const gchar *g_udev_device_get_sysfs_attr (GUdevDevice *device,
const gchar *name);
gint g_udev_device_get_sysfs_attr_as_int (GUdevDevice *device,
const gchar *g_udev_device_get_sysfs_attr (GUdevDevice *device,
const gchar *name);
gint g_udev_device_get_sysfs_attr_as_int (GUdevDevice *device,