INT 21 - Novell NetWare - READ EXTENDED ATTRIBUTE                               
	AX = F256h subfn 03h
	CX = length of request buffer in bytes
	DX = length of reply buffer in bytes
	DS:SI -> request buffer (see #02363)
	ES:DI -> reply buffer (see #02364)
Return: AX = status (see #02860 at INT 2F/AX=7A20h/BX=0000h)
SeeAlso: AH=F2h"Novell",AX=F256h/SF=01h,AX=F256h/SF=04h,AX=F256h/SF=05h


Format of NetWare "Read Extended Attribute" request packet:
Offset	Size	Description	(Table 02363)
 00h	BYTE	03h (subfunction "Read Extended Attribute")
 01h	WORD	flags (see #02372)
 03h  8 BYTEs	extended attribute handle structure (see #02373)
 0Bh	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	read position
 0Fh	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	inspect size
 13h	WORD	key length
 15h  N BYTEs	key
SeeAlso: #02364,#02361


Format of NetWare "Read Extended Attribute" reply packet:
Offset	Size	Description	(Table 02364)
 00h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	error code
 04h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	total extended attribute value length
 08h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	new extended attribute handle
 0Ch	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	access flag
 10h	WORD	value length
 12h  N BYTEs	EA value
SeeAlso: #02363