Format of Connection Manager pattern/reply buffer:
Offset	Size	Description	)
 00h	WORD	length of pattern (30h or 32h)
 02h 16 BYTEs	server pattern or name
 12h 16 BYTEs	group pattern or name
 22h 16 BYTEs	line pattern or name
 23h	BYTE	(optional) ???
 24h	BYTE	(optional, returned) current line status
		00h available
		01h out of service
		02h currently allocated to a connection
Note:	pattern may include '?' wildcard to match any character