INT 21 - Novell NetWare - MESSAGE SERVICES - DISABLE BROADCAST MESSAGES         
	AH = E1h subfn 02h
	DS:SI -> request buffer (see #01824)
	ES:DI -> reply buffer (see #01825)
Return: AL = error code
Note:	these functions are supported by NetWare 4.0+ but are not listed in
	  NetWare System Calls--DOS; they may be obsolete
SeeAlso: AH=E1h/SF=00h,AH=E1h/SF=03h,AH=E1h/SF=04h,AH=E1h/SF=09h
SeeAlso: AX=F215h/SF=02h


Format of NetWare "Disable Broadcasts" request packet:
Offset	Size	Description	(Table 01823)
 00h	WORD	0001h (length of following data)
 02h	BYTE	02h (subfunction "Enable Broadcast Messages")
SeeAlso: #01824,#01825