-DNSSD_API int dnssd_register_raop(dnssd_t *dnssd, const char *name, unsigned short port);
-DNSSD_API int dnssd_register_airplay(dnssd_t *dnssd, const char *name, unsigned short port);
+DNSSD_API int dnssd_register_raop(dnssd_t *dnssd, const char *name, unsigned short port, const char *hwaddr, int hwaddrlen);
+DNSSD_API int dnssd_register_airplay(dnssd_t *dnssd, const char *name, unsigned short port, const char *hwaddr, int hwaddrlen);