[ On Tue, March 12, 1996 at 23:28:20 (-0500), John F. Woods wrote: ]
> Subject: Re: How to translate this stdio code to netbsd? 
>
> And it occurs to me that it might be worth designing a stdio interface which
> "reads" n bytes by returning a pointer and advancing the read pointer by n,
> ASSUMING that there are n bytes available.  One possible approach would be
> to have stdio refuse to refill the buffer until you call back to release
> the pointer, or you could just take your chances if you're foolish enough to
> call read again while you're still interested in the previous data.

It has already been done, IMO.  Take a look at sfio from Vo & Korn @ ATT.

	ftp://netlib.att.com/netlib/attgifts/sfio.shar

There's a possibly newer version available through the WWW interface:

	http://www.research.att.com/orgs/ssr/book/reuse/

One application that already recommends the SFIO interface as a speed
enhancement is INN (unoff-v4 I think).

-- 
							Greg A. Woods

+1 416 443-1734			VE3TCP			robohack!woods
Planix, Inc. <woods@planix.com>; Secrets Of The Weird <woods@weird.com>