void open( const char *filename, ios_base::openmode mode = ios_base::in

Defined in header

protected: void swap(basic_ostream& rhs);

std::locale imbue( const std::locale& loc );

explicit basic_stringstream( ios_base::openmode mode = ios_base::in|ios_base::out

int pcount() const;

Defined in header

basic_ostream& flush();

protected: virtual int_type overflow ( int_type c = Traits::eof()

Defined in header