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From: gwyn@brl-tgr.ARPA (Doug Gwyn <gwyn>)
Newsgroups: net.lang.c
Subject: Re:  if (p) ...
Message-ID: <2108@brl-tgr.ARPA>
Date: Sun, 13-Oct-85 20:09:12 EDT
Article-I.D.: brl-tgr.2108
Posted: Sun Oct 13 20:09:12 1985
Date-Received: Tue, 15-Oct-85 05:08:34 EDT
References: <2098@brl-tgr.ARPA>
Organization: Ballistic Research Lab
Lines: 3

NULL has to be defined as 0 since that is a special value for
pointers (guaranteed by the C language spec), which is just
what NULL is meant to represent.