-extern int fio_client_send_ini(struct fio_client *, const char *, int);
-extern int fio_handle_clients(struct client_ops *);
-extern int fio_client_add(struct client_ops *, const char *, void **);
+extern int fio_client_send_ini(struct fio_client *, const char *, bool);
+extern int fio_handle_clients(struct client_ops const*);
+extern int fio_client_add(struct client_ops const*, const char *, void **);