status.i4.v = net_trn_nodename(namtxt.i1a.r, lnnadr.i2.r)
	Translate the logical node name given by a text string into a logical
	trunk and node value.

	namtxt  text string with the logical node name.

	lnnadr  word in which the logical trunk and node is to be returned.
		The trunk (also known as the LAN id) will be stored in the 
		upper byte of this word.

	This function returns VMS condition codes as follows:

	SS$_NORMAL      success, logical trunk and node returned
	SS$_NOSUCHNODE  failure, name not found in tables