-/**
- * \name Additional functions implemented as macros
- *
- * \{
- */
-#define ser_getstatus(h) ((h)->status)
-#define ser_setstatus(h, x) ((h)->status = (x))
-/* \} */
+extern serstatus_t ser_getstatus(struct Serial *port);
+extern void ser_setstatus(struct Serial *port, serstatus_t status);