Format of NetWare "Log File" request packet:
Offset	Size	Description	)
 00h	BYTE	directory handle
 01h	BYTE	lock flag
		00h log only
		01h log and lock
 02h	WORD	lock timeout in clock ticks (0000h = don't wait)
 04h	BYTE	length of filename
 05h  N BYTEs	filename