函数逻辑报告

函数名称：__btree_for_each

函数原型：static size_t __btree_for_each(struct btree_head *head, struct btree_geo *geo, unsigned long *node, unsigned long opaque, void (*func)(void *elem, unsigned long opaque, unsigned long *key, size_t index, void *func2), void *func2, int reap, int height, size_t count)

返回类型：size_t

参数：