Date: Sun, 4 Nov 2001 12:20:52 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Ramesh Sajja <sajjaramesh AT usa DOT net>
cc: djgpp AT delorie DOT com
Subject: Re: c binary files & disk problem
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On Sun, 4 Nov 2001, Ramesh Sajja wrote:

> I'm working on binary files. Does any one know how to  read binary file
> using directly track & sector address. how can I manipulate disk read
> directly using sector &track addresses.

Use the appropriate DOS interrupts via __dpmi_int.  Int 13h and Int 25h 
or 26h come to mind.