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Path: utzoo!linus!decvax!harpo!seismo!rlgvax!cvl!umcp-cs!chris
From: chris@umcp-cs.UUCP
Newsgroups: net.lang.c
Subject: Re: & operator
Message-ID: <4260@umcp-cs.UUCP>
Date: Tue, 6-Dec-83 07:37:49 EST
Article-I.D.: umcp-cs.4260
Posted: Tue Dec  6 07:37:49 1983
Date-Received: Fri, 9-Dec-83 02:21:08 EST
References: <162@iwu1a.UUCP>
Organization: Univ. of Maryland, Computer Science Dept.
Lines: 13

Regarding "char *in, *out; ... out = &*in++;":

"&" has meaning only when used before an expression which is an
lvalue.  In this case the expression *is* an lvalue (the character
that "in" used to point to before the increment), so the correct
behaviour would be to assign the old value of "in" to "out".

I would say that unless you feel like proving that the implementation
is (or is not) correct, you should avoid such constructs.
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci
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