scan_dir          903 src/libudev/libudev-enumerate.c                 scan_dir(udev_enumerate, "subsystem", "devices", NULL);
scan_dir          905 src/libudev/libudev-enumerate.c                 scan_dir(udev_enumerate, "bus", "devices", NULL);
scan_dir          906 src/libudev/libudev-enumerate.c                 scan_dir(udev_enumerate, "class", NULL, NULL);
scan_dir          968 src/libudev/libudev-enumerate.c                 scan_dir(udev_enumerate, subsysdir, "drivers", "drivers");