-/**
- * Check if the specified node matches the selection criteria.
- *
- * Arguments:
- * node_t *c - the active node
- * node_t *t - the node to test
- * client_sel_t sel - the selection criteria
- *
- * Returns true if the node matches.
- **/
-bool node_matches(node_t *c, node_t *t, client_select_t sel)