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From: decot@hpisod2.UUCP
Newsgroups: comp.lang.c
Subject: Re: boolean function to tell if a key has been pressed
Message-ID: <2550008@hpisod2.HP.COM>
Date: Tue, 24-Mar-87 14:39:26 EST
Article-I.D.: hpisod2.2550008
Posted: Tue Mar 24 14:39:26 1987
Date-Received: Sat, 28-Mar-87 11:39:50 EST
References: <523@thumper.UUCP>
Organization: Hewlett Packard, Cupertino
Lines: 11

> As this points out, the answer is system dependent.  In particular,
> select() exists only on 4.2BSD and V8 derived systems.  (I understand
> System VII ... no, make that System V release 3 [cannot change a
> standard! :-) ] for the Vax has something equivalent, but harder
> to use.)  Under 4.1BSD, one can use the FIONREAD ioctl.  Under
> System III one can fiddle with VTIME or something like that.

Select(2) also exists in HP-UX, a SVID-conforming operating system.

Dave Decot
hpda!decot