |  | 
 | }  // std | 
 |  | 
 | */ | 
 |  | 
 | #include <__config> | 
 | #include <ios> | 
 | #include <streambuf> | 
 | #include <istream> | 
 | #include <ostream> | 
 |  | 
 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) | 
 | #pragma GCC system_header | 
 | #endif | 
 |  | 
 | _LIBCPP_BEGIN_NAMESPACE_STD | 
 |  | 
 | #ifndef _LIBCPP_HAS_NO_STDIN | 
 | extern _LIBCPP_FUNC_VIS istream cin; | 
 | extern _LIBCPP_FUNC_VIS wistream wcin; | 
 | #endif | 
 | #ifndef _LIBCPP_HAS_NO_STDOUT | 
 | extern _LIBCPP_FUNC_VIS ostream cout; | 
 | extern _LIBCPP_FUNC_VIS wostream wcout; | 
 | #endif | 
 | extern _LIBCPP_FUNC_VIS ostream cerr; | 
 | extern _LIBCPP_FUNC_VIS wostream wcerr; | 
 | extern _LIBCPP_FUNC_VIS ostream clog; | 
 | extern _LIBCPP_FUNC_VIS wostream wclog; | 
 |  | 
 | _LIBCPP_END_NAMESPACE_STD | 
 |  | 
 | #endif  // _LIBCPP_IOSTREAM |