Get or set command line options for a running translator.

See translators.

Open Issues

Not all translators support fsysopts:

IRC, freenode, #hurd, 2013-05-23

<braunr> work around this by using showtrans
<braunr> fsysopts asks the server itself how it's running, usually giving
  its command name and options
<braunr> showtrans asks the parent how it starts a passive translator
  attached to the node
<gnu_srs> Yes showtrans works :), thanks.