__auth
void (*ah_nextverf)(struct __auth *);
int (*ah_marshal)(struct __auth *, XDR *, struct cred *);
int (*ah_marshal)(struct __auth *, XDR *);
int (*ah_validate)(struct __auth *,
int (*ah_refresh)(struct __auth *, struct rpc_msg *,
int (*ah_refresh)(struct __auth *, void *);
void (*ah_destroy)(struct __auth *);
int (*ah_wrap)(struct __auth *, caddr_t, uint_t,
int (*ah_unwrap)(struct __auth *, XDR *, xdrproc_t,