freedby_walk_init
freedby_walk_init, allocdby_walk_step, allocdby_walk_fini },
extern int freedby_walk_init(mdb_walk_state_t *);
freedby_walk_init, allocdby_walk_step, allocdby_walk_fini },
extern int freedby_walk_init(mdb_walk_state_t *);
extern int freedby_walk_init(mdb_walk_state_t *);