Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!mnetor!uunet!seismo!ut-sally!husc6!cmcl2!rutgers!topaz.rutgers.edu!ron
From: ron@topaz.rutgers.edu (Ron Natalie)
Newsgroups: comp.lang.c
Subject: Re: Defining TRUE and FALSE
Message-ID: <13260@topaz.rutgers.edu>
Date: Fri, 10-Jul-87 11:40:00 EDT
Article-I.D.: topaz.13260
Posted: Fri Jul 10 11:40:00 1987
Date-Received: Mon, 13-Jul-87 03:45:32 EDT
References: <13851@watmath.UUCP> <23052@sun.uucp>
Organization: Rutgers Univ., New Brunswick, N.J.
Lines: 10
Keywords: boolean, true, false

FROM CTYPE.H (essentially similar in both System V and BSD):

#define	isupper(c)	((_ctype_+1)[c]&_U)

Guy, just since relational operators are defined to return 0 and 1,
does not mean that all truth values fall in this category.  If it
were, then the conditional expressions would have been trained to
only consider 0 and 1.

-Ron