Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!snorkelwacker.mit.edu!paperboy!hsdndev!cmcl2!kramden.acf.nyu.edu!brnstnd
From: brnstnd@kramden.acf.nyu.edu (Dan Bernstein)
Newsgroups: comp.lang.c
Subject: Re: One more point regarding = and == (more flamage)
Message-ID: <7318:Mar2622:58:0391@kramden.acf.nyu.edu>
Date: 26 Mar 91 22:58:03 GMT
References: <925@isgtec.UUCP> <1991Mar26.180311.29125@rlgvax.Reston.ICL.COM>
Organization: IR
Lines: 13

In article <1991Mar26.180311.29125@rlgvax.Reston.ICL.COM> scc@rlgvax.OPCR.ICL.COM (Stephen Carlson) writes:
> 	while (*s++ == *t++)
> 		;
> is not well set up to compare two arrays.

Actually, sentinels are among the fastest ways to do a linear search
without wasting noticeable extra space.

> Statement (b) is suspicious, rare, and useless.

You are exaggerating.

---Dan