--- /dev/null
+/*
+ * FILE: pattern.h
+ *
+ * ----------------------------------------------------------------------
+ * Copyright (c) 1993, 1994, 1995 Matthias Mutz
+ * Copyright (c) 1999 Michael Vanier and the Free Software Foundation
+ *
+ * GNU SHOGI is based on GNU CHESS
+ *
+ * Copyright (c) 1988, 1989, 1990 John Stanback
+ * Copyright (c) 1992 Free Software Foundation
+ *
+ * This file is part of GNU SHOGI.
+ *
+ * GNU Shogi is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 1, or (at your option) any
+ * later version.
+ *
+ * GNU Shogi 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 General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with GNU Shogi; see the file COPYING. If not, write to the Free
+ * Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ----------------------------------------------------------------------
+ *
+ */
+
+
+#ifndef _PATTERN_H_
+#define _PATTERN_H_
+
+#define MAX_NAME 16 /* maximum length of opening name */
+#define MAX_SEQUENCE 4 /* maximum number of sequences
+ * for an opening type */
+
+#define CANNOT_REACH (-1)
+#define NOT_TO_REACH (-2)
+#define IS_REACHED (-3)
+#define IS_SUCCESSOR (-4)
+
+#define END_OF_SEQUENCES (-1)
+#define END_OF_PATTERNS (-2)
+#define END_OF_LINKS (-3)
+#define END_OF_FIELDS (-4)
+
+struct PatternField
+{
+ short side;
+ short piece;
+ short square;
+};
+
+
+struct Pattern_rec
+{
+ small_short visited;
+ small_short distance[2];
+ short reachedGameCnt[2];
+ short first_link;
+ short first_field;
+ short next_pattern;
+};
+
+
+struct OpeningSequence_rec
+{
+ short opening_type;
+ short first_pattern[MAX_SEQUENCE];
+};
+
+
+extern struct Pattern_rec Pattern[];
+extern struct OpeningSequence_rec OpeningSequence[];
+
+extern short
+piece_to_pattern_distance(short side, short piece,
+ short pside, short pattern);
+
+extern short
+pattern_distance(short pside, short pattern);
+
+extern short
+board_to_pattern_distance(short pside, short osequence,
+ short pmplty, short GameCnt);
+
+extern short
+locate_opening_sequence(short pside, char *s, short GameCnt);
+
+extern void
+DisplayPattern(FILE *fd, short first_field);
+
+extern void
+update_advance_bonus(short pside, short os);
+
+extern void
+GetOpeningPatterns(short *max_opening_sequence);
+
+extern void
+ShowOpeningPatterns(short max_opening_sequence);
+
+
+extern short
+ValueOfOpeningName(char *name);
+
+extern void
+NameOfOpeningValue(short i, char *name);
+
+extern small_short pattern_data[];
+
+
+#endif /* _PATTERN_H_ */