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Date: Wed, 11 Sep 2013 16:01:26 -0400
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From: DJ Delorie <dj AT delorie DOT com>
To: djgpp AT delorie DOT com
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	(nospam AT nospam DOT org)
Subject: Re: Exact size hdd
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I don't think there's such a function.  You'd need to read and parse
the partition tables on the hard drive to get that info.

The best you can do is the size of the whole hard drive, which is a BIOS
function:  http://www.delorie.com/djgpp/doc/libc/libc_71.html

Note that these BIOS calls are only reliable for smaller disk drives;
there's a limit to how large a disk can be and still fit into the BIOS
parameters, and today's disks are often bigger than that limit.