Defined in header

protected: virtual int_type uflow()

int_type sputc( char_type ch );

Defined in header

void swap( std::basic_filebuf& rhs );

streamsize width() const; (1)

pos_type pubseekoff( off_type off, ios_base::seekdir dir, ios_base::openmode

void unsetf( fmtflags flags );

std::locale getloc() const;

std::basic_filebuf<CharT, Traits>* close();