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From: Doug Gwyn (VLD/VMB) 
Newsgroups: net.lang.c
Subject: Re:  parens around sizeof arg
Message-ID: <8052@brl-tgr.ARPA>
Date: Tue, 5-Feb-85 16:23:31 EST
Article-I.D.: brl-tgr.8052
Posted: Tue Feb  5 16:23:31 1985
Date-Received: Sun, 10-Feb-85 03:33:03 EST
Sender: news@brl-tgr.ARPA
Organization: Ballistic Research Lab
Lines: 2

sizeof is a unary op, not a function.
sizeof thing and sizeof(type) are quite different.