/** Compare two addresses. Returns 0 when equal, a negative value when a < b, a positive value when a > b. */
int avahi_address_cmp(const AvahiAddress *a, const AvahiAddress *b);
/** Compare two addresses. Returns 0 when equal, a negative value when a < b, a positive value when a > b. */
int avahi_address_cmp(const AvahiAddress *a, const AvahiAddress *b);