1 //===----------------------------------------------------------------------===//
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
7 //===----------------------------------------------------------------------===//
9 #ifndef _LIBCPP___FWD_IOS_H
10 #define _LIBCPP___FWD_IOS_H
13 #include <__fwd/string.h>
15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16 # pragma GCC system_header
19 _LIBCPP_BEGIN_NAMESPACE_STD
21 template <class _CharT
, class _Traits
= char_traits
<_CharT
> >
22 class _LIBCPP_TEMPLATE_VIS basic_ios
;
24 using ios
= basic_ios
<char>;
25 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
26 using wios
= basic_ios
<wchar_t>;
29 template <class _CharT
, class _Traits
>
30 class _LIBCPP_PREFERRED_NAME(ios
) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wios
)) basic_ios
;
32 #if defined(_NEWLIB_VERSION)
33 // On newlib, off_t is 'long int'
34 using streamoff
= long int; // for char_traits in <string>
36 using streamoff
= long long; // for char_traits in <string>
39 _LIBCPP_END_NAMESPACE_STD
41 #endif // _LIBCPP___FWD_IOS_H