INT 21 O - Novell NetWare - END LOGICAL FILE LOCKING                            
	AH = C9h
Return: AL = error code
Desc:	used to provide TTS support for applications which are not aware of
	  Novell's Transaction Tracking System
Note:	this function was added in NetWare 4.0, but was removed some time prior
	  to Advanced NetWare 2.15, and is no longer listed in current Novell
	  documentation
SeeAlso: AH=C8h