__hal_channel_dtr_try_complete
__hal_channel_dtr_try_complete(xge_hal_channel_h channelh, xge_hal_dtr_h *dtrh);
__hal_channel_dtr_try_complete(channelh, dtrh);
__hal_channel_dtr_try_complete(channelh, &dtrh);
__hal_channel_dtr_try_complete(channelh, dtrh);
__hal_channel_dtr_try_complete(ring, dtrh);
__hal_channel_dtr_try_complete(ring, &dtrh);