/*
 *  Program: pgn-extract: a Portable Game Notation (PGN) extractor.
 *  Copyright (C) 1994-2007 David Barnes
 *  This program 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.
 *
 *  This program 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 this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  David Barnes may be contacted as D.J.Barnes@kent.ac.uk
 *  http://www.cs.kent.ac.uk/people/staff/djb/
 *
 */

void add_positional_variations_from_file(FILE *fpin);
void add_positional_variation_from_line(char *line);
void add_textual_variations_from_file(FILE *fpin);
void add_textual_variation_from_line(char *line);
Boolean check_textual_variations(Game game_details);
Boolean check_move_bounds(unsigned number_of_moves);
void add_fen_positional_match(const char *fen_string);
Boolean check_for_only_checkmate(const Move *moves);
Boolean check_for_only_stalemate(const Board *board, const Move *moves);