1 files changed, 2 insertions, 0 deletions
diff --git a/lib.h b/lib.h
index 7b33c784..80412c29 100644
--- a/lib.h
+++ b/lib.h
@@ -875,6 +875,8 @@ val mapcar(val fun, val list);
 val mapcon(val fun, val list);
 val mappend(val fun, val list);
 val mapdo(val fun, val list);
+val window_map(val range, val boundary, val fun, val seq);
+val window_mappend(val range, val boundary, val fun, val seq);
 val interpose(val sep, val seq);
 val merge(val list1, val list2, val lessfun, val keyfun);
 val sort(val seq, val lessfun, val keyfun);