Forgot one small thing :P

plugins/gtk/gtk_playlist.h

+void on_generic_drop_data_received( intf_thread_t * p_intf, 
+        GtkSelectionData *data, guint info, int position);
+void rebuildCList(GtkCList * clist, playlist_t * playlist_p);
+int hasValidExtension(gchar * filename);
+int intf_AppendList( playlist_t * p_playlist, int i_pos, GList * list );
+void GtkPlayListManage( gpointer p_data );
+void on_generic_drop_data_received( intf_thread_t * p_intf,
+        GtkSelectionData *data, guint info, int position);
+gint compareItems(gconstpointer a, gconstpointer b);
+GList * intf_readFiles(gchar * fsname );