K 10
svn:author
V 3
gnn
K 8
svn:date
V 27
2014-02-03T03:34:36.556992Z
K 7
svn:log
V 190
MFC: 260791

Add a command line argument to turn off blocking waiting for the user
to press Ctrl-C (-b).  This allows tests with tight loops of mcgrabs
that can stress the multicast tables.

END