sys_jail_set
{ .sy_narg = AS(jail_set_args), .sy_call = (sy_call_t *)sys_jail_set, .sy_auevent = AUE_JAIL_SET, .sy_flags = 0, .sy_thrcnt = SY_THR_STATIC }, /* 507 = jail_set */
int sys_jail_set(struct thread *, struct jail_set_args *);