Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!ficc!peter
From: peter@ficc.uu.net (Peter da Silva)
Newsgroups: comp.lang.c
Subject: Re: Brain Teaser
Summary: It's possible.
Message-ID: <SWK28T5ficc@ficc.uu.net>
Date: 30 Mar 90 02:01:19 GMT
References: <MCDANIEL.90Mar27200111@rollmops.amara.uucp> <99@demott.COM> <1990Mar29.170608.7565@kfw.COM>
Distribution: na
Organization: Xenix Support, FICC
Lines: 13

swap(x,y,len)
char *x, *y;
size_t len;
{
	while(len>0) {
		*x^=*y; *y^=*x; *x^=*y;
		x++; y++; len--;
	}
}

Usage: swap(x, y, sizeof(x));

Sort of a pyrrhic victory, though.
-- 
 _--_|\  `-_-' Peter da Silva. +1 713 274 5180. <peter@ficc.uu.net>.
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