1 files changed, 2 insertions, 1 deletions
diff --git a/lib.h b/lib.h
index 8ff88b76..624c24fa 100644
--- a/lib.h
+++ b/lib.h
@@ -1006,7 +1006,8 @@ val lazy_stream_cons(val stream);
 val lazy_str(val list, val term, val limit);
 val lazy_str_force_upto(val lstr, val index);
 val lazy_str_force(val lstr);
-val lazy_str_put(val lstr, val stream);
+struct strm_base;
+val lazy_str_put(val lstr, val stream, struct strm_base *);
 val lazy_str_get_trailing_list(val lstr, val index);
 val length_str_gt(val str, val len);
 val length_str_ge(val str, val len);