44 lines · c
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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___FWD_IOS_H10#define _LIBCPP___FWD_IOS_H11 12#include <__config>13#include <__fwd/string.h>14 15#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)16# pragma GCC system_header17#endif18 19_LIBCPP_BEGIN_NAMESPACE_STD20 21class _LIBCPP_EXPORTED_FROM_ABI ios_base;22 23template <class _CharT, class _Traits = char_traits<_CharT> >24class basic_ios;25 26using ios = basic_ios<char>;27#if _LIBCPP_HAS_WIDE_CHARACTERS28using wios = basic_ios<wchar_t>;29#endif30 31template <class _CharT, class _Traits>32class _LIBCPP_PREFERRED_NAME(ios) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wios)) basic_ios;33 34#if _LIBCPP_LIBC_NEWLIB35// On newlib, off_t is 'long int'36using streamoff = long int; // for char_traits in <string>37#else38using streamoff = long long; // for char_traits in <string>39#endif40 41_LIBCPP_END_NAMESPACE_STD42 43#endif // _LIBCPP___FWD_IOS_H44