30 Input/output library [input.output]

30.6 Stream buffers [stream.buffers]

30.6.3 Class template basic_­streambuf [streambuf]

30.6.3.2 basic_­streambuf public member functions [streambuf.members]

30.6.3.2.2 Buffer management and positioning [streambuf.buffer]

basic_streambuf* pubsetbuf(char_type* s, streamsize n);

pos_type pubseekoff(off_type off, ios_base::seekdir way, ios_base::openmode which = ios_base::in | ios_base::out);

pos_type pubseekpos(pos_type sp, ios_base::openmode which = ios_base::in | ios_base::out);

int pubsync();