Message-Id:	<200006261645.LAA25509@darwin.sfbr.org>
Date:	Mon, 26 Jun 2000 11:45:44 -0500 (CDT)
From:	Jeff Williams <jeffw AT darwin DOT sfbr DOT org>
Subject:	how does DJGPP check for LFN support?
To:	djgpp AT delorie DOT com
MIME-Version:	1.0
X-Mailer:	dtmail 1.3.0 @(#)CDE Version 1.3.4 SunOS 5.7 sun4u sparc
Reply-To:	djgpp AT delorie DOT com

How does djgpp check for LFN support, and how does it decide to use
short file names?  Do all the INT 21/AX=0x71xx functions need to be
supported, or just some critical few?

I'm asking because I'm mucking about with an asm-level LFN TSR for a
pure DOS 5.0 + djgpp environment.  I thought I would implement all the
TSR infrastructure first, and just reflect any INT 21/AX=0x71xx calls
back to their SFN equivalents.  Later I'll start adding the LFN support.

TIA---jtw

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