// iosfwd standard header
#pragma once
#ifndef _IOSFWD_
#define _IOSFWD_
#include <cstdio>
#include <cstring>
#include <cwchar>
#include <xstddef>

#pragma pack(push,8)
#pragma warning(push,3)
_STD_BEGIN

		// STREAM POSITIONING TYPES (from <streambuf>)

 #ifdef _WIN64
typedef __int64 streamoff;
typedef __int64 streamsize;

 #else /* _WIN64 */
typedef long streamoff;
typedef int streamsize;
 #endif /* _WIN64 */

extern _CRTIMP2 fpos_t _Fpz;
extern _CRTIMP2 const streamoff _BADOFF;

		// TEMPLATE CLASS fpos (from <streambuf>)
template<class _Statetype>
	class fpos
	{	// store arbitrary file position
	typedef fpos<_Statetype> _Myt;

public:
	fpos(streamoff _Off = 0)
		: _Myoff(_Off), _Fpos(_Fpz), _Mystate(_Stz)
		{	// construct with stream offset
		}

	fpos(_Statetype _State, fpos_t _Fileposition)
		: _Myoff(0), _Fpos(_Fileposition), _Mystate(_State)
		{	// construct with conversion state and C file position
		}

	_Statetype state() const
		{	// return conversion state
		return (_Mystate);
		}

	void state(_Statetype _State)
		{	// set conversion state
		_Mystate = _State;
		}

	fpos_t seekpos() const
		{	// return C file position
		return (_Fpos);
		}

	operator streamoff() const
		{	// return offset
		return (_Myoff + _FPOSOFF(_Fpos));
		}

	streamoff operator-(const _Myt& _Right) const
		{	// return difference of file positions as an offset
		return ((streamoff)*this - (streamoff)_Right);
		}

	_Myt& operator+=(streamoff _Off)
		{	// add offset
		_Myoff += _Off;
		return (*this);
		}

	_Myt& operator-=(streamoff _Off)
		{	// subtract offset
		_Myoff -= _Off;
		return (*this);
		}

	_Myt operator+(streamoff _Off) const
		{	// return this + offset
		_Myt _Tmp = *this;
		return (_Tmp += _Off);
		}

	_Myt operator-(streamoff _Off) const
		{	// return this - offset
		_Myt _Tmp = *this;
		return (_Tmp -= _Off);
		}

	bool operator==(const _Myt& _Right) const
		{	// test for file position equality
		return ((streamoff)*this == (streamoff)_Right);
		}

	bool operator!=(const _Myt& _Right) const
		{	// test for file position inequality
		return (!(*this == _Right));
		}

private:
	static _Statetype _Stz;	// initial conversion state
	streamoff _Myoff;	// stream offset
	fpos_t _Fpos;	// C file position
	_Statetype _Mystate;	// current conversion state
	};

	// STATIC fpos::_Stz OBJECT
template<class _Statetype>
	_Statetype fpos<_Statetype>::_Stz;

 #define _POS_TYPE_FROM_STATE(postype, state, position)	\
	postype(state, position)
 #define _POS_TYPE_TO_FPOS_T(pos)	pos.seekpos()
 #define _POS_TYPE_TO_STATE(pos)	pos.state()

typedef fpos<mbstate_t> streampos;
typedef streampos wstreampos;

		// TEMPLATE STRUCT char_traits (FROM <string>)
template<class _Elem>
	struct char_traits
	{	// properties of a string or stream element
	typedef _Elem char_type;
	typedef _Elem int_type;
	typedef streampos pos_type;
	typedef streamoff off_type;
	typedef mbstate_t state_type;

	static void __cdecl assign(_Elem& _Left, const _Elem& _Right)
		{	// assign an element
		_Left = _Right;
		}

	static bool __cdecl eq(const _Elem& _Left, const _Elem& _Right)
		{	// test for element equality
		return (_Left == _Right);
		}

	static bool __cdecl lt(const _Elem& _Left, const _Elem& _Right)
		{	// test if _Left precedes _Right
		return (_Left < _Right);
		}

	static int __cdecl compare(const _Elem *_First1,
		const _Elem *_First2, size_t _Count)
		{	// compare [_First1, _First1 + _Count) with [_First2, ...)
		for (; 0 < _Count; --_Count, ++_First1, ++_First2)
			if (!eq(*_First1, *_First2))
				return (lt(*_First1, *_First2) ? -1 : +1);
		return (0);
		}

	static size_t __cdecl length(const _Elem *_First)
		{	// find length of null-terminated sequence
		size_t _Count;
		for (_Count = 0; !eq(*_First, _Elem()); ++_First)
			++_Count;
		return (_Count);
		}

	static _Elem *__cdecl copy(_Elem *_First1,
		const _Elem *_First2, size_t _Count)
		{	// copy [_First1, _First1 + _Count) to [_First2, ...)
		_Elem *_Next = _First1;
		for (; 0 < _Count; --_Count, ++_Next, ++_First2)
			assign(*_Next, *_First2);
		return (_First1);
		}

	static const _Elem *__cdecl find(const _Elem *_First,
		size_t _Count, const _Elem& _Ch)
		{	// look for _Ch in [_First, _First + _Count)
		for (; 0 < _Count; --_Count, ++_First)
			if (eq(*_First, _Ch))
				return (_First);
		return (0);
		}

	static _Elem *__cdecl move(_Elem *_First1,
		const _Elem *_First2, size_t _Count)
		{	// copy [_First1, _First1 + _Count) to [_First2, ...)
		_Elem *_Next = _First1;
		if (_First2 < _Next && _Next < _First2 + _Count)
			for (_Next += _Count, _First2 += _Count; 0 < _Count; --_Count)
				assign(*--_Next, *--_First2);
		else
			for (; 0 < _Count; --_Count, ++_Next, ++_First2)
				assign(*_Next, *_First2);
		return (_First1);
		}

	static _Elem *__cdecl assign(_Elem *_First,
		size_t _Count, _Elem _Ch)
		{	// assign _Count * _Ch to [_First, ...)
		_Elem *_Next = _First;
		for (; 0 < _Count; --_Count, ++_Next)
			assign(*_Next, _Ch);
		return (_First);
		}

	static _Elem __cdecl to_char_type(const int_type& _Meta)
		{	// convert metacharacter to character
		return (_Meta);
		}

	static int_type __cdecl to_int_type(const _Elem& _Ch)
		{	// convert character to metacharacter
		return (_Ch);
		}

	static bool __cdecl eq_int_type(const int_type& _Left,
		const int_type& _Right)
		{	// test for metacharacter equality
		return (_Left == _Right);
		}

	static int_type __cdecl eof()
		{	// return end-of-file metacharacter
		return ((int_type)EOF);
		}

	static int_type __cdecl not_eof(const int_type& _Meta)
		{	// return anything but EOF
		return (_Meta != eof() ? _Meta : !eof());
		}
	};

		// STRUCT char_traits<wchar_t>
template<> struct _CRTIMP2 char_traits<wchar_t>
	{	// properties of a string or stream wchar_t element
	typedef wchar_t _Elem;
	typedef _Elem char_type;	// for overloads
	typedef wint_t int_type;
	typedef streampos pos_type;
	typedef streamoff off_type;
	typedef mbstate_t state_type;

	static void __cdecl assign(_Elem& _Left, const _Elem& _Right)
		{	// assign an element
		_Left = _Right;
		}

	static bool __cdecl eq(const _Elem& _Left, const _Elem& _Right)
		{	// test for element equality
		return (_Left == _Right);
		}

	static bool __cdecl lt(const _Elem& _Left, const _Elem& _Right)
		{	// test if _Left precedes _Right
		return (_Left < _Right);
		}

	static int __cdecl compare(const _Elem *_First1, const _Elem *_First2,
		size_t _Count)
		{	// compare [_First1, _First1 + _Count) with [_First2, ...)
		return (::wmemcmp(_First1, _First2, _Count));
		}

	static size_t __cdecl length(const _Elem *_First)
		{	// find length of null-terminated sequence
		return (::wcslen(_First));
		}

	static _Elem *__cdecl copy(_Elem *_First1, const _Elem *_First2,
		size_t _Count)
		{	// copy [_First1, _First1 + _Count) to [_First2, ...)
		return (::wmemcpy(_First1, _First2, _Count));
		}

	static const _Elem *__cdecl find(const _Elem *_First, size_t _Count,
		const _Elem& _Ch)
		{	// look for _Ch in [_First, _First + _Count)
		return ((const _Elem *)::wmemchr(_First, _Ch, _Count));
		}

	static _Elem *__cdecl move(_Elem *_First1, const _Elem *_First2,
		size_t _Count)
		{	// copy [_First1, _First1 + _Count) to [_First2, ...)
		return (::wmemmove(_First1, _First2, _Count));
		}

	static _Elem *__cdecl assign(_Elem *_First, size_t _Count, _Elem _Ch)
		{	// assign _Count * _Ch to [_First, ...)
		return (::wmemset(_First, _Ch, _Count));
		}

	static _Elem __cdecl to_char_type(const int_type& _Meta)
		{	// convert metacharacter to character
		return (_Meta);
		}

	static int_type __cdecl to_int_type(const _Elem& _Ch)
		{	// convert character to metacharacter
		return (_Ch);
		}

	static bool __cdecl eq_int_type(const int_type& _Left,
		const int_type& _Right)
		{	// test for metacharacter equality
		return (_Left == _Right);
		}

	static int_type __cdecl eof()
		{	// return end-of-file metacharacter
		return (WEOF);
		}

	static int_type __cdecl not_eof(const int_type& _Meta)
		{	// return anything but EOF
		return (_Meta != eof() ? _Meta : !eof());
		}
	};


		// STRUCT char_traits<char> (FROM <string>)
template<> struct _CRTIMP2 char_traits<char>
	{	// properties of a string or stream char element
	typedef char _Elem;
	typedef _Elem char_type;
	typedef int int_type;
	typedef streampos pos_type;
	typedef streamoff off_type;
	typedef mbstate_t state_type;

	static void __cdecl assign(_Elem& _Left, const _Elem& _Right)
		{	// assign an element
		_Left = _Right;
		}

	static bool __cdecl eq(const _Elem& _Left, const _Elem& _Right)
		{	// test for element equality
		return (_Left == _Right);
		}

	static bool __cdecl lt(const _Elem& _Left, const _Elem& _Right)
		{	// test if _Left precedes _Right
		return (_Left < _Right);
		}

	static int __cdecl compare(const _Elem *_First1, const _Elem *_First2,
		size_t _Count)
		{	// compare [_First1, _First1 + _Count) with [_First2, ...)
		return (::memcmp(_First1, _First2, _Count));
		}

	static size_t __cdecl length(const _Elem *_First)
		{	// find length of null-terminated string
		return (::strlen(_First));
		}

	static _Elem *__cdecl copy(_Elem *_First1, const _Elem *_First2,
		size_t _Count)
		{	// copy [_First1, _First1 + _Count) to [_First2, ...)
		return ((_Elem *)::memcpy(_First1, _First2, _Count));
		}

	static const _Elem *__cdecl find(const _Elem *_First, size_t _Count,
		const _Elem& _Ch)
		{	// look for _Ch in [_First, _First + _Count)
		return ((const _Elem *)::memchr(_First, _Ch, _Count));
		}

	static _Elem *__cdecl move(_Elem *_First1, const _Elem *_First2,
		size_t _Count)
		{	// copy [_First1, _First1 + _Count) to [_First2, ...)
		return ((_Elem *)::memmove(_First1, _First2, _Count));
		}

	static _Elem *__cdecl assign(_Elem *_First, size_t _Count, _Elem _Ch)
		{	// assign _Count * _Ch to [_First, ...)
		return ((_Elem *)::memset(_First, _Ch, _Count));
		}

	static _Elem __cdecl to_char_type(const int_type& _Meta)
		{	// convert metacharacter to character
		return ((_Elem)_Meta);
		}

	static int_type __cdecl to_int_type(const _Elem& _Ch)
		{	// convert character to metacharacter
		return ((unsigned char)_Ch);
		}

	static bool __cdecl eq_int_type(const int_type& _Left,
		const int_type& _Right)
		{	// test for metacharacter equality
		return (_Left == _Right);
		}

	static int_type __cdecl eof()
		{	// return end-of-file metacharacter
		return (EOF);
		}

	static int_type __cdecl not_eof(const int_type& _Meta)
		{	// return anything but EOF
		return (_Meta != eof() ? _Meta : !eof());
		}
	};

		// FORWARD REFERENCES
template<class _Ty>
	class allocator;
class ios_base;
template<class _Elem,
	class _Traits = char_traits<_Elem> >
	class basic_ios;
template<class _Elem,
	class _Traits = char_traits<_Elem> >
	class istreambuf_iterator;
template<class _Elem,
	class _Traits = char_traits<_Elem> >
	class ostreambuf_iterator;
template<class _Elem,
	class _Traits = char_traits<_Elem> >
	class basic_streambuf;
template<class _Elem,
	class _Traits = char_traits<_Elem> >
	class basic_istream;
template<class _Elem,
	class _Traits = char_traits<_Elem> >
	class basic_ostream;
template<class _Elem,
	class _Traits = char_traits<_Elem> >
	class basic_iostream;
template<class _Elem,
	class _Traits = char_traits<_Elem>,
	class _Alloc = allocator<_Elem> >
	class basic_stringbuf;
template<class _Elem,
	class _Traits = char_traits<_Elem>,
	class _Alloc = allocator<_Elem> >
	class basic_istringstream;
template<class _Elem,
	class _Traits = char_traits<_Elem>,
	class _Alloc = allocator<_Elem> >
	class basic_ostringstream;
template<class _Elem,
	class _Traits = char_traits<_Elem>,
	class _Alloc = allocator<_Elem> >
	class basic_stringstream;
template<class _Elem,
	class _Traits = char_traits<_Elem> >
	class basic_filebuf;
template<class _Elem,
	class _Traits = char_traits<_Elem> >
	class basic_ifstream;
template<class _Elem,
	class _Traits = char_traits<_Elem> >
	class basic_ofstream;
template<class _Elem,
	class _Traits = char_traits<_Elem> >
	class basic_fstream;

 #ifdef  _DLL_CPPLIB
template<class _Elem,
	class _InIt >
    class num_get;
template<class _Elem,
	class _OutIt >
    class num_put;
template<class _Elem>
    class collate;
 #endif /* _DLL_CPPLIB */

		// char TYPEDEFS
typedef basic_ios<char, char_traits<char> > ios;
typedef basic_streambuf<char, char_traits<char> > streambuf;
typedef basic_istream<char, char_traits<char> > istream;
typedef basic_ostream<char, char_traits<char> > ostream;
typedef basic_iostream<char, char_traits<char> > iostream;
typedef basic_stringbuf<char, char_traits<char>,
	allocator<char> > stringbuf;
typedef basic_istringstream<char, char_traits<char>,
	allocator<char> > istringstream;
typedef basic_ostringstream<char, char_traits<char>,
	allocator<char> > ostringstream;
typedef basic_stringstream<char, char_traits<char>,
	allocator<char> > stringstream;
typedef basic_filebuf<char, char_traits<char> > filebuf;
typedef basic_ifstream<char, char_traits<char> > ifstream;
typedef basic_ofstream<char, char_traits<char> > ofstream;
typedef basic_fstream<char, char_traits<char> > fstream;

		// wchat_t TYPEDEFS
typedef basic_ios<wchar_t, char_traits<wchar_t> > wios;
typedef basic_streambuf<wchar_t, char_traits<wchar_t> >
	wstreambuf;
typedef basic_istream<wchar_t, char_traits<wchar_t> > wistream;
typedef basic_ostream<wchar_t, char_traits<wchar_t> > wostream;
typedef basic_iostream<wchar_t, char_traits<wchar_t> > wiostream;
typedef basic_stringbuf<wchar_t, char_traits<wchar_t>,
	allocator<wchar_t> > wstringbuf;
typedef basic_istringstream<wchar_t, char_traits<wchar_t>,
	allocator<wchar_t> > wistringstream;
typedef basic_ostringstream<wchar_t, char_traits<wchar_t>,
	allocator<wchar_t> > wostringstream;
typedef basic_stringstream<wchar_t, char_traits<wchar_t>,
	allocator<wchar_t> > wstringstream;
typedef basic_filebuf<wchar_t, char_traits<wchar_t> > wfilebuf;
typedef basic_ifstream<wchar_t, char_traits<wchar_t> > wifstream;
typedef basic_ofstream<wchar_t, char_traits<wchar_t> > wofstream;
typedef basic_fstream<wchar_t, char_traits<wchar_t> > wfstream;



 #ifdef  _DLL_CPPLIB
typedef num_get<char, istreambuf_iterator<char, char_traits<char> > >
	numget;
typedef num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >
	wnumget;
typedef num_put<char, ostreambuf_iterator<char, char_traits<char> > >
	numput;
typedef num_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >
	wnumput;
typedef collate<char> ncollate;
typedef collate<wchar_t> wcollate;
 #endif /* _DLL_CPPLIB */

_STD_END
#pragma warning(pop)
#pragma pack(pop)

#endif /* _IOSFWD_ */

/*
 * Copyright (c) 1992-2002 by P.J. Plauger.  ALL RIGHTS RESERVED.
 * Consult your license regarding permissions and restrictions.
 V3.13:0009 */
