Format of NetWare File Usage Information Record:
Offset	Size	Description	)
 00h	WORD	(big-endian) logical connection number
 02h	BYTE	task number
 03h	BYTE	lock flags (see #02048)
 04h	BYTE	access flags (see #02049)
 05h	BYTE	lock type
		00h no lock
		FEh file lock
		FFh locked by Begin Share File Set