INT 7F - Alloy MW386 - READ RESTRICTED DIRECTORY ENTRY FOR GROUP                
	AH = F3h
	AL = group number
	CX = entry number
	ES:DI -> 64-byte buffer
Return: CF clear if successful
	    CX = next entry number
	    buffer filled with 63-byte directory info and 1-byte group number
	CF set on error (no more matching entries)
Note:	like AH=F2h, but only returns directories belonging to the specified
	  group
SeeAlso: AH=F2h