Nick Mathewson 46ee061ca0 Add a function to change a listener's callback.
You can also now initialize listeners with no callbacks set; if so,
they won't get enabled until the callback is set to non-NULL.
2010-10-25 11:47:05 -04:00
..
2010-08-06 20:21:27 -04:00
2010-10-21 15:33:13 -04:00
2010-08-06 20:21:27 -04:00
2010-08-06 20:21:27 -04:00