| _db_key_s | Database key structure |
| _hash_entry_s | Hash table entry structure |
| _hash_table_s | Hash table structure |
| _link_elem_s | Linked list element structure |
| _link_head_s | Linked list head structure |
| _rb_node_s | Red-black tree node structure |
| _rb_tree_s | Red-black tree structure |
| _sh_find_s | Sparse matrix head find shim structure |
| _sh_flush_s | Sparse matrix flush function shim structure |
| _sh_iter_s | Sparse matrix iteration function shim structure |
| _smat_entry_s | Sparse matrix entry structure |
| _smat_head_s | Sparse matrix list head structure |
| _smat_table_s | Sparse matrix table structure |
| _st_flush_s | Sparse matrix flush function shim structure |
| _st_iter_s | Sparse matrix iteration function shim structure |
1.4.4