Format of NetWare "Scan Salvageable Files (Old)" request packet:
Offset	Size	Description	)
 00h	WORD	length of following data
 02h	BYTE	1Bh (subfunction "Scan Salvageable Files (Old)")
 03h	BYTE	directory handle
 04h	DWORD	last sequence number (set to FFFFFFFFh before first call)
SeeAlso: #02124,#02399