From owner-freebsd-hackers  Wed Jan 21 15:41:25 1998
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From: Darren Reed <avalon@coombs.anu.edu.au>
Subject: Re: uiomove()
To: daniel_sobral@voga.com.br
Date: Thu, 22 Jan 1998 10:39:37 +1100 (EDT)
Cc: hackers@FreeBSD.ORG
In-Reply-To: <83256593.007383CB.00@papagaio.voga.com.br> from "daniel_sobral@voga.com.br" at Jan 21, 98 06:06:08 pm
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In some mail from daniel_sobral@voga.com.br, sie said:
> 
> 
> Still more questions. I'm a bottomless pit of them. :-)
> 
> Can I make multiple uiomove()'s? Or, more to the point (as I should have
> done, anyway :), I'm using a circular buffer, and this means some read()'s
> or write()'s may only be completed up to the size requested by making two
> consecutive uiomove()'s. How can I do this? Does uiomove()'s update uio
> structure, should I do it myself, or what?

uiomove() may be called multiple times - it updates the uio struct itself.