Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!news.chainon-marquant.org!nntpfeed.proxad.net!proxad.net!feeder1-1.proxad.net!198.186.194.247.MISMATCH!news-out.readnews.com!transit3.readnews.com!postnews.google.com!news1.google.com!Xl.tags.giganews.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local2.nntp.dca.giganews.com!nntp.earthlink.com!news.earthlink.com.POSTED!not-for-mail NNTP-Posting-Date: Thu, 01 Dec 2011 10:10:42 -0600 Message-ID: <4ED7A703.4658@mindspring.com> Date: Thu, 01 Dec 2011 11:10:43 -0500 From: pete Reply-To: pfiland@mindspring.com Organization: PF X-Mailer: Mozilla 3.04Gold (WinNT; I) MIME-Version: 1.0 Newsgroups: comp.lang.c Subject: Re: Type interchange References: <4ED6AE65.8050901@verizon.net> <4ED6C5F0.1080608@verizon.net> <0.041cc3761d33f47105cd.20111201030905GMT.87d3c9ouni.fsf@bsb.me.uk> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 17 X-Usenet-Provider: http://www.giganews.com NNTP-Posting-Host: 4.154.216.66 X-Trace: sv3-YkcbLPjmDgI6G0Tg+CeMNeCRaT0qGKfQeybMhzLw2lJDadND+pNyJXIWymD9zQkd1PPcrYBDtTgGLib!hLjoXyBROZNMFiFh6JuxaETUJMMmo1Rm34w0gR/yOoEJeMJ1QFofbFVhRC0YOHPcMVzc5dkmSJm8!DfpRhjZl5A== X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 X-Original-Bytes: 1738 Xref: x330-a1.tempe.blueboxinc.net comp.lang.c:14170 James Kuyper wrote: > Some people prefer to describe this by saying that if there's any > possible conforming implementation > where the behavior is undefined, then > the behavior is undefined, period, even on other implementations where > the condition that makes it undefined isn't true - but I find that > interpretation incoherent. That way, whether or not a program contains undefined behavior is a property of the C program, and not a property of the combination of the implementation and C program. -- pete