Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!att!ulysses!andante!alice!ark
From: ark@alice.UUCP (Andrew Koenig)
Newsgroups: comp.lang.c
Subject: Re: Another silly question
Message-ID: <9372@alice.UUCP>
Date: 18 May 89 13:45:47 GMT
References: <17812@cup.portal.com> <2336@Portia.Stanford.EDU>
Organization: AT&T Bell Laboratories, Liberty Corner NJ
Lines: 14

In article <2336@Portia.Stanford.EDU>, mesmo@Portia.Stanford.EDU (Chris Johnson) writes:

> 	When "+" denotes simple (ie int/float/etc) arithmetic, the
> 	operation commutes; when it denotes pointer arithmetic,
> 	commutation is not legal/meaningful.

Yes it is.  Addition of integers and pointers is commutative.

> 	The statement that *(a+i) == *(i+a) is therefore invalid.

No, the statment is true.
-- 
				--Andrew Koenig
				  ark@europa.att.com