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Date: Thu, 6 Dec 2001 01:24:18 -0800 (PST)
From: ROLAND <roland_asmann AT yahoo DOT com>
Subject: Re: Serial Communicaton
To: djgpp AT delorie DOT com
Cc: eliz AT is DOT elta DOT co DOT il
In-Reply-To: <7263-Wed05Dec2001193728+0200-eliz@is.elta.co.il>
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--- Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> wrote:
> > Where are these Filesystem Extensions for?
> 
> They are part of the DJGPP library, and are
> documented in the library
> reference manual.  From the shell prompt, type this:
> 
>    info libc alpha "File System"
> 
> and read there.
 
I don't seem to have info...
Is this an external package I can download? If so,
which package contains this?

> > And why do I need them?
> 
> You need them because DOS doesn't allow you to do
> with communication
> ports what Unix does.  For example, on Unix one can
> call the functions
> `ioctl' to send commands to the communications
> device driver, e.g. to
> change the baudrate.  This cannot be done on DOS. 
> So you need a means
> to catch the library calls which use a specific file
> handle (the one
> you open to the communication port) and redirect
> those calls to the
> functions from the async communication library. 
> That's what
> Filesystem Extensions allows you to do.

All of how to do this can be found from the info-thing
mentioned above??
I also got the files you mentioned...
Which functions do I have to take a close look at??


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