Category: <b>virus/antivirus</b>
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<pre><b>INT 13 - PC Tools v8+ VSAFE, VWATCH - API</b>

	AH = FAh
	DX = 5945h
	AL = function (00h-07h)
Return: varies by function
	if not installed:
	    CF set
		AH = 01h
Note:	this API is identical to the ones on INT 16/AH=FAh and INT 21/AH=FAh,
	  so it is listed in its entirety under INT 16/AX=FA00h and following
SeeAlso: INT 16/AX=FA00h
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