1 files changed, 2 insertions, 0 deletions
diff --git a/intern.h b/intern.h
index 56b30a9d26..3c53601317 100644
--- a/intern.h
+++ b/intern.h
@@ -286,6 +286,8 @@ void rb_str_modify _((VALUE));
 VALUE rb_str_freeze _((VALUE));
 VALUE rb_str_resize _((VALUE, long));
 VALUE rb_str_cat _((VALUE, const char*, long));
+VALUE rb_str_cat2 _((VALUE, const char*));
+VALUE rb_str_append _((VALUE, VALUE));
 VALUE rb_str_concat _((VALUE, VALUE));
 int rb_str_hash _((VALUE));
 int rb_str_cmp _((VALUE, VALUE));