extern int udev_devices_enumerate(struct udev *udev, const char *subsystem,
int (*cb)(struct udev *udev,
const char *devpath, const char *subsystem, const char *name, void *data),
void *data);
extern int udev_devices_enumerate(struct udev *udev, const char *subsystem,
int (*cb)(struct udev *udev,
const char *devpath, const char *subsystem, const char *name, void *data),
void *data);