int mdt_check_ucred(struct mdt_thread_info *);
int mdt_init_ucred(struct mdt_thread_info *, struct mdt_body *);
int mdt_init_ucred_reint(struct mdt_thread_info *);
int mdt_check_ucred(struct mdt_thread_info *);
int mdt_init_ucred(struct mdt_thread_info *, struct mdt_body *);
int mdt_init_ucred_reint(struct mdt_thread_info *);