INT 21 - Novell NetWare - GENERATE DIRECTORY BASE AND VOLUME NUMBER             
	AX = F257h subfn 16h
	CX = length of request buffer in bytes
	DX = length of reply buffer in bytes
	DS:SI -> request buffer (see #02407)
	ES:DI -> reply buffer (see #02408)
Return: AX = status (see #02860 at INT 2F/AX=7A20h/BX=0000h)
SeeAlso: AH=F2h"Novell",AX=F257h/SF=15h,AX=F257h/SF=17h


Format of NetWare "Generate Directory Base and Volume Number" request packet:
Offset	Size	Description	(Table 02407)
 00h	BYTE	16h (subfunction "Generate Directory Base and Volume Number")
 01h	BYTE	name space (#02802)
 02h  3 BYTEs	reserved for future use
 05h		NetWare HandleA short identifier, usually a small integer or a pointer, for some other object which is maintained or controlled by the operating system or environment; a particular handle may be valid system-wide or may have meaning only for a particular process.	 See also File Handle./Path structure (see #02376)
SeeAlso: #02408


Format of NetWare "Generate Directory Base and Volume Number" reply packet:
Offset	Size	Description	(Table 02408)
 00h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	namespace directory base
 04h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	DOS directory base
 08h	BYTE	volume number
SeeAlso: #02407