FUNC_BIND(freechan, freechan_func_t, BIND_TYPE_FREECHAN)
FUNC_UNBIND(freechan, freechan_func_t, BIND_TYPE_FREECHAN)
FUNC_EVENT(freechan, freechan_func_t, BIND_TYPE_FREECHAN, (struct ChanNode *chan), (chan))
FUNC_BIND(freechan, freechan_func_t, BIND_TYPE_FREECHAN)
FUNC_UNBIND(freechan, freechan_func_t, BIND_TYPE_FREECHAN)
FUNC_EVENT(freechan, freechan_func_t, BIND_TYPE_FREECHAN, (struct ChanNode *chan), (chan))