Format of VINES socket address for unreliable datagrams:
Offset	Size	Description	)
 00h	WORD	0003h	  address family
 02h	DWORD	FFFFFFFFh network number
 06h	WORD	FFFFh	  subnet number
 08h	WORD		  local port number
 0Ah	BYTE	00h-0Fh	  hop count
 0Bh  5 BYTEs	0000h	  filler
SeeAlso: #03328