--- /dev/null
+/*
+ * $Id: ansichek.h,v 1.5 2004/04/13 17:23:51 broeker Exp $
+ */
+
+/* GNUPLOT - ansichek.h */
+
+/*[
+ * Copyright 1986 - 1993, 1998, 2004 Thomas Williams, Colin Kelley
+ *
+ * Permission to use, copy, and distribute this software and its
+ * documentation for any purpose with or without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.
+ *
+ * Permission to modify the software is granted, but not the right to
+ * distribute the complete modified source code. Modifications are to
+ * be distributed as patches to the released version. Permission to
+ * distribute binaries produced by compiling modified sources is granted,
+ * provided you
+ * 1. distribute the corresponding source modifications from the
+ * released version in the form of a patch file along with the binaries,
+ * 2. add special version identification to distinguish your version
+ * in addition to the base release version number,
+ * 3. provide your name and address as the primary contact for the
+ * support of your modified version, and
+ * 4. retain our contact information in regard to use of the base
+ * software.
+ * Permission to distribute the released version of the source code along
+ * with corresponding source modifications in the form of a patch file is
+ * granted with same provisions 2 through 4 for binary distributions.
+ *
+ * This software is provided "as is" without express or implied warranty
+ * to the extent permitted by applicable law.
+]*/
+
+
+/* figure out if we can handle ANSI prototypes
+ * We invent and use ANSI_C rather than using __STDC__ directly
+ * because some compilers (eg MS VC++ 4.1) switch off __STDC__
+ * when extensions are enabled, but if extensions are disabled,
+ * the standard headers cause compile errors. We can -DANSI_C
+ * but -D__STDC__ might confuse headers
+ */
+
+#ifndef ANSI_CHECK_H
+# define ANSI_CHECK_H
+
+# if defined(__STDC__) && __STDC__
+# ifndef ANSI_C
+# define ANSI_C
+# endif
+# endif /* __STDC__ */
+
+# ifndef HAVE_CONFIG_H
+/* Only relevant for systems which don't run configure */
+
+/* are all these compiler tests necessary ? - can the makefiles not
+ * just set ANSI_C ?
+ */
+
+# if defined(ANSI_C) || defined(__TURBOC__) || defined (__PUREC__) || defined (__ZTC__) || defined (_MSC_VER) || (defined(OSK) && defined(_ANSI_EXT))
+# ifndef PROTOTYPES
+# define PROTOTYPES
+# endif
+# ifndef HAVE_STRINGIZE
+# ifndef VAXC /* not quite ANSI_C */
+# define HAVE_STRINGIZE
+# endif
+# endif
+# endif /* ANSI_C ... */
+
+# ifndef ANSI_C
+# define const
+# endif
+
+# endif /* !HAVE_CONFIG_H */
+
+/* used to be __P but it was just too difficult to guess whether
+ * standard headers define it. It's not as if the defn is
+ * particularly difficult to do ourselves...
+ */
+# ifdef PROTOTYPES
+# define __PROTO(proto) proto
+# else
+# define __PROTO(proto) ()
+# endif
+
+/* generic pointer type. For old compilers this has to be changed to char *,
+ * but I don't know if there are any CC's that support void and not void *
+ */
+# define generic void
+
+#endif /* ANSI_CHECK_H */