VLC_EXPORT( int, playlist_DisableGroup, ( playlist_t *, int ) );
VLC_EXPORT( int, playlist_EnableGroup, ( playlist_t *, int ) );
VLC_EXPORT( int, playlist_DisableGroup, ( playlist_t *, int ) );
VLC_EXPORT( int, playlist_EnableGroup, ( playlist_t *, int ) );
VLC_EXPORT( int, playlist_ItemSetGroup, (playlist_item_t *, int ) );
VLC_EXPORT( int, playlist_ItemSetName, (playlist_item_t *, char * ) );
VLC_EXPORT( int, playlist_ItemSetDuration, (playlist_item_t *, mtime_t ) );
VLC_EXPORT( int, playlist_ItemSetGroup, (playlist_item_t *, int ) );
VLC_EXPORT( int, playlist_ItemSetName, (playlist_item_t *, char * ) );
VLC_EXPORT( int, playlist_ItemSetDuration, (playlist_item_t *, mtime_t ) );