1 files changed, 1 insertions, 0 deletions
diff --git a/lib.h b/lib.h
index 1f8360c1..672f2fcf 100644
--- a/lib.h
+++ b/lib.h
@@ -397,6 +397,7 @@ int in_malloc_range(mem_t *);
 wchar_t *chk_strdup(const wchar_t *str);
 val cons(val car, val cdr);
 val make_lazy_cons(val func);
+val make_half_lazy_cons(val func, val car);
 val lcons_fun(val lcons);
 val list(val first, ...); /* terminated by nao */
 val consp(val obj);