INT 21 - Novell NetWare - READ EXTENDED NAME SPACE INFO                         
	AX = F257h subfn 1Ah
	CX = length of request buffer in bytes
	DX = length of reply buffer in bytes
	DS:SI -> request buffer (see #02414)
	ES:DI -> reply buffer (see #02415)
Return: AX = status (see #02860 at INT 2F/AX=7A20h/BX=0000h)
SeeAlso: AH=F2h"Novell",AX=F257h/SF=18h,AX=F257h/SF=19h,AX=F257h/SF=1Bh


Format of NetWare "Read Extended Name Space Info" request packet:
Offset	Size	Description	(Table 02414)
 00h	BYTE	1Ah (subfunction "Read Extended Name Space Info")
 01h	BYTE	name space (see #02387)
 02h	BYTE	volume number
 03h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	directory base
 07h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	huge mask
 0Bh 16 BYTEs	huge state information
SeeAlso: #02415


Format of NetWare "Read Extended Name Space Info" reply packet:
Offset	Size	Description	(Table 02415)
 00h 16 BYTEs	next huge state information
 10h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	huge data length
 14h  N BYTEs	huge data
SeeAlso: #02414