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+/* c-std.h: the first header files.
+
+ Copyright 1992, 1993, 1994, 1995, 1996, 1997, 2008, 2012 Karl Berry.
+ Copyright 1999, 2005 Olaf Weber.
+
+ This 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.
+
+ This 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 this library; if not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef KPATHSEA_C_STD_H
+#define KPATHSEA_C_STD_H
+
+/* Header files that essentially all of our sources need, and
+ that all implementations have. We include these first, to help with
+ NULL being defined multiple times. */
+/* Workaround against a <math.h> MSVC bug : it can't be declared
+ extern "C" in a c++ source file. */
+#ifndef __cplusplus
+#include <math.h>
+/* apparently M_PI isn't defined by <math.h> under older VC */
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+#endif
+#include <stdio.h>
+#include <stdarg.h>
+
+/* Be sure we have constants from <unistd.h>. */
+#include <kpathsea/c-unistd.h>
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+/* Include <stdlib.h> before <stddef.h>, to help avoid NULL
+ redefinitions on some systems. (We don't include <stddef.h>
+ ourselves any more, but FYI.) */
+#else
+/* It's impossible to say for sure what the system will deign to put in
+ <stdlib.h>, but let's hope it's at least this. */
+extern char *getenv ();
+#endif /* not HAVE_STDLIB_H */
+
+#ifdef WIN32
+#include <malloc.h>
+#else
+#ifndef STDC_HEADERS
+#ifndef ALLOC_RETURN_TYPE
+#define ALLOC_RETURN_TYPE void
+#endif /* not ALLOC_RETURN_TYPE */
+extern ALLOC_RETURN_TYPE *calloc (), *malloc (), *realloc ();
+#endif /* not STDC_HEADERS */
+#endif /* not WIN32 */
+
+/* SunOS 4.1.1 gets STDC_HEADERS defined, but it doesn't provide
+ EXIT_FAILURE. So far no system has defined one of EXIT_FAILURE and
+ EXIT_SUCCESS without the other. */
+#ifndef EXIT_SUCCESS
+#ifdef VMS
+#define EXIT_SUCCESS 1
+#define EXIT_FAILURE 0
+#else
+#define EXIT_SUCCESS 0
+#define EXIT_FAILURE 1
+#endif
+#endif /* not EXIT_SUCCESS */
+
+/* strchr vs. index, memcpy vs. bcopy, etc. */
+#include <kpathsea/c-memstr.h>
+
+/* Error numbers and errno declaration. */
+#include <kpathsea/c-errno.h>
+
+/* Numeric minima and maxima. */
+#include <kpathsea/c-minmax.h>
+
+/* Assertions are too useful to not make generally available. */
+#ifdef HAVE_ASSERT_H
+#include <assert.h>
+#else
+#define assert(expr) /* as nothing */
+#endif
+
+#ifdef VMS
+#include <unixlib.h>
+#include <unixio.h>
+#endif /* not VMS */
+
+#endif /* not KPATHSEA_C_STD_H */