#ifndef _LIBCPP___FWD_IOS_H
#define _LIBCPP___FWD_IOS_H
#include <__config>
#include <__fwd/string.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
class _LIBCPP_EXPORTED_FROM_ABI ios_base;
template <class _CharT, class _Traits = char_traits<_CharT> >
class basic_ios;
using ios = basic_ios<char>;
#if _LIBCPP_HAS_WIDE_CHARACTERS
using wios = basic_ios<wchar_t>;
#endif
template <class _CharT, class _Traits>
class _LIBCPP_PREFERRED_NAME(ios) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wios)) basic_ios;
#if _LIBCPP_LIBC_NEWLIB
using streamoff = long int; #else
using streamoff = long long; #endif
_LIBCPP_END_NAMESPACE_STD
#endif