From 8910211377027706932 X-Google-Thread: f78e5,affed1ff1aaec0cc X-Google-Attributes: gidf78e5,public X-Google-Language: ENGLISH,ASCII Path: g2news2.google.com!news4.google.com!news3.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp.dca.giganews.com!nntp.speakeasy.net!news.speakeasy.net.POSTED!not-for-mail NNTP-Posting-Date: Wed, 17 May 2006 01:10:04 -0500 Return-Path: X-Authentication-Warning: mulga.cs.mu.OZ.AU: fjh set sender to devnull@stump.algebra.com using -f X-Robomod: STUMP, ichudov@algebra.com (Igor Chudov) X-Original-To: std-c++@mailman.ucar.edu Delivered-To: std-c++@mailman.ucar.edu Delivered-To: std-c++@ucar.edu Newsgroups: comp.std.c++ Subject: return c - c; From: "Tom�s" References: <9pI8g.9044$j7.305259@news.indigo.ie> <4467E837.3070908@usq.edu.au> <1147689443.069036.37370@i39g2000cwa.googlegroups.com> <1147752080.707405.193860@v46g2000cwv.googlegroups.com> <9P$gtcA52ZaEFwsf@robinton.demon.co.uk> User-Agent: Xnews/4.06.22 Message-ID: X-Complaints-To: abuse@eircom.net Organization: Eircom.Net http://www.eircom.net X-Virus-Scanned: amavisd-new at ucar.edu X-Virus-Scanned: amavisd-new at cs.mu.OZ.AU Approved: Fergus Henderson , moderator of comp.std.c++ X-Virus-Scanned: amavisd-new at cs.mu.OZ.AU X-Amavis-Alert: BAD HEADER Non-encoded 8-bit data (char E1 hex) in message header 'From': From: "Tom\341s" \n Date: Wed, 17 May 2006 01:07:22 CST Lines: 20 NNTP-Posting-Host: 65.182.171.162 X-Trace: sv3-RRMaqIvQnsquZlitrb2Yfc15cRwQyBKSrhY7amEBqnbrWbseOdk4jpH3fjpZyBd9VevEOFI2b2+EwBz!dZ87OEBsrDG4A5WyOaTLIlcX2HyW2rbxUf3mLLvQIlkk3BeyapPSkUYkFA+5Ou6+z6TCVIU6A0Lb!uJKuZBZbW0gDG9zhJKE= X-Complaints-To: abuse@speakeasy.net X-DMCA-Complaints-To: abuse@speakeasy.net 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: 1.3.32 Xref: g2news2.google.com comp.std.c++:2009 >int main(void) >{ > unsigned char c; > return c-c; >} Given that an unsigned char has no invalid bit patterns, there shouldn't be any time, place, system, implementation or platform where this code would return anything other than zero. -Tom�s --- [ comp.std.c++ is moderated. To submit articles, try just posting with ] [ your news-reader. If that fails, use mailto:std-c++@ncar.ucar.edu ] [ --- Please see the FAQ before posting. --- ] [ FAQ: http://www.comeaucomputing.com/csc/faq.html ]