-typedef DBusMessage * (* WPADBusPropertyAccessor)(DBusMessage *message,
- const void *user_data);
+struct wpa_dbus_property_desc;
+typedef dbus_bool_t (*WPADBusPropertyAccessor)(
+ const struct wpa_dbus_property_desc *property_desc,
+ DBusMessageIter *iter, DBusError *error, void *user_data);
+#define DECLARE_ACCESSOR(f) \
+dbus_bool_t f(const struct wpa_dbus_property_desc *property_desc, \
+ DBusMessageIter *iter, DBusError *error, void *user_data)