DAV_FS_LOCK_NULL_FILE  796 modules/dav/fs/lock.c     dav_buffer_place(p, pbuf, "/" DAV_FS_STATE_DIR "/" DAV_FS_LOCK_NULL_FILE);
DAV_FS_LOCK_NULL_FILE  861 modules/dav/fs/lock.c                           DAV_FS_STATE_DIR "/" DAV_FS_LOCK_NULL_FILE,