A/UX® System Administrator's Reference Sections 1M, 7, and 8

streams(7) streams(7)
/etc/line_sane(IM) is a utility that can be run from shell
scripts (such as those started from /etc/inittab(4». It takes
one parameter, an integer representing an open file descriptor on
which the line discipline is to be pushed. It behaves similarily to
line yush(3) above.
Further Functionality
The following extensions are provided to the streams system.
They are not necessarily provided with other streams implementations
and should not be used if portability is important.
select(2) allows a process to wait for input from
more than one open device, socket or
stream
FIONBIO
FIONASYNC
FIONREAD
allows a process to make non blocking
reads to a stream (see termio(7)
sends a SIGIO signal to a process when
input is available from the queue (see
termio(7»
returns the number of characters available
to be read from the stream head
(this is different from I NREAD
above) (see termio(7»
SEE ALSO
line sane(1M), close(2), ioctl(2), open(2), read(2),
select(2), wri te(2), line yush(3).
Building AIUX Device Drivers.
7
February, 1990
RevisionC