INT 21 - Novell NetWare - GET NAMESPACE INFORMATION                             
	AX = F257h subfn 13h
	CX = length of request buffer in bytes
	DX = length of reply buffer in bytes
	DS:SI -> request buffer (see #02403)
	ES:DI -> reply buffer (see #02404)
Return: AX = status (see #02860 at INT 2F/AX=7A20h/BX=0000h)
SeeAlso: AH=F2h"Novell",AX=F257h/SF=12h,AX=F257h/SF=15h


Format of NetWare "Get Namespace Information" request packet:
Offset	Size	Description	(Table 02403)
 00h	BYTE	13h (subfunction "Get Namespace Information")
 01h	BYTE	source name space (see #02387)
 02h	BYTE	destination name space
 03h	BYTE	reserved for future use
 04h	BYTE	volume number
 05h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	directory base
 09h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	namespace information mask
SeeAlso: #02404


Format of NetWare "Get Namespace Information" reply packet:
Offset	Size	Description	(Table 02404)
 00h	var	namespace-specific information
SeeAlso: #02403