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+/* Copyright (C) 1991-2012 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 _STDC_PREDEF_H
+#define _STDC_PREDEF_H 1
+
+/* This header is separate from features.h so that the compiler can
+ include it implicitly at the start of every compilation. It must
+ not itself include <features.h> or any other header that includes
+ <features.h> because the implicit include comes before any feature
+ test macros that may be defined in a source file before it first
+ explicitly includes a system header. GCC knows the name of this
+ header in order to preinclude it. */
+
+/* We do support the IEC 559 math functionality, real and complex. */
+#define __STDC_IEC_559__ 1
+#define __STDC_IEC_559_COMPLEX__ 1
+
+/* wchar_t uses ISO 10646-1 (2nd ed., published 2000-09-15) / Unicode 3.1. */
+#define __STDC_ISO_10646__ 200009L
+
+#endif