-ssize_t aio_read(struct aiocb *);
-ssize_t aio_write(struct aiocb *);
-int aio_error(struct aiocb *);
+int aio_read(struct aiocb *);
+int aio_write(struct aiocb *);
+int aio_error(const struct aiocb *);
ssize_t aio_return(struct aiocb *);
int aio_cancel(int, struct aiocb *);
ssize_t aio_return(struct aiocb *);
int aio_cancel(int, struct aiocb *);
int aio_fsync(int, struct aiocb *);
int lio_listio(int, struct aiocb *const [], int, struct sigevent *);
int aio_fsync(int, struct aiocb *);
int lio_listio(int, struct aiocb *const [], int, struct sigevent *);