+/*
+ * $Id: help.h,v 1.8 2004/04/13 17:23:56 broeker Exp $
+ */
+
+/* GNUPLOT - help.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.
+]*/
+
+
+#ifndef GNUPLOT_HELP_H
+# define GNUPLOT_HELP_H
+
+#include "gp_types.h"
+
+/* Exit status returned by help() */
+#define H_FOUND 0 /* found the keyword */
+#define H_NOTFOUND 1 /* didn't find the keyword */
+#define H_ERROR (-1) /* didn't find the help file */
+
+/* Prototypes from file "help.c" */
+
+int help __PROTO((char *keyword, char *path, TBOOLEAN *subtopics));
+void FreeHelp __PROTO((void));
+void StartOutput __PROTO((void));
+void OutLine __PROTO((const char *line));
+void EndOutput __PROTO((void));
+
+#endif /* GNUPLOT_HELP_H */