1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef _LIBCPP___FWD_IOS_H
10#define _LIBCPP___FWD_IOS_H
11
12#include <__config>
13#include <__fwd/string.h>
14
15#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16# pragma GCC system_header
17#endif
18
19_LIBCPP_BEGIN_NAMESPACE_STD
20
21class _LIBCPP_EXPORTED_FROM_ABI ios_base;
22
23template <class _CharT, class _Traits = char_traits<_CharT> >
24class _LIBCPP_TEMPLATE_VIS basic_ios;
25
26using ios = basic_ios<char>;
27#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
28using wios = basic_ios<wchar_t>;
29#endif
30
31template <class _CharT, class _Traits>
32class _LIBCPP_PREFERRED_NAME(ios) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wios)) basic_ios;
33
34#if defined(_NEWLIB_VERSION)
35// On newlib, off_t is 'long int'
36using streamoff = long int; // for char_traits in <string>
37#else
38using streamoff = long long; // for char_traits in <string>
39#endif
40
41_LIBCPP_END_NAMESPACE_STD
42
43#endif // _LIBCPP___FWD_IOS_H
44