Here is a list of all documented variables with links to the struct/union documentation for each field:

- u -

• uniq_tag : t_jukebox_state, t_random_add_constraints
• unknown : t_album, t_albums_config
• uri : mg_client_request_t, t_album, t_backend_nc_data, t_embedded_file, t_mympd_uris
• uris : t_webradio_data
• user : t_sticker
• user_data : t_list_node
• user_defined : t_stickers
• uslt_ext : t_lyrics