Date: Fri, 13 Jul 2001 16:56:59 +0300
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Sender: halo1 AT zahav DOT net DOT il
To: "Ramesh Sajja" <sajjaramesh AT usa DOT net>
Message-Id: <2593-Fri13Jul2001165659+0300-eliz@is.elta.co.il>
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CC: djgpp AT delorie DOT com
In-reply-to: <9wz37.445$a04.1454@newsfeeds.bigpond.com> (sajjaramesh@usa.net)
Subject: Re: memory sharing
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> From: "Ramesh  Sajja" <sajjaramesh AT usa DOT net>
> Newsgroups: comp.os.msdos.djgpp
> Date: Fri, 13 Jul 2001 18:01:38 +0800
> 
> I'm a new user to the djgpp & c programming. could any one please tell me
> how to share memory between two djgpp programs. basically I want to pass a
> struct pointer from say prog1 to prog2, sothat prog2 can use that structure
> data.

One easy way is to put the data into conventional memory, and then
pass the segment:offset pair to the other program.  Access to
conventional memory is possible with the dosmemget and dosmemput
library functions.