int_type sputbackc( char_type c );

protected: virtual pos_type seekoff(off_type off,

int_type get(); (1)

basic_ifstream(); (1)

protected: virtual int_type underflow()

basic_istream& operator>>( short& value ); basic_istream& operator>>(

char_type widen( char c ) const;

virtual int_type uflow();

Defined in header

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