Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site rabbit.UUCP Path: utzoo!watmath!clyde!burl!ulysses!allegra!alice!rabbit!ark From: ark@rabbit.UUCP (Andrew Koenig) Newsgroups: net.lang.c Subject: yet another null pointer idea Message-ID: <2603@rabbit.UUCP> Date: Tue, 13-Mar-84 14:03:08 EST Article-I.D.: rabbit.2603 Posted: Tue Mar 13 14:03:08 1984 Date-Received: Wed, 14-Mar-84 07:39:21 EST Organization: AT&T Bell Laboratories, Murray Hill Lines: 15 How about: #define Nullp(t) ((t *) 0) You can then write: char *p; ... if (p == Nullp(char)) {...} and also: foo(Nullp(struct bletch));