.\" ident @(#)iosfwd.3
.\" Standard Template Library
.\" $$RW_INSERT_HEADER "slyrs.man"
.TH iosfwd 3C++ "02 Apr 1998" "Rogue Wave Software" "-"
.ce2
Standard C++ Library   
Copyright 1998, Rogue Wave Software, Inc.   

.SH NAME

\f2iosfwd\fP

\ - The header \f2iosfwd\fP forward declares the input/output library template classes and specializes them for wide and tiny characters. It also defines the positional types used in class \f2char_traits\fP instantiated on tiny and wide characters.



.SH  SYNOPSIS



.br
#include <iosfwd>
.br
// forward declare the traits class
.br
template<class charT> struct char_traits;
.br

.br
// forward declare the positioning class
.br
template<class stateT> class fpos;
.br

.br
// forward declare the state class
.br
class mbstate_t;
.br

.br
// forward declare the allocator class
.br
template<class T> class allocator;
.br

.br
// forward declare the iostreams template classes
.br
template<class charT,class traits=char_traits<charT>> 
.RE
.RS 3
class basic_ios;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>> 
.RE
.RS 3
class basic_streambuf;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>> 
.RE
.RS 3
class basic_istream;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>> 
.RE
.RS 3
class basic_ostream;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>,
.RE
.RS 8
class Allocator = allocator<charT> >
.RE
.RS 3
class basic_stringbuf;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>,
.RE
.RS 8
class Allocator = allocator<charT> > 
.RE
.RS 3
class basic_istringstream;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>,
.RE
.RS 8
class Allocator = allocator<charT> >
.RE
.RS 3
class basic_ostringstream;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>> 
.RE
.RS 3
class basic_filebuf;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>> 
.RE
.RS 3
class basic_ifstream;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>> 
.RE
.RS 3
class basic_ofstream;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>> 
.RE
.RS 3
class ostreambuf_iterator;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>> 
.RE
.RS 3
class istreambuf_iterator;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>> 
.RE
.RS 3
class basic_iostream;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>,
.RE
.RS 8
class Allocator = allocator<charT> >
.RE
.RS 3
class basic_stringstream;
.RE
.RS 0
template<class charT,class traits=char_traits<charT>> 
.RE
.RS 3
class basic_fstream;
.RE
.RS 0

.br
// specializations on tiny characters
.br
typedef basic_ios<char>              ios;
.br
typedef basic_streambuf<char>        streambuf;
.br
typedef basic_istream<char>          istream;
.br
typedef basic_ostream<char>          ostream;
.br
typedef basic_stringbuf<char>        stringbuf;
.br
typedef basic_istringstream<char>    istringstream;
.br
typedef basic_ostringstream<char>    ostringstream;
.br
typedef basic_filebuf<char>          filebuf;
.br
typedef basic_ifstream<char>         ifstream;
.br
typedef basic_ofstream<char>         ofstream;
.br
typedef basic_iostream<char>         iostream;
.br
typedef basic_stringstream<char>     stringstream;
.br
typedef basic_fstream<char>          fstream;
.br

.br
// specializations on wide characters
.br
typedef basic_ios<wchar_t>           wios;
.br
typedef basic_streambuf<wchar_t>     wstreambuf;
.br
typedef basic_istream<wchar_t>       wistream;
.br
typedef basic_ostream<wchar_t>       wostream;
.br
typedef basic_stringbuf<wchar_t>     wstringbuf;
.br
typedef basic_istringstream<wchar_t> wistringstream;
.br
typedef basic_ostringstream<wchar_t> wostringstream;
.br
typedef basic_filebuf<wchar_t>       wfilebuf;
.br
typedef basic_ifstream<wchar_t>      wifstream;
.br
typedef basic_ofstream<wchar_t>      wofstream;
.br
typedef basic_iostream<wchar_t>      wiostream;
.br
typedef basic_stringstream<wchar_t>  wstringstream;
.br
typedef basic_fstream<wchar_t>       wfstream;
.br

.br
// positional types used by char_traits
.br
typedef fpos<mbstate_t> streampos;
.br
typedef fpos<mbstate_t> wstreampos;
.br

.br
typedef long            streamoff;
.br
typedef long            wstreamoff;



.SH  SEE ALSO


fpos(3C++), char_traits(3C++), basic_ios(3C++), basic_streambuf(3C++), basic_istream(3C++), basic_ostream(3C++), basic_iostream(3C++), basic_stringbuf(3C++), basic_istringstream(3C++), basic_ostringstream(3C++), basic_stringstream(3C++), basic_filebuf(3C++), basic_ifstream(3C++), basic_ofstream(3C++), basic_fstream(3C++), istreambuf_iterator(3C++), ostreambuf_iterator(3C++)

Working Paper for Draft Proposed International Standard for Information Systems--Programming Language C++, Section 27.2 



.SH  STANDARDS CONFORMANCE


ANSI X3J16/ISO WG21 Joint C++ Committee