INT 21 - Novell NetWare - MESSAGE SERVICES - GET BROADCAST MESSAGE (OLD)
	AH = E1h subfn 01h
	DS:SI -> request buffer (see #01821)
	ES:DI -> reply buffer (see #01822)
Return: AL = status
	    00h successful
	    FCh full message queue
	    FEh out of dynamic workspace
Note:	this function is supported by NetWare 4.0+ and Advanced NetWare 1.0+
SeeAlso: AH=DEh/DL=04h,AH=E1h/SF=00h,AH=E1h/SF=05h,AH=E1h/SF=09h
SeeAlso: AX=F215h/SF=01h,AX=F215h/SF=0Bh


Format of NetWare "Get Broadcast Message" request buffer:
Offset	Size	Description	(Table 01821)
 00h	WORD	0001h (length of following data)
 02h	BYTE	01h (subfunction "Get Broadcast Message")
SeeAlso: #01822,#02109


Format of NetWare "Get Broadcast Message" reply buffer:
Offset	Size	Description	(Table 01822)
 00h	WORD	(call) size of following results buffer (max 38h)
 02h	BYTE	length of message (00h-37h)
		00h if no broadcast messages pending
 03h  N BYTEs	message (no control characters or characters > 7Eh)
SeeAlso: #01821,#02107,#02110