dnlc_dir_rem_space_by_handle
(void) dnlc_dir_rem_space_by_handle(dcap,
(void) dnlc_dir_rem_space_by_handle(dcap, slot.offset);
(void) dnlc_dir_rem_space_by_handle(dcap,
dcret_t dnlc_dir_rem_space_by_handle(dcanchor_t *dcap, uint64_t handle);