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From: "MikeC" <My_address AT end DOT of DOT post>
Newsgroups: comp.os.msdos.djgpp
References:  <B1EIi.52071$rr5 DOT 11613 AT newsfe1-win DOT ntli DOT net> <200709210020 DOT l8L0KG9G026658 AT envy DOT delorie DOT com>
Subject: Re: How to copy a file?
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Date: Fri, 21 Sep 2007 00:39:10 GMT
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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

DJ, now that you've got me thinking in that direction, I have just noticed 
_dos_read and _dos_write.
They say they don't do any conversion, so that suggests that fread and 
fwrite does.
Would they be preferable to read/write, or _read and _write?

Thanks again,

Mike.

"DJ Delorie" <dj AT delorie DOT com> wrote in message 
news:200709210020 DOT l8L0KG9G026658 AT envy DOT delorie DOT com...
>
> I think you're doing it the right way, just keep in mind that DJGPP
> programs have to move all that data back and forth between DOS memory
> and DPMI memory.
>
> You might want to use open/read/write/close instead of
> fopen/fread/fwrite/fclose though.
>
> Or, even faster, _read and _write, although then you have to deal with
> all the odd DOS border cases.  That does bypass the CRLF code, even
> though you've disabled it there's still a check to see if it's enabled
> for each read/write.