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

char_type widen( char c ) const;

int pcount() const;

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

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

Defined in header

basic_ostream& flush();

int_type sputbackc( char_type c );

char* str();

Defined in header