717 } _PyChannelState;  typedef
719 static _PyChannelState *
722     _PyChannelState *chan = PyMem_NEW(_PyChannelState, 1);  in _channel_new()
750 _channel_free(_PyChannelState *chan)  in _channel_free()
763 _channel_add(_PyChannelState *chan, int64_t interp,  in _channel_add()
788 _channel_next(_PyChannelState *chan, int64_t interp)  in _channel_next()
815 _channel_close_interpreter(_PyChannelState *chan, int64_t interp, int end)  in _channel_close_interpreter()
837 _channel_close_all(_PyChannelState *chan, int end, int force)  in _channel_close_all()
871     _PyChannelState *chan;
877 _channelref_new(int64_t id, _PyChannelState *chan)  in _channelref_new()
965 static _PyChannelState *
968     _PyChannelState *chan = NULL;  in _channels_lookup()
998 _channels_add(_channels *channels, _PyChannelState *chan)  in _channels_add()
1029 _channels_close(_channels *channels, int64_t cid, _PyChannelState **pchan,  in _channels_close()
1091                      _PyChannelState **pchan)  in _channels_remove_ref()
1108 _channels_remove(_channels *channels, int64_t id, _PyChannelState **pchan)  in _channels_remove()
1166         _PyChannelState *chan = NULL;  in _channels_drop_id_object()
1257     _PyChannelState *chan = _channel_new();  in _channel_create()
1272     _PyChannelState *chan = NULL;  in _channel_destroy()
1292     _PyChannelState *chan = _channels_lookup(channels, id, &mutex);  in _channel_send()
1338     _PyChannelState *chan = _channels_lookup(channels, id, &mutex);  in _channel_recv()
1372     _PyChannelState *chan = _channels_lookup(channels, id, &mutex);  in _channel_drop()
1394     _PyChannelState *chan = _channels_lookup(channels, cid, NULL);  in _channel_is_associated()