td_sync_iter_f
td_ta_sync_iter(const td_thragent_t *, td_sync_iter_f *, void *);
td_thr_lockowner(const td_thrhandle_t *, td_sync_iter_f *, void *);
__td_ta_sync_iter(td_thragent_t *ta_p, td_sync_iter_f *cb, void *cbdata)
td_sync_iter_f *owner_cb;
__td_thr_lockowner(const td_thrhandle_t *th_p, td_sync_iter_f *cb,