Category: <b>resident utilities</b>
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<pre><b>INT 2D - DTown Utilities v1.40+ - UTILITY INSTALLATION CHECK</b>

	AL = 11h
	BL = function
	    00h get number of installed utilities
		Return: BL = number of utilities
	    01h get installed utilities
		DX:DI -&gt; buffer containing one byte for each utility
		Return: DX:DI buffer filled with flags (0=no,1=yes) indicating
			  whether the corresponding utility is loaded
Return: AL = FFh if supported
Note:	this function is only available if the extended API has been installed
	  in the resident portion
SeeAlso: INT 2D/AL=10h"DTown",INT 2D/AL=20h
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