-void level_default(st_level* plevel);
-int level_load(st_level* plevel, const char * subset, int level);
-void level_parse(st_level* plevel, lisp_object_t* cursor);
-int level_load(st_level* plevel, const char* filename);
-void level_save(st_level* plevel, const char * subset, int level);
-void level_free(st_level* plevel);
-void level_load_gfx(st_level* plevel);
+void level_default (st_level* plevel);
+int level_load (st_level* plevel, const char * subset, int level);
+void level_parse (st_level* plevel, lisp_object_t* cursor);
+int level_load (st_level* plevel, const char* filename);
+void level_save (st_level* plevel, const char * subset, int level);
+void level_free (st_level* plevel);
+void level_load_gfx (st_level* plevel);
+void level_change (st_level* plevel, float x, float y, unsigned char c);
+void level_load_song(st_level* plevel);