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From: ark@alice.UucP (Andrew Koenig)
Newsgroups: net.lang.c
Subject: Re: *p++ = *p results?
Message-ID: <5164@alice.uUCp>
Date: Sun, 23-Mar-86 21:26:43 EST
Article-I.D.: alice.5164
Posted: Sun Mar 23 21:26:43 1986
Date-Received: Tue, 25-Mar-86 03:27:21 EST
References: <312@imagen.UUCP>
Organization: Bell Labs, Murray Hill
Lines: 7

> In the statement *p++ = *p; what will be the result?  Will p be equal
> to itself or will p be equal to the next value it is pointing to?
> In other words should p be incremented after it is evaluated or should
> p be incremented after the assignment operation is finished?-- 

This is undefined, because the implementation is permitted to evaluate
either side of the assignment first.