INT 21 - Novell NetWare - CLEAR PHYSICAL RECORD                                 
	AX = F21Eh
	CX = length of request packet in bytes
	DX = 0000h (no reply packet)
	DS:SI -> request packet (see #02278)
	ES:DI ignored
Return: AX = status (see #02860 at INT 2F/AX=7A20h/BX=0000h)
SeeAlso: AH=5Ch,AH=BEh"NetWare",AH=F2h"Novell",AX=F20Bh,AX=F21Fh


Format of NetWare "Clear Physical Record" request packet:
Offset	Size	Description	(Table 02278)
 00h	BYTE	reserved for future use
 01h  6 BYTEs	NetWare file handle
 07h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	starting offset of locked region
 0Bh	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	length of locked region
SeeAlso: #02279