Defined in header

void swap( basic_stringstream& other );

Defined in header

State state() const; (1)

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

basic_ifstream(); (1)

protected: virtual pos_type seekoff( off_type off,

basic_istream& read( char_type* s, std::streamsize count

protected: virtual int_type underflow()

basic_ostream& flush();