udev_device_tag_index   93 src/libudev/libudev-private.h int udev_device_tag_index(struct udev_device *dev, struct udev_device *dev_old, bool add);
udev_device_tag_index  802 src/udev/udev-event.c                 udev_device_tag_index(dev, NULL, false);
udev_device_tag_index  906 src/udev/udev-event.c                 udev_device_tag_index(dev, event->dev_db, true);