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GNU GO - the game of Go (Wei-Chi)
Version 1.1 last revised 3-1-89
Copyright (C) Free Software Foundation, Inc.
written by Man L. Li
modified by Wayne Iba
documented by Bob Webber
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 - version 1.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License in file COPYING 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.
Please report any bug/fix, modification, suggestion to
mail address: Man L. Li
Dept. of Computer Science
University of Houston
4800 Calhoun Road
Houston, TX 77004
e-mail address: (Internet)
coscgbn@uhvax1.bitnet (BITNET)
70070,404 (CompuServe)
#include <stdio.h>
extern unsigned char p[19][19], l[19][19];
extern int mymove;
extern void initmark(void);
extern int findnextmove(int m, int n, int *i, int *j, int *val, int minlib);
int findsaver(int *i, int *j, int *val)
/* find move if any pieces is threaten */
int m, n, minlib;
int ti, tj, tval;
*i = -1; *j = -1; *val = -1;
for (minlib = 1; minlib < 4; minlib++)
/* count piece with minimum liberty */
for (m = 0; m < 19; m++)
for (n = 0; n < 19; n++)
if ((p[m][n] == mymove) && (l[m][n] == minlib))
/* find move to save pieces */
if (findnextmove(m, n, &ti, &tj, &tval, minlib) && (tval > *val))
*val = tval;
*i = ti;
*j = tj;
if (*val > 0) /* find move */
return 1;
else /* move not found */
return 0;
} /* findsaver */