Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!utgpu!water!watmath!clyde!rutgers!sri-spam!ames!ucbcad!ucbvax!decvax!decwrl!sun!gorodish!guy
From: guy@gorodish.UUCP
Newsgroups: news.software.b,comp.lang.c
Subject: Re: News for Xenix on PC AT ?
Message-ID: <17439@sun.uucp>
Date: Mon, 27-Apr-87 14:40:24 EDT
Article-I.D.: sun.17439
Posted: Mon Apr 27 14:40:24 1987
Date-Received: Wed, 29-Apr-87 00:47:50 EDT
References: <18346@ucbvax.BERKELEY.EDU> <145@sds.UUCP> <17005@sun.uucp> <146@sds.UUCP> <5787@brl-smoke.ARPA> <1418@ho95e.ATT.COM>
Sender: news@sun.uucp
Reply-To: guy@sun.UUCP (Guy Harris)
Organization: Sun Microsystems, Mountain View
Lines: 7
Xref: utgpu news.software.b:535 comp.lang.c:1861

>Be careful saying this: it's only correct when you're using NULL in
>	if (charptr == NULL)

Or if you're declaring and defining functions with prototype
arguments, which the ANSI C standard (which Doug referred to) permits
and recommends.  If you use prototype arguments, the compiler will
convert 0 or (void *)0 to the proper type.