/usr/include/c++/v1/iostream is in libc++-dev 6.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | // -*- 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
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