sys_jail_get
{ .sy_narg = AS(jail_get_args), .sy_call = (sy_call_t *)sys_jail_get, .sy_auevent = AUE_JAIL_GET, .sy_flags = 0, .sy_thrcnt = SY_THR_STATIC }, /* 506 = jail_get */
int sys_jail_get(struct thread *, struct jail_get_args *);