Category: <b>FAX</b>
<p>
<pre><b>INT 11 - RainbowFAX v1.3 - SFENGINE API - OPERATIONAL CONTROL</b>

	AH = 77h
	AL = subfunction
	    01h request SFENGINE start
		Return: AX = 0001h
	    02h check if SFENGINE started
		Return: AX = 0000h or 0001h
	    03h request SFENGINE stop
		Return: AX = 0001h
	    04h check if SFENGINE stopped
		Return: AX = 0000h or 0001h
	    05h installation check
		Return: AX = 0001h
	    06h uninstall???
		BX:DX -&gt; return address for successful uninstall???
		Return: (at caller's address)
			AX = 0000h
	    else
		Return: AX = FFFFh (invalid subfunction)
Return: ES:DX -&gt; ASCIZ signature string "SFAX ENGINE V1.0"
		followed by internal data area???
SeeAlso: AH=78h,AH=79h,AH=7Ah,AH=7Ch
Index:	installation check;RainbowFAX|installation check;SFENGINE
Index:	uninstall;RainbowFAX|uninstall;SFENGINE
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