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From: geoff@ISM780.UUCP
Newsgroups: net.lang.c
Subject: Re: Character-type macro question
Message-ID: <102@ISM780.UUCP>
Date: Sat, 23-Feb-85 00:37:27 EST
Article-I.D.: ISM780.102
Posted: Sat Feb 23 00:37:27 1985
Date-Received: Mon, 25-Feb-85 01:37:07 EST
Lines: 9
Nf-ID: #R:oddjob:0:ISM780:30000001:000:448
Nf-From: ISM780!geoff    Feb 21 19:30:00 1985

> Can anybody tell me what sort of characters the ctype macro 'isxdigit'
> selects?  This appears to be undocumented in BSD4.2.
	The hint is in the _x_.  I presumed (and my manual agreed), that
        it returns true for Hex digits, i.e. 0-9, a-f & A-F, and false
        for any othe argument.  It IS documented in our IS/3 manual, and
        in the PC/IX manual as well.

		 Geoffrey Kimbrough -- INTERACTIVE Systems Corp.
				ima!ism780!geoff