int canqueue_ends_filt_conjuction(struct canque_ends_t *qends, struct canfilt_t *filt);
+int canqueue_ends_flush_inlist(struct canque_ends_t *qends);
+
+int canqueue_ends_flush_outlist(struct canque_ends_t *qends);
+
/* edge reference and traversal functions */
void canque_edge_do_dead(struct canque_edge_t *edge, int dead_fl);