sys_aio_return
{ .sy_narg = AS(aio_return_args), .sy_call = (sy_call_t *)sys_aio_return, .sy_auevent = AUE_AIO_RETURN, .sy_flags = SYF_CAPENABLED, .sy_thrcnt = SY_THR_STATIC }, /* 314 = aio_return */
int sys_aio_return(struct thread *, struct aio_return_args *);