1 files changed, 3 insertions, 2 deletions
diff --git a/re.h b/re.h
index a9daa72e0b..0774a74c27 100644
--- a/re.h
+++ b/re.h
@@ -35,9 +35,10 @@ VALUE rb_reg_regsub _((VALUE, VALUE, struct re_registers *));
 int rb_reg_adjust_startpos _((VALUE, VALUE, int, int));
 
 int rb_kcode _((void));
+void rb_match_busy _((VALUE));
 
 extern int ruby_ignorecase;
 
-int rb_mbclen2 _((unsigned char, VALUE));
-#define mbclen2(c,re) rb_mbclen2((c),(re))
+int rb_reg_mbclen2 _((unsigned char, VALUE));
+#define mbclen2(c,re) rb_reg_mbclen2((c),(re))
 #endif