--- /dev/null
+/*
+ * $Id: internal.h,v 1.15.2.1 2008/09/02 21:12:59 sfeam Exp $
+ */
+
+/* GNUPLOT - internal.h */
+
+/*[
+ * Copyright 1999, 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.
+]*/
+
+#ifndef GNUPLOT_INTERNAL_H
+# define GNUPLOT_INTERNAL_H
+
+/* #if... / #include / #define collection: */
+
+#include "syscfg.h"
+#include "gp_types.h"
+#include "eval.h"
+
+/* Prototypes from file "internal.c" */
+
+/* the basic operators of our stack machine for function evaluation: */
+void f_push __PROTO((union argument *x));
+void f_pushc __PROTO((union argument *x));
+void f_pushd1 __PROTO((union argument *x));
+void f_pushd2 __PROTO((union argument *x));
+void f_pushd __PROTO((union argument *x));
+void f_call __PROTO((union argument *x));
+void f_calln __PROTO((union argument *x));
+void f_lnot __PROTO((union argument *x));
+void f_bnot __PROTO((union argument *x));
+void f_lor __PROTO((union argument *x));
+void f_land __PROTO((union argument *x));
+void f_bor __PROTO((union argument *x));
+void f_xor __PROTO((union argument *x));
+void f_band __PROTO((union argument *x));
+void f_uminus __PROTO((union argument *x));
+void f_eq __PROTO((union argument *x));
+void f_ne __PROTO((union argument *x));
+void f_gt __PROTO((union argument *x));
+void f_lt __PROTO((union argument *x));
+void f_ge __PROTO((union argument *x));
+void f_le __PROTO((union argument *x));
+void f_plus __PROTO((union argument *x));
+void f_minus __PROTO((union argument *x));
+void f_mult __PROTO((union argument *x));
+void f_div __PROTO((union argument *x));
+void f_mod __PROTO((union argument *x));
+void f_power __PROTO((union argument *x));
+void f_factorial __PROTO((union argument *x));
+
+#ifdef GP_STRING_VARS
+void f_concatenate __PROTO((union argument *x));
+void f_eqs __PROTO((union argument *x));
+void f_nes __PROTO((union argument *x));
+void f_gprintf __PROTO((union argument *x));
+void f_range __PROTO((union argument *x));
+void f_sprintf __PROTO((union argument *x));
+void f_strlen __PROTO((union argument *x));
+void f_strstrt __PROTO((union argument *x));
+void f_system __PROTO((union argument *x));
+void f_words __PROTO((union argument *x));
+void f_strftime __PROTO((union argument *x));
+void f_strptime __PROTO((union argument *x));
+#endif
+
+#endif /* GNUPLOT_INTERNAL_H */