Standard C++ Library Reference ISO/IEC (VERSION3)

width() returns zero●
precision() returns 6●
fill() returns the space character●
getloc() returns locale::classic()●
iword returns zero and pword returns a null pointer for all argument value●
basic_ios::int_type
typedef typename Ty::int_type int_type;
The type is a synonym for Ty::int_type.
basic_ios::narrow
char narrow(char_type ch, char dflt);
The member function returns use_facet< ctype<Elem> >( getloc()). narrow(ch,
dflt).
basic_ios::off_type
typedef typename Ty::off_type off_type;
The type is a synonym for Ty::off_type.
basic_ios::operator void *
operator void *() const;
The operator returns a null pointer only if fail().
basic_ios::operator!
bool operator!() const;
The operator returns fail().
basic_ios::pos_type
typedef typename Ty::pos_type pos_type;
The type is a synonym for Ty::pos_type.