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From: gwyn%brl-vld@sri-unix.UUCP
Newsgroups: net.unix-wizards
Subject: Re:  Please use NULL instead of 0 whenever you have a pointer!
Message-ID: <16006@sri-arpa.UUCP>
Date: Thu, 26-Jan-84 09:44:35 EST
Article-I.D.: sri-arpa.16006
Posted: Thu Jan 26 09:44:35 1984
Date-Received: Sun, 5-Feb-84 11:44:51 EST
Lines: 6

From:      Doug Gwyn (VLD/VMB) 

The final argument to execl(2) should not be documented as 0,
that's left over from the days when it didn't matter.  The only
sane thing for the terminator to be is a (char *)0, for uniformity
with the argument list.