extern struct connman_device *connman_device_ref(struct connman_device *device);
extern void connman_device_unref(struct connman_device *device);
extern struct connman_device *connman_device_ref(struct connman_device *device);
extern void connman_device_unref(struct connman_device *device);
extern const char *connman_device_get_name(struct connman_device *device);
extern const char *connman_device_get_path(struct connman_device *device);
extern void connman_device_set_index(struct connman_device *device,
extern const char *connman_device_get_name(struct connman_device *device);
extern const char *connman_device_get_path(struct connman_device *device);
extern void connman_device_set_index(struct connman_device *device,