ocs_array_get
ocs_hw_sequence_t *seq = ocs_array_get(hw->seq_pool, idx++);
ocs_list_add_tail(&pool->freelist, ocs_array_get(pool->a, i));
ocs_list_add_tail(&pool->freelist, ocs_array_get(pool->a, i));
pool_hdr_t *h = ocs_array_get(pool->a, idx);
ocs_cbuf_put(cbuf, ocs_array_get(array, i));
extern void *ocs_array_get(ocs_array_t *array, uint32_t idx);