Category: <b>network</b>
<p>
<pre><b>INT 2F - PC LAN PROGRAM REDIRIFS.EXE internal - INSTALLATION CHECK</b>

	AX = BF00h
Return: AL = FFh if installed
Note:	this function is also supported by NetSoft's DOS-NET v1.20+; however,
	  none of the remaining BFxxh calls are supported
SeeAlso: AX=BF01h,AX=BF80h,INT 2A/AX=4147h
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