diff --git a/ap/libc/glibc/glibc-2.23/stdlib/monetary.h b/ap/libc/glibc/glibc-2.23/stdlib/monetary.h
new file mode 100644
index 0000000..1fe9d6b
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/stdlib/monetary.h
@@ -0,0 +1,58 @@
+/* Header file for monetary value formatting functions.
+   Copyright (C) 1996-2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef	_MONETARY_H
+#define	_MONETARY_H	1
+
+#include <features.h>
+
+/* Get needed types.  */
+#define __need_size_t
+#include <stddef.h>
+#include <bits/types.h>
+
+#ifndef	__ssize_t_defined
+typedef __ssize_t ssize_t;
+# define __ssize_t_defined
+#endif
+
+
+__BEGIN_DECLS
+
+/* Formatting a monetary value according to the current locale.  */
+extern ssize_t strfmon (char *__restrict __s, size_t __maxsize,
+			const char *__restrict __format, ...)
+     __THROW __attribute_format_strfmon__ (3, 4);
+
+#ifdef __USE_XOPEN2K8
+# include <xlocale.h>
+
+/* Formatting a monetary value according to the given locale.  */
+extern ssize_t strfmon_l (char *__restrict __s, size_t __maxsize,
+			  __locale_t __loc,
+			  const char *__restrict __format, ...)
+     __THROW __attribute_format_strfmon__ (4, 5);
+#endif
+
+#ifdef __LDBL_COMPAT
+# include <bits/monetary-ldbl.h>
+#endif
+
+__END_DECLS
+
+#endif	/* monetary.h */