Many small edits.
diff --git a/src/cmd/rc/exec.c b/src/cmd/rc/exec.c
index 9ab7c29..dfd4e37 100644
--- a/src/cmd/rc/exec.c
+++ b/src/cmd/rc/exec.c
@@ -90,6 +90,7 @@
 	v->changed=0;
 	v->fnchanged=0;
 	v->next=next;
+	v->changefn = 0;
 	return v;
 }
 /*