Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!dptg!att!cbnewsl!mpl
From: mpl@cbnewsl.ATT.COM (michael.p.lindner)
Newsgroups: comp.lang.c
Subject: Re: comma operator
Summary: For the Record
Message-ID: <1377@cbnewsl.ATT.COM>
Date: 4 Aug 89 15:50:38 GMT
References: <10099@mpx2.mpx.com> <93@microsoft.UUCP> <10100@mpx2.mpx.com> <3287@ohstpy.mps.ohio-state.edu>
Organization: AT&T Bell Laboratories
Lines: 27

In article <3287@ohstpy.mps.ohio-state.edu>, SMITHJ@ohstpy.mps.ohio-state.edu writes:
> In article <1351@cbnewsl.ATT.COM>, mpl@cbnewsl.ATT.COM (michael.p.lindner) writes:
> > Sigh.  RTFM!  The comma operator guarantees left to right evaluation,
> 
> Maybe I'm mistaken, but I'm sure that all the documentation I've read warns
> that the *comma* operator ----does not----- guarantee evaluation in any order.
> Specifically, the Microsoft 5.0 manual mentions this.
> 
> /* Jeffery G. Smith, BS-RHIT (AKA Doc. Insomnia, WMHD-FM)       *

Then
	a) you haven't read K&R (original or second edition)
	b) you haven't read the ANSI standard

since these all state specifically that the comma operator evaluates left
to right.

corollary
	MSC 5.0 doesn't follow either K&R or ANSI C standard

I stand by my original statement.

Mike Lindner
attunix!mpl
AT&T Bell Laboratories
190 River Rd.
Summit, NJ 07901