chiark - git - richardk - udptest.git/commit

author	Richard Kettlewell <rjk@greenend.org.uk>
	Tue, 3 Apr 2012 08:57:57 +0000 (09:57 +0100)
committer	Richard Kettlewell <rjk@greenend.org.uk>
	Tue, 3 Apr 2012 08:57:57 +0000 (09:57 +0100)
commit	ff4ab54f783252740ddb46a6839bdeaaf7746688
tree	882a7f0eef8a06303005747d4aac34ee7218861b	tree \| snapshot
parent	324cceee920c0fc3e9d80e0d90106104514c98ba	commit \| diff

Usage and flushing

Add a usage message to udplisten.
Add a flush to udplisten, so its output appears instantly in logfiles.