std::basic_ios<CharT,Traits>::basic_ios

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Input/output library

I/O manipulators
Print functions(C++23)
C-style I/O
Buffers
basic_streambuf
basic_filebuf
basic_stringbuf
basic_spanbuf (C++23)
strstreambuf (C++98/26*)
basic_syncbuf (C++20)
Streams
Abstractions
ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
File I/O
basic_ifstream
basic_ofstream
basic_fstream
String I/O
basic_istringstream
basic_ostringstream
basic_stringstream
Array I/O
basic_ispanstream (C++23)
basic_ospanstream (C++23)
basic_spanstream (C++23)
istrstream (C++98/26*)
ostrstream (C++98/26*)
strstream (C++98/26*)
Synchronized Output
basic_osyncstream (C++20)
Types
streamoff
streamsize
fpos
Error category interface
iostream_category (C++11)
io_errc (C++11)

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std::basic_ios

Member functions
basic_ios::basic_ios
basic_ios::~basic_ios
State functions
basic_ios::good
basic_ios::eof
basic_ios::fail
basic_ios::bad
basic_ios::operator!
basic_ios::operator bool
basic_ios::rdstate
basic_ios::setstate
basic_ios::clear
Formatting
basic_ios::copyfmt
basic_ios::fill
Miscellaneous
basic_ios::exceptions
basic_ios::imbue
basic_ios::rdbuf
basic_ios::tie
basic_ios::narrow
basic_ios::widen
Protected member functions
basic_ios::init
basic_ios::move (C++11)
basic_ios::swap (C++11)
basic_ios::set_rdbuf (C++11)

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protected: basic_ios();	(1)
public: explicit basic_ios(std::basic_streambuf<CharT, Traits>* sb);	(2)
	(3)
private: basic_ios(const basic_ios&);		(until C++11)
public: basic_ios(const basic_ios&)= delete;		(since C++11)

Constructs a newstd::basic_ios object.

1) Default constructor. The internal state is not initialized.init() must be called before the first use of the object or before destructor, otherwise the behavior is undefined.

2) Initializes the internal state by callinginit(sb). The associated stream buffer is set tosb.

3) The copy constructor isdeclared private and not defined(until C++11)explicitly defined as deleted(since C++11): I/O streams are notCopyConstructible.