at_end_of_lineat_end_of_line(+S)at_end_of_stream ISOat_end_of_stream(+S) ISOflush_output ISOflush_output(+S) ISOget_byte(-C) ISOget_byte(+S,-C) ISOget_char(-C) ISOget_char(+S,-C) ISOget_code(-C) ISOget_code(+S,-C) ISOnl ISOnl(+S) ISOpeek_byte(+C) ISOpeek_byte(+S,+C) ISOpeek_char(+C) ISOpeek_char(+S,+C) ISOpeek_code(+C) ISOpeek_code(+S,+C) ISOput_byte(+C) ISOput_byte(+S,+C) ISOput_char(+C) ISOput_char(+S,+C) ISOput_code(+C) ISOput_code(+S,+C) ISOskip_byte(+C)skip_byte(+S,+C)skip_char(+C)skip_char(+S,+C)skip_code(+C)skip_code(+S,+C)skip_lineskip_line(+S)