Category: <b>security</b>
<p>
<pre><b>INT 21 - Trusted Access - NB.SYS - GET STATE</b>

	AH = 3Fh
	BX = file handle for device "$$NB$$NB"
	CX = 0002h (size of state)
	DS:DX -&gt; buffer for state record (see <a href=../../it/14/14.html>#01414</a>)
Return: CF clear if successful
	    AX = number of bytes actually read (0 if at EOF before call)
	CF set on error
	    AX = error code (05h,06h) (see <a href=../../it/80/16.html>#01680</a> at AH=59h/BX=0000h)
Program: Trusted Access is a security and access-control package by Lassen
	  Software, Inc.; NB.SYS is a device driver to prevent the user from
	  terminating CONFIG.SYS or AUTOEXEC.BAT with Ctrl-Break
SeeAlso: AH=40h"NB.SYS",AX=4101h

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