; Set up variables for communications protocol in file 3.4
; In:
; XMCHAN - Name of the communications protocol
; Out:
; XMCHAN - IEN of the communications protocol
; XMPROT - Name of the communications protocol
; XMSEN - Xecute this variable to send a line
; XMREC - Xecute this variable to receive a line
; XMOPEN - Xecute this variable to open the channel
; XMCLOSE - Xecute this variable to close the channel
; XMOS - Operating System, used in ^XMLTCP