btree_head128
static inline int btree_init128(struct btree_head128 *head)
static inline void btree_destroy128(struct btree_head128 *head)
static inline void *btree_lookup128(struct btree_head128 *head, u64 k1, u64 k2)
static inline void *btree_get_prev128(struct btree_head128 *head,
static inline int btree_insert128(struct btree_head128 *head, u64 k1, u64 k2,
static inline int btree_update128(struct btree_head128 *head, u64 k1, u64 k2,
static inline void *btree_remove128(struct btree_head128 *head, u64 k1, u64 k2)
static inline void btree_init_mempool128(struct btree_head128 *head,
static inline void *btree_last128(struct btree_head128 *head, u64 *k1, u64 *k2)
static inline int btree_merge128(struct btree_head128 *target,
struct btree_head128 *victim,
static inline size_t btree_visitor128(struct btree_head128 *head,
static inline size_t btree_grim_visitor128(struct btree_head128 *head,