diff --git a/src/bin/psql/mbprint.h b/src/bin/psql/mbprint.h
new file mode 100644
index 0000000000000000000000000000000000000000..adf92f53056a46f6c4d7e8b8df7904b3d2486d1e
--- /dev/null
+++ b/src/bin/psql/mbprint.h
@@ -0,0 +1,18 @@
+/* $Id: mbprint.h,v 1.1 2001/10/15 04:52:59 ishii Exp $ */
+#ifndef MBPRINT_H
+#define MBPRINT_H
+
+
+#ifdef MULTIBYTE
+
+#include "mb/pg_wchar.h"
+
+pg_wchar utf2ucs(const unsigned char *c);
+
+unsigned char *mbvalidate(unsigned char *pwcs);
+#endif /* MULTIBYTE */
+
+int pg_wcswidth(unsigned char *pwcs, int len);
+
+#endif /* MBPRINT_H */
+