INT 21 - Novell NetWare - MESSAGE SERVICES - ENABLE BROADCAST MESSAGES          
	AH = E1h subfn 03h
	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=02h,AH=E1h/SF=04h,AH=E1h/SF=09h
SeeAlso: AX=F215h/SF=03h


Format of NetWare "Enable Broadcast Messages" request buffer:
Offset	Size	Description	(Table 01824)
 00h	WORD	0001h (length of following data)
 02h	BYTE	03h (subfunction "Enable Broadcast Messages")
SeeAlso: #01825,#01823


Format of NetWare "Enable/Disable Broadcast Messages" reply buffer:
Offset	Size	Description	(Table 01825)
 00h	WORD	(call) 0000h (no data returned)
SeeAlso: #01824,#01823