Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83 (MC840302); site sal.UUCP Path: utzoo!linus!philabs!cmcl2!seismo!mcvax!enea!sal!dg From: dg@sal.UUCP (Dag Gruneau) Newsgroups: net.lang.c Subject: Re: if(p) Message-ID: <575@sal.UUCP> Date: Tue, 5-Nov-85 15:09:52 EST Article-I.D.: sal.575 Posted: Tue Nov 5 15:09:52 1985 Date-Received: Fri, 8-Nov-85 20:55:17 EST References: <1671@brl-tgr.UUCP> <30000017@ISM780.UUCP> Reply-To: @sal.UUCP (Dag Gruneau) Organization: Objecta, Taby, Sweden Lines: 21 In article <4173@mordor.UUCP> jdb@mordor.UUCP (John Bruner) writes: >Pointer to integer coercions are possible (just as conversions >between floating-point and integers are possible). However, >K&R does not guarantee that all integers can be copied into a >pointer. It only guarantees that (given sufficiently large >integers, conversion from pointer to integer to pointer will >return the original pointer. K&R does not guarantee anything. See p. 102, "on most machines a pointer can be assigned to an integer and back without changing it" that's far from a guarantee! -- Dag Gruneau Stockholm, Sweden UUCP: {seismo,decvax,philabs}!mcvax!enea!sal!dg ARPA: decvax!mcvax!enea!sal!dg@berkeley.arpa mcvax!enea!sal!dg@seismo.arpa