struct btr_node;
+struct btr_pool;
typedef int (*btr_command_handler)(struct btr_node *btrn,
const char *command, char **result);
+enum btr_node_type {
+ BTR_NT_ROOT,
+ BTR_NT_INTERNAL,
+ BTR_NT_LEAF,
+};
+
+size_t btr_pool_size(struct btr_pool *btrp);
+struct btr_pool *btr_pool_new(const char *name, size_t area_size);
+void btr_pool_free(struct btr_pool *btrp);
+size_t btr_pool_get_buffer(struct btr_pool *btrp, char **result);
+void btr_pool_allocate(struct btr_pool *btrp, size_t size);
+void btr_add_output_pool(struct btr_pool *btrp, size_t size,
+ struct btr_node *btrn);
+size_t btr_pool_unused(struct btr_pool *btrp);
+void btr_copy(const void *src, size_t n, struct btr_pool *btrp,
+ struct btr_node *btrn);
+
struct btr_node *btr_new_node(const char *name, struct btr_node *parent,
btr_command_handler handler, void *context);
void btr_remove_node(struct btr_node *btrn);
void btr_log_tree(struct btr_node *btrn, int loglevel);
int btr_pushdown_one(struct btr_node *btrn);
bool btr_inplace_ok(struct btr_node *btrn);
-int btr_node_status(struct btr_node *btrn, size_t min_iqs);
+int btr_node_status(struct btr_node *btrn, size_t min_iqs,
+ enum btr_node_type type);
+void btr_get_node_start(struct btr_node *btrn, struct timeval *tv);
+struct btr_node *btr_search_node(const char *name, struct btr_node *root);