Format of NetWare "Remove Extended Trustee From Dir Or File" request packet:
Offset	Size	Description	)
 00h	WORD	length of following data
 02h	BYTE	2Bh (subfunction "Remove Extended Trustee From Dir Or File")
 03h	BYTE	directory handle
 04h	DWORD	trustee's object ID
 08h	BYTE	unused
 09h	BYTE	length of pathname
 0Ah  N BYTEs	directory path in form VOLUME:DIRECTORY/.../DIRECTORY