LIBCRBTREE_3 {
global:
        c_rbnode_leftmost;
        c_rbnode_rightmost;
        c_rbnode_leftdeepest;
        c_rbnode_rightdeepest;
        c_rbnode_next;
        c_rbnode_prev;
        c_rbnode_next_postorder;
        c_rbnode_prev_postorder;
        c_rbnode_link;
        c_rbnode_unlink_stale;
        c_rbtree_first;
        c_rbtree_last;
        c_rbtree_first_postorder;
        c_rbtree_last_postorder;
        c_rbtree_add;
        c_rbtree_move;
local:
       *;
};