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From: gwyn@BRL.ARPA (VLD/VMB)
Newsgroups: net.lang.c
Subject: Re:  typedef
Message-ID: <3097@brl-tgr.ARPA>
Date: Mon, 11-Nov-85 00:03:03 EST
Article-I.D.: brl-tgr.3097
Posted: Mon Nov 11 00:03:03 1985
Date-Received: Tue, 12-Nov-85 05:05:54 EST
Sender: news@brl-tgr.ARPA
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> Is the following legal C or not?
>	typedef double POINT[3];
>	typedef double TMATRIX[4][4];

Sure; why not?
(Note that a jmp_buf is a similar typedef.)