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Path: utzoo!watmath!clyde!burl!ulysses!allegra!bellcore!decvax!genrad!john
From: john@genrad.UUCP (John Nelson)
Newsgroups: net.unix
Subject: Re: Which *nix ? BSD : System V
Message-ID: <690@genrad.UUCP>
Date: Tue, 26-Feb-85 12:02:24 EST
Article-I.D.: genrad.690
Posted: Tue Feb 26 12:02:24 1985
Date-Received: Fri, 1-Mar-85 20:57:40 EST
References: <147@rtech.ARPA> <492@rlgvax.UUCP> <5068@elsie.UUCP>
Reply-To: john@genrad.UUCP (John Nelson)
Distribution: net
Organization: GenRad, Inc., Bolton, Mass.
Lines: 7

In article <5068@elsie.UUCP> ado@elsie.UUCP (Arthur David Olson) writes:
>An alternative might be to include "sys/ioctl.h", which is present on 4.1bsd,
>4.2bsd, and System III.  If it's also present on System V (and the Berkeley
>FIONREAD ioctl call hasn't been picked up AT&T) you're in good shape.

NO!  Unisoft ports of System III and System V have implemented the FIONREAD
ioctl call (good thing, too - really helps porting some programs!).