成员的完整列表，这些成员属于 elc::defs::stream_n::data_iostream_t,包括所有继承而来的类成员

close()=0	elc::defs::stream_n::base_stream_t	pure virtual
data_type typedef	elc::defs::stream_n::data_stream_t
flush()=0	elc::defs::stream_n::base_stream_t	pure virtual
is_end()=0	elc::defs::stream_n::base_not_unreadable_istream_t	pure virtual
operator bool()	elc::defs::stream_n::base_not_unreadable_istream_t	inlineexplicitvirtual
read(byte *buf, size_t size)=0	elc::defs::stream_n::data_not_unreadable_istream_t	pure virtual
read(T *v, size_t size=1)	elc::defs::stream_n::data_not_unreadable_istream_t	inline
seek(seek_type, int_t)=0	elc::defs::stream_n::base_stream_t	pure virtual
seek_to(int_t)=0	elc::defs::stream_n::base_stream_t	pure virtual
sync()=0	elc::defs::stream_n::base_stream_t	pure virtual
tell()	elc::defs::stream_n::base_stream_t	inlinevirtual
unread(const byte *buf, size_t size)=0	elc::defs::stream_n::data_istream_t	pure virtual
unread(const T *v, size_t size=1)	elc::defs::stream_n::data_istream_t	inline
waitting_for_data()=0	elc::defs::stream_n::base_not_unreadable_istream_t	pure virtual
write(const byte *buf, size_t size)=0	elc::defs::stream_n::data_ostream_t	pure virtual
write(const T *v, size_t size=1)	elc::defs::stream_n::data_ostream_t	inline
~base_stream_t()=default	elc::defs::stream_n::base_stream_t	virtual