From:	Erik Max Francis <max AT alcyone DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: allocating dword aligned memory with __dpmi_allocate_memory
Date:	Tue, 06 Oct 1998 22:52:41 -0700
Organization:	Alcyone Systems
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Message-ID:	<361B01A9.75CC52FD@alcyone.com>
References:	<009301bdf19e$c0093e80$986f19c4 AT default>
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

StefanViljoen,6599 wrote:

> Hey, what does the tilde "~" do here? "+3)&~4) ?
> 
> I've never heard of a tilde opearator - what's it used for? (Newbie
> alert!)

~ is the unary bitwise negation operator.  It flips all the bits in the
operand.

You should get an introductory book on standard C.

-- 
Erik Max Francis / email max AT alcyone DOT com / whois mf303 / icq 16063900 
Alcyone Systems / irc maxxon (efnet) / finger max AT sade DOT alcyone DOT com
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