int uc_get_rate_by_name (const char *name, gauge_t **ret_values, size_t *ret_values_num);
gauge_t *uc_get_rate (const data_set_t *ds, const value_list_t *vl);
-int uc_get_names (char ***ret_names, time_t **ret_times, size_t *ret_number);
+int uc_get_names (char ***ret_names, cdtime_t **ret_times, size_t *ret_number);
int uc_get_state (const data_set_t *ds, const value_list_t *vl);
int uc_set_state (const data_set_t *ds, const value_list_t *vl, int state);
+int uc_get_hits (const data_set_t *ds, const value_list_t *vl);
+int uc_set_hits (const data_set_t *ds, const value_list_t *vl, int hits);
+int uc_inc_hits (const data_set_t *ds, const value_list_t *vl, int step);
int uc_get_history (const data_set_t *ds, const value_list_t *vl,
gauge_t *ret_history, size_t num_steps, size_t num_ds);