This header contains forward declarations for the Input/output library.
Forward declarations | |
| Defined in header <string> | |
|---|---|
std::char_traits | Class Template which describes properties of a character type (class template) |
std::char_traits<char> | (class template specialization) |
std::char_traits<wchar_t> | (class template specialization) |
std::char_traits<char16_t> (C++11) | (class template specialization) |
std::char_traits<char32_t> (C++11) | (class template specialization) |
| Defined in header <memory> | |
| the default allocator (class template) | |
| Defined in header <ios> | |
| manages an arbitrary stream buffer (class template) | |
| represents absolute position in a stream or a file (class template) | |
| Defined in header <streambuf> | |
| abstracts a raw device (class template) | |
| Defined in header <ostream> | |
wraps a given abstract device (std::basic_streambuf)and provides high-level output interface (class template) | |
| Defined in header <istream> | |
wraps a given abstract device (std::basic_streambuf)and provides high-level input interface (class template) | |
wraps a given abstract device (std::basic_streambuf)and provides high-level input/output interface (class template) | |
| Defined in header <fstream> | |
| implements raw file device (class template) | |
| implements high-level file stream input operations (class template) | |
| implements high-level file stream output operations (class template) | |
| implements high-level file stream input/output operations (class template) | |
| Defined in header <sstream> | |
| implements raw string device (class template) | |
| implements high-level string stream input operations (class template) | |
| implements high-level string stream output operations (class template) | |
| implements high-level string stream input/output operations (class template) | |
| Defined in header <strstream> | |
| (deprecated) | implements raw character array device (class) |
| (deprecated) | implements character array input operations (class) |
| (deprecated) | implements character array output operations (class) |
| (deprecated) | implements character array input/output operations (class) |
Typedefs and specializations | |
std::streampos | fpos<char_traits<char>::state_type> |
std::wstreampos | fpos<char_traits<wchar_t>::state_type> |
In addition, for each class template std::basic_T declared in this header, std::T and std::wT are declared as a synonym of std::basic_T<char> and std::basic_T<wchar_t> respectively. | |
Synopsis
namespace std {
template<class charT> class char_traits;
template<> class char_traits<char>;
template<> class char_traits<char16_t>;
template<> class char_traits<char32_t>;
template<> class char_traits<wchar_t>;
template<class T> class allocator;
template <class charT, class traits = char_traits<charT> >
class basic_ios;
template <class charT, class traits = char_traits<charT> >
class basic_streambuf;
template <class charT, class traits = char_traits<charT> >
class basic_istream;
template <class charT, class traits = char_traits<charT> >
class basic_ostream;
template <class charT, class traits = char_traits<charT> >
class basic_iostream;
template <class charT, class traits = char_traits<charT>,
class Allocator = allocator<charT> >
class basic_stringbuf;
template <class charT, class traits = char_traits<charT>,
class Allocator = allocator<charT> >
class basic_istringstream;
template <class charT, class traits = char_traits<charT>,
class Allocator = allocator<charT> >
class basic_ostringstream;
template <class charT, class traits = char_traits<charT>,
class Allocator = allocator<charT> >
class basic_stringstream;
template <class charT, class traits = char_traits<charT> >
class basic_filebuf;
template <class charT, class traits = char_traits<charT> >
class basic_ifstream;
template <class charT, class traits = char_traits<charT> >
class basic_ofstream;
template <class charT, class traits = char_traits<charT> >
class basic_fstream;
template <class charT, class traits = char_traits<charT> >
class istreambuf_iterator;
template <class charT, class traits = char_traits<charT> >
class ostreambuf_iterator;
typedef basic_ios<char> ios;
typedef basic_ios<wchar_t> wios;
typedef basic_streambuf<char> streambuf;
typedef basic_istream<char> istream;
typedef basic_ostream<char> ostream;
typedef basic_iostream<char> iostream;
typedef basic_stringbuf<char> stringbuf;
typedef basic_istringstream<char> istringstream;
typedef basic_ostringstream<char> ostringstream;
typedef basic_stringstream<char> stringstream;
typedef basic_filebuf<char> filebuf;
typedef basic_ifstream<char> ifstream;
typedef basic_ofstream<char> ofstream;
typedef basic_fstream<char> fstream;
typedef basic_streambuf<wchar_t> wstreambuf;
typedef basic_istream<wchar_t> wistream;
typedef basic_ostream<wchar_t> wostream;
typedef basic_iostream<wchar_t> wiostream;
typedef basic_stringbuf<wchar_t> wstringbuf;
typedef basic_istringstream<wchar_t> wistringstream;
typedef basic_ostringstream<wchar_t> wostringstream;
typedef basic_stringstream<wchar_t> wstringstream;
typedef basic_filebuf<wchar_t> wfilebuf;
typedef basic_ifstream<wchar_t> wifstream;
typedef basic_ofstream<wchar_t> wofstream;
typedef basic_fstream<wchar_t> wfstream;
template <class state> class fpos;
typedef fpos<char_traits<char>::state_type> streampos;
typedef fpos<char_traits<wchar_t>::state_type> wstreampos;
}
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