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From: gwyn@brl-tgr.ARPA (Doug Gwyn <gwyn>)
Newsgroups: net.lang.c
Subject: Re: Pointer Trouble Right Here in Unix City
Message-ID: <11102@brl-tgr.ARPA>
Date: Tue, 28-May-85 16:49:08 EDT
Article-I.D.: brl-tgr.11102
Posted: Tue May 28 16:49:08 1985
Date-Received: Thu, 30-May-85 02:39:03 EDT
References: <179@gatech.CSNET>
Distribution: net
Organization: Ballistic Research Lab
Lines: 15

> 			*(*argv + 2) ? *argv += 2 : argv++;

cond ? expr1 : expr2

If expr1 and expr2 are both pointers, they must have the same type.
(Section C.3.15 of ANSI X3J11/85-008)

You could write
	*(*argv + 2) ? (*argv += 2) : *(argv++);
but this is hardly the most readable code in any case.

P.S.  Consider using the public-domain getopt() that I posted
a while back.  (You can easily disable the checks that preclude
-xargument style options in favor of -x argument.  I think those
restrictions in the spec are pretty silly anyway.)