Things to do:
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If run forever mode is selected, break out if ctrl-c is pressed
(signal handler)
-> done. If option 5 is selected (run until ctrl-c), than a ctrl-c break out
   of this otherwise endless loop. see sigint.c.

tcpip-socket server to exchange values (ex.e1.0-i1.7 and a1.0-a1.7 or m1.0-1.7)

