--- ray/src/common/instance.c	1990/12/15 15:01:37	1.6
+++ ray/src/common/instance.c	1991/11/12 16:54:54	2.1
@@ -80,3 +80,13 @@ int  flags;
 		in->obj = getscene(o->oargs.sarg[0], flags);
 	return(in);
 }
+
+
+freeinstance(o)		/* free memory associated with instance */
+OBJREC  *o;
+{
+	if (o->os == NULL)
+		return;
+	free(o->os);
+	o->os = NULL;
+}