INT 6F - 10NET - RECEIVE                                                        
	AH = 05h
	CX = number of seconds before timeout
	DS:DX -> receive buffer (see #03761)
Return: CF clear if successful
	    AH = FEh if dequeued message is a CB message
	CF set on error
	    AX = error code (see #03740)
SeeAlso: AH=04h"10NET"


Format of 10NET receive buffer:
Offset	Size	Description	(Table 03761)
 00h 12 BYTEs	sending node's ID
 0Ch	WORD	length of message
 0Eh  N BYTEs	message (maximum 1024 bytes)