1 files changed, 1 insertions, 0 deletions
diff --git a/lib.h b/lib.h
index 9e64ba89..79a1fbe9 100644
--- a/lib.h
+++ b/lib.h
@@ -973,6 +973,7 @@ val rpos_if(val pred, val list, val key);
 val pos_max(val seq, val testfun, val keyfun);
 val pos_min(val seq, val testfun, val keyfun);
 val mismatch(val left, val right, val testfun, val keyfun);
+val rmismatch(val left, val right, val testfun, val keyfun);
 val take(val count, val seq);
 val take_while(val pred, val seq, val keyfun);
 val take_until(val pred, val seq, val keyfun);