* remove single player games: guess and othello

 * there are lots of better implementations of these games, so no need to keep them in BBS. we should focus on multi-user games.


git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@4760 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

4 files changed, 5 insertions, 817 deletions

diff --git a/mbbsd/Makefile b/mbbsd/Makefile
index 723e0d39..4f199b42 100644
--- a/mbbsd/Makefile
+++ b/mbbsd/Makefile
@@ -16,7 +16,7 @@ UTILOBJS = stuff.o kaede.o convert.o name.o syspost.o
 PAGEROBJS= more.o pmore.o
 PLUGOBJS = lovepaper.o calendar.o topsong.o gamble.o vice.o angel.o
 CHESSOBJS= chc.o chc_tab.o chess.o go.o gomo.o dark.o reversi.o
-GAMEOBJS = card.o guess.o chicken.o othello.o
+GAMEOBJS = card.o chicken.o
 OBJS:=	admin.o assess.o edit.o menu.o xyz.o var.o visio.o \
 	vote.o voteboard.o \
 	$(COREOBJS)  $(ACCOBJS) $(NETOBJS) $(TALKOBJS) $(UTILOBJS) \
diff --git a/mbbsd/guess.c b/mbbsd/guess.c
deleted file mode 100644
index dea421b5..00000000
--- a/mbbsd/guess.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/* $Id$ */
-#include "bbs.h"
-#define LOGPASS BBSHOME "/etc/winguess.log"
-
-static int
-check_data(const char *str)
-{
-    int             i, j;
-
-    if (strlen(str) != 4)
-	return -1;
-    for (i = 0; i < 4; i++)
-	if (str[i] < '0' || str[i] > '9')
-	    return -1;
-    for (i = 0; i < 4; i++)
-	for (j = i + 1; j < 4; j++)
-	    if (str[i] == str[j])
-		return -1;
-    return 1;
-}
-
-static char    *
-get_data(char data[5], int count)
-{
-    while (1) {
-	getdata(6, 0, "輸入四位數字(不重複): ", data, 5, LCECHO);
-	if (check_data(data) == 1)
-	    break;
-    }
-    return data;
-}
-
-static int
-guess_play(const char *data, const char *answer, int count)
-{
-    int             A_num = 0, B_num = 0;
-    int             i, j;
-
-    for (i = 0; i < 4; i++) {
-	if (data[i] == answer[i])
-	    A_num++;
-	for (j = 0; j < 4; j++)
-	    if (i == j)
-		continue;
-	    else if (data[i] == answer[j]) {
-		B_num++;
-		break;
-	    }
-    }
-    if (A_num == 4)
-	return 1;
-    move(count + 8, 55);
-    prints("%s => " ANSI_COLOR(1;32) "%dA %dB" ANSI_RESET, data, A_num, B_num);
-    return 0;
-}
-
-static int
-result(int correct, int number)
-{
-    char            a = 0, b = 0, i, j;
-    char            n1[5], n2[5];
-
-    snprintf(n1, sizeof(n1), "%04d", correct);
-    snprintf(n2, sizeof(n2), "%04d", number);
-    for (i = 0; i < 4; i++)
-	for (j = 0; j < 4; j++)
-	    if (n1[(int)i] == n2[(int)j])
-		b++;
-    for (i = 0; i < 4; i++)
-	if (n1[(int)i] == n2[(int)i]) {
-	    b--;
-	    a++;
-	}
-    return 10 * a + b;
-}
-
-static int
-legal(int number)
-{
-    char            i, j;
-    char            temp[5];
-
-    snprintf(temp, sizeof(temp), "%04d", number);
-    for (i = 0; i < 4; i++)
-	for (j = i + 1; j < 4; j++)
-	    if (temp[(int)i] == temp[(int)j])
-		return 0;
-    return 1;
-}
-
-static void
-initcomputer(char flag[])
-{
-    int             i;
-
-    for (i = 0; i < 10000; i++)
-	if (legal(i))
-	    flag[i] = 1;
-	else
-	    flag[i] = 0;
-}
-
-static int
-computer(int correct, int total, char flag[], int n[])
-{
-    int             guess;
-    static int      j;
-    int             k, i;
-    char            data[5];
-
-    if (total == 1) {
-	do {
-	    guess = random() % 10000;
-	} while (!legal(guess));
-    } else
-	guess = n[random() % j];
-    k = result(correct, guess);
-    if (k == 40) {
-	move(total + 8, 25);
-	snprintf(data, sizeof(data), "%04d", guess);
-	prints("%s => 猜中了!!", data);
-	return 1;
-    } else {
-	move(total + 8, 25);
-	snprintf(data, sizeof(data), "%04d", guess);
-	prints("%s => " ANSI_COLOR(1;32) "%dA %dB" ANSI_RESET, data, k / 10, k % 10);
-    }
-    j = 0;
-    for (i = 0; i < 10000; i++)
-	if (flag[i]) {
-	    if (result(i, guess) != k)
-		flag[i] = 0;
-	    else
-		n[j++] = i;
-	}
-    return 0;
-}
-
-static void
-Diff_Random(char *answer)
-{
-    register int    i = 0, j, k;
-
-    while (i < 4) {
-	k = random() % 10 + '0';
-	for (j = 0; j < i; j++)
-	    if (k == answer[j])
-		break;
-	if (j == i) {
-	    answer[j] = k;
-	    i++;
-	}
-    }
-    answer[4] = 0;
-}
-
-int
-guess_main(void)
-{
-    char            data[5];
-    char            computerwin = 0, youwin = 0;
-    int             count = 0, c_count = 0;
-    char            ifcomputer[2];
-    char            answer[5];
-    char            yournum[5];
-    const int max_guess = 10;
-
-    // these variables are not very huge, no need to use malloc
-    // to prevent heap allocation.
-    char	    flag[10000];
-    int		    n[1500];
-
-    setutmpmode(GUESSNUM);
-    clear();
-    showtitle("猜數字", BBSName);
-
-    Diff_Random(answer);
-    move(2, 0);
-    clrtoeol();
-
-    getdata(4, 0, "您要和電腦比賽嗎? <Y/n>[y]:",
-		ifcomputer, sizeof(ifcomputer), LCECHO);
-    *ifcomputer = (*ifcomputer == 'n') ? 0 : 1;
-
-    if (ifcomputer[0]) {
-	do {
-	    getdata(5, 0, "請輸入您要讓電腦猜的數字: ",
-		    yournum, sizeof(yournum), LCECHO);
-	} while (!legal(atoi(yournum)));
-	move(8, 25);
-	outs("電腦猜");
-	initcomputer(flag);
-    }
-    move(8, 55);
-    outs("你猜");
-    while (((!computerwin || !youwin) && count < max_guess && (ifcomputer[0])) 
-	    || (!ifcomputer[0] && count < max_guess && !youwin)) {
-	if (!computerwin && ifcomputer[0]) {
-	    ++c_count;
-	    if (computer(atoi(yournum), c_count, flag, n))
-		computerwin = 1;
-	}
-	move(20, 55);
-	prints("第 %d/%d 次機會 ", count + 1, max_guess);
-	if (!youwin) {
-	    ++count;
-	    if (guess_play(get_data(data, count), answer, count))
-		youwin = 1;
-	}
-    }
-    move(17, 33);
-    if (ifcomputer[0]) {
-	if (count > c_count) {
-	    outs("  你輸給電腦了");
-	} else if (count < c_count) {
-	    outs("真厲害, 讓你猜到囉");
-	} else {
-	    prints("真厲害, 和電腦打成平手了");
-	}
-	pressanykey();
-	return 1;
-    }
-    if (youwin) {
-	if (count < 5) {
-	    outs("真厲害!");
-	} else if (count > 5) {
-	    outs("唉, 太多次才猜出來了");
-	} else {
-	    outs("五次猜出來, 還可以~");
-	    move(18, 35);
-	    clrtoeol();
-	}
-	pressanykey();
-	return 1;
-    }
-    move(17, 32);
-    prints("嘿嘿 標準答案是 %s ", answer);
-    move(18, 32);
-    outs("下次再來吧");
-    pressanykey();
-    return 1;
-}
diff --git a/mbbsd/menu.c b/mbbsd/menu.c
index aad3493a..15841fcf 100644
--- a/mbbsd/menu.c
+++ b/mbbsd/menu.c
@@ -801,12 +801,10 @@ static int chessroom() {
 static const commands_t plist[] = {
 
     {ticket_main, PERM_LOGINOK,  "11Gamble      【 " BBSMNAME2 "賭場 】"},
-    {guess_main, PERM_LOGINOK,   "22Guess number【  猜數字  】"},
-    {othello_main, PERM_LOGINOK, "33Othello     【  黑白棋  】"},
-    {vice_main, PERM_LOGINOK,    "44Vice        【 發票對獎 】"},
-    {g_card_jack, PERM_LOGINOK,  "55Jack        【  黑傑克  】"},
-    {g_ten_helf, PERM_LOGINOK,   "66Tenhalf     【  十點半  】"},
-    {card_99, PERM_LOGINOK,      "77Nine        【  九十九  】"},
+    {vice_main, PERM_LOGINOK,    "22Vice        【 發票對獎 】"},
+    {g_card_jack, PERM_LOGINOK,  "33Jack        【  黑傑克  】"},
+    {g_ten_helf, PERM_LOGINOK,   "44Tenhalf     【  十點半  】"},
+    {card_99, PERM_LOGINOK,      "55Nine        【  九十九  】"},
     {NULL, 0, NULL}
 };
 
diff --git a/mbbsd/othello.c b/mbbsd/othello.c
deleted file mode 100644
index 27e385dc..00000000
--- a/mbbsd/othello.c
+++ /dev/null
@@ -1,568 +0,0 @@
-/* $Id$ */
-#include "bbs.h"
-
-#define LOGFILE "etc/othello.log"
-#define NR_TABLE 2
-
-#define true 1
-#define false 0
-#define STARTX 3
-#define STARTY 20
-#define NONE_CHESS "  "
-#define WHITE_CHESS "●"
-#define BLACK_CHESS "○"
-#define HINT_CHESS "＃"
-#define NONE  0
-#define HINT  1
-#define BLACK 2
-#define WHITE 3
-
-#define INVERT(COLOR) (((COLOR))==WHITE?BLACK:WHITE)
-
-struct OthelloData {
-	char     nowx, nowy;
-	char     number[2];
-
-	char     pass;
-	char     if_hint;
-	int      think, which_table;
-
-	char     nowboard[10][10];
-	char     evaltable[NR_TABLE + 1][10][10];
-};
-
-static const char    *CHESS_TYPE[] = {NONE_CHESS, HINT_CHESS, BLACK_CHESS, WHITE_CHESS};
-static const char     DIRX[] = {-1, -1, -1, 0, 1, 1, 1, 0};
-static const char     DIRY[] = {-1, 0, 1, 1, 1, 0, -1, -1};
-static const char     init_table[NR_TABLE + 1][5][5] = {
-    {{0, 0, 0, 0, 0},
-    {0, 30, -3, 2, 2},
-    {0, -3, -3, -1, -1},
-    {0, 2, -1, 1, 1},
-    {0, 2, -1, 1, 0}},
-
-    {{0, 0, 0, 0, 0},
-    {0, 70, 5, 20, 30},
-    {0, 5, -5, 3, 3},
-    {0, 20, 3, 5, 5},
-    {0, 30, 3, 5, 5}},
-
-    {{0, 0, 0, 0, 0},
-    {0, 5, 2, 2, 2},
-    {0, 2, 1, 1, 1},
-    {0, 2, 1, 1, 1},
-    {0, 2, 1, 1, 1}}
-};
-
-static void
-print_chess(struct OthelloData *od, int x, int y, char chess)
-{
-    move(STARTX - 1 + x * 2, STARTY - 2 + y * 4);
-    if (chess != HINT || od->if_hint == 1)
-	outs(CHESS_TYPE[(int)chess]);
-    else
-	outs(CHESS_TYPE[NONE]);
-    refresh();
-}
-
-static void
-printboard(struct OthelloData *od)
-{
-    int             i;
-
-    move(STARTX, STARTY);
-    outs("┌─┬─┬─┬─┬─┬─┬─┬─┐");
-    for (i = 0; i < 7; i++) {
-	move(STARTX + 1 + i * 2, STARTY);
-	outs("│  │  │  │  │  │  │  │  │");
-	move(STARTX + 2 + i * 2, STARTY);
-	outs("├─┼─┼─┼─┼─┼─┼─┼─┤");
-    }
-    move(STARTX + 1 + i * 2, STARTY);
-    outs("│  │  │  │  │  │  │  │  │");
-    move(STARTX + 2 + i * 2, STARTY);
-    outs("└─┴─┴─┴─┴─┴─┴─┴─┘");
-    print_chess(od, 4, 4, WHITE);
-    print_chess(od, 5, 5, WHITE);
-    print_chess(od, 4, 5, BLACK);
-    print_chess(od, 5, 4, BLACK);
-    move(3, 56);
-    prints("(黑)%s", cuser.userid);
-    move(3, 72);
-    outs(": 02");
-    move(4, 56);
-    outs("(白)電腦        : 02");
-    move(6, 56);
-    outs("＃  可以下之處");
-    move(7, 56);
-    outs("[q] 退出");
-    move(8, 56);
-    outs("[h] 開啟/關閉 提示");
-    move(9, 56);
-    outs("[Enter][Space] 下棋");
-    move(10, 56);
-    outs("上:↑, i");
-    move(11, 56);
-    outs("下:↓, k");
-    move(12, 56);
-    outs("左:←, j");
-    move(13, 56);
-    outs("右:→, l");
-}
-
-static int
-get_key(struct OthelloData *od, int x, int y)
-{
-    int             ch;
-
-    move(STARTX - 1 + x * 2, STARTY - 1 + y * 4);
-    ch = igetch();
-    move(STARTX - 1 + x * 2, STARTY - 2 + y * 4);
-    if (od->nowboard[x][y] != HINT || od->if_hint == 1)
-	outs(CHESS_TYPE[(int)od->nowboard[x][y]]);
-    else
-	outs(CHESS_TYPE[NONE]);
-    return ch;
-}
-
-static int
-eatline(int i, int j, char color, int dir, char chessboard[][10])
-{
-    int             tmpx, tmpy;
-    char            tmpchess;
-
-    tmpx = i + DIRX[dir];
-    tmpy = j + DIRY[dir];
-    tmpchess = chessboard[tmpx][tmpy];
-    if (tmpchess == -1)
-	return false;
-    if (tmpchess != INVERT(color))
-	return false;
-
-    tmpx += DIRX[dir];
-    tmpy += DIRY[dir];
-    tmpchess = chessboard[tmpx][tmpy];
-    while (tmpchess != -1) {
-	if (tmpchess < BLACK)
-	    return false;
-	if (tmpchess == color) {
-	    while (i != tmpx || j != tmpy) {
-		chessboard[i][j] = color;
-		i += DIRX[dir];
-		j += DIRY[dir];
-	    }
-	    return true;
-	}
-	tmpx += DIRX[dir];
-	tmpy += DIRY[dir];
-	tmpchess = chessboard[tmpx][tmpy];
-    }
-    return false;
-}
-
-static int
-if_can_put(int x, int y, char color, char chessboard[][10])
-{
-    int             i, temp, checkx, checky;
-
-    if (chessboard[x][y] < BLACK)
-	for (i = 0; i < 8; i++) {
-	    checkx = x + DIRX[i];
-	    checky = y + DIRY[i];
-	    temp = chessboard[checkx][checky];
-	    if (temp < BLACK)
-		continue;
-	    if (temp != color)
-		while (chessboard[checkx += DIRX[i]][checky += DIRY[i]] > HINT)
-		    if (chessboard[checkx][checky] == color)
-			return true;
-	}
-    return false;
-}
-
-static int
-get_hint(struct OthelloData *od, char color)
-{
-    int             i, j, temp = 0;
-
-    for (i = 1; i <= 8; i++)
-	for (j = 1; j <= 8; j++) {
-	    if (od->nowboard[i][j] == HINT)
-		od->nowboard[i][j] = NONE;
-	    if (if_can_put(i, j, color, od->nowboard)) {
-		od->nowboard[i][j] = HINT;
-		temp++;
-	    }
-	    print_chess(od, i, j, od->nowboard[i][j]);
-	}
-    return temp;
-}
-
-static void
-eat(int x, int y, int color, char chessboard[][10])
-{
-    int             k;
-
-    for (k = 0; k < 8; k++)
-	eatline(x, y, color, k, chessboard);
-}
-
-static void
-end_of_game(struct OthelloData *od, int quit)
-{
-    FILE           *fp;
-    char           *opponent[] = {"", "CD-65", "", "嬰兒", "小孩", "", "大人", "專家"};
-
-    move(STARTX - 1, 30);
-    outs("                         ");
-    move(22, 35);
-    fp = fopen(LOGFILE, "a");
-    if (quit) {
-	if (od->number[0] == 2 && od->number[1] == 2) {
-	    if (fp)
-		fclose(fp);
-	    return;
-	}
-	fprintf(fp, "在%s級中, %s臨陣脫逃\n", opponent[od->think], cuser.userid);
-	if (fp)
-	    fclose(fp);
-	return;
-    }
-    if (od->number[0] > od->number[1]) {
-	prints("你贏了電腦%02d子", od->number[0] - od->number[1]);
-	if (od->think == 6 && od->number[0] - od->number[1] >= 50)
-	    demoney(200);
-	if (od->think == 7 && od->number[0] - od->number[1] >= 40)
-	    demoney(200);
-	if (fp)
-	    fprintf(fp, "在%s級中, %s以 %02d:%02d 贏了電腦%02d子\n",
-		    opponent[od->think], cuser.userid, od->number[0], od->number[1],
-		    od->number[0] - od->number[1]);
-    } else if (od->number[1] > od->number[0]) {
-	prints("電腦贏了你%02d子", od->number[1] - od->number[0]);
-	if (fp) {
-	    fprintf(fp, "在%s級中, ", opponent[od->think]);
-	    if (od->number[1] - od->number[0] > 20)
-		fprintf(fp, "電腦以 %02d:%02d 慘電%s %02d子\n", od->number[1],
-			od->number[0], cuser.userid, od->number[1] - od->number[0]);
-	    else
-		fprintf(fp, "電腦以 %02d:%02d 贏了%s %02d子\n", od->number[1],
-			od->number[0], cuser.userid, od->number[1] - od->number[0]);
-	}
-    } else {
-	outs("你和電腦打成平手!!");
-	if (fp)
-	    fprintf(fp, "在%s級中, %s和電腦以 %02d:%02d 打成了平手\n",
-		    opponent[od->think], cuser.userid, od->number[1], od->number[0]);
-    }
-    if (fp)
-	fclose(fp);
-    move(1, 1);
-    igetch();
-}
-
-static void
-othello_redraw(struct OthelloData *od)
-{
-    int             i, j;
-
-    for (i = 1; i <= 8; i++)
-	for (j = 1; j <= 8; j++)
-	    print_chess(od, i, j, od->nowboard[i][j]);
-}
-
-static int
-player(struct OthelloData *od, char color)
-{
-    int             ch;
-
-    if (get_hint(od, color)) {
-	while (true) {
-	    ch = get_key(od, od->nowx, od->nowy);
-	    switch (ch) {
-	    case 'J':
-	    case 'j':
-	    case KEY_LEFT:
-		od->nowy--;
-		break;
-	    case 'L':
-	    case 'l':
-	    case KEY_RIGHT:
-		od->nowy++;
-		break;
-	    case 'I':
-	    case 'i':
-	    case KEY_UP:
-		od->nowx--;
-		break;
-	    case 'K':
-	    case 'k':
-	    case KEY_DOWN:
-		od->nowx++;
-		break;
-	    case ' ':
-	    case KEY_ENTER:
-		if (od->nowboard[(int)od->nowx][(int)od->nowy] != HINT)
-		    break;
-		od->pass = 0;
-		od->nowboard[(int)od->nowx][(int)od->nowy] = color;
-		eat(od->nowx, od->nowy, color, od->nowboard);
-		print_chess(od, od->nowx, od->nowy, color);
-		return true;
-	    case 'q':
-		end_of_game(od, 1);
-		return false;
-	    case 'H':
-	    case 'h':
-		od->if_hint = od->if_hint ^ 1;
-		othello_redraw(od);
-		break;
-	    }
-	    if (od->nowx == 9)
-		od->nowx = 1;
-	    if (od->nowx == 0)
-		od->nowx = 8;
-	    if (od->nowy == 9)
-		od->nowy = 1;
-	    if (od->nowy == 0)
-		od->nowy = 8;
-	}
-    } else {
-	od->pass++;
-	if (od->pass == 1) {
-	    move(23, 34);
-	    outs("你必需放棄這一步!!");
-	    igetch();
-	    move(28, 23);
-	    outs("                             ");
-	} else {
-	    end_of_game(od,0);
-	    return false;
-	}
-    }
-    return 0;
-}
-
-static void
-init(struct OthelloData *od)
-{
-    int             i, j, i1, j1;
-
-    memset(od, 0, sizeof(struct OthelloData));
-    od->nowx = 4;
-    od->nowy = 4;
-    od->number[0] = od->number[1] = 2;
-    for (i = 1; i <= 8; i++)
-	for (j = 1; j <= 8; j++) {
-	    i1 = 4.5 - abs(4.5 - i);
-	    j1 = 4.5 - abs(4.5 - j);
-	    od->evaltable[0][i][j] = init_table[0][i1][j1];
-	    od->evaltable[1][i][j] = init_table[1][i1][j1];
-	}
-    memset(od->nowboard, NONE, sizeof(od->nowboard));
-    for(i=0;i<10;i++)
-	od->nowboard[i][0]=od->nowboard[0][i]=od->nowboard[i][9]=od->nowboard[9][i]=-1;
-    od->nowboard[4][4] = od->nowboard[5][5] = WHITE;
-    od->nowboard[4][5] = od->nowboard[5][4] = BLACK;
-}
-
-static void
-report(struct OthelloData *od)
-{
-    int             i, j;
-
-    od->number[0] = od->number[1] = 0;
-    for (i = 1; i <= 8; i++)
-	for (j = 1; j <= 8; j++)
-	    if (od->nowboard[i][j] == BLACK)
-		od->number[0]++;
-	    else if (od->nowboard[i][j] == WHITE)
-		od->number[1]++;
-    move(3, 60);
-    outs(cuser.userid);
-    move(3, 72);
-    prints(": %02d", od->number[0]);
-    move(4, 60);
-    prints("電腦        : %02d", od->number[1]);
-}
-
-static int
-EVL(struct OthelloData *od, char chessboard[][10], int color, int table_number)
-{
-    int             points = 0, a, b;
-    for (a = 1; a <= 8; a++)
-	for (b = 1; b <= 8; b++)
-	    if (chessboard[a][b] > HINT) {
-		if (chessboard[a][b] == BLACK)
-		    points += od->evaltable[table_number][a][b];
-		else
-		    points -= od->evaltable[table_number][a][b];
-	    }
-    return ((color == BLACK) ? points : -points);
-}
-
-static int
-alphabeta(struct OthelloData *od, int alpha, int beta, int level, char chessboard[][10],
-	  int thinkstep, int color, int table)
-{
-    int             i, j, k, flag = 1;
-    char            tempboard[10][10];
-    if (level == thinkstep + 1)
-	return EVL(od, chessboard, (level & 1 ? color : ((color - 2) ^ 1) + 2),
-		   table);
-    for (i = 1; i <= 8; i++) {
-	for (j = 1; j <= 8; j++) {
-	    if (if_can_put(i, j, color, chessboard)) {
-		flag = 0;
-		memcpy(tempboard, chessboard, sizeof(char) * 100);
-		eat(i, j, color, tempboard);
-
-		k = alphabeta(od, alpha, beta, level + 1, tempboard, thinkstep,
-			      ((color - 2) ^ 1) + 2, table);
-		if (((level & 1) && k > alpha))
-		    alpha = k;
-		else if (!(level & 1) && k < beta)
-		    beta = k;
-		if (alpha >= beta)
-		    break;
-	    }
-	}
-    }
-    if (flag)
-	return EVL(od, chessboard, color, table);
-    return ((level & 1) ? alpha : beta);
-}
-
-static int
-Computer(struct OthelloData *od, int thinkstep, int table)
-{
-    int             i, j, maxi = 0, maxj = 0, level = 1;
-    char            chessboard[10][10];
-    int             alpha = -10000, k;
-    if ((od->number[0] + od->number[1]) > 44)
-	table = NR_TABLE;
-    for (i = 1; i <= 8; i++)
-	for (j = 1; j <= 8; j++) {
-	    if (if_can_put(i, j, WHITE, od->nowboard)) {
-		memcpy(chessboard, od->nowboard, sizeof(char) * 100);
-		eat(i, j, WHITE, chessboard);
-		k = alphabeta(od, alpha, 10000, level + 1, chessboard, thinkstep,
-			      BLACK, table);
-		if (k > alpha) {
-		    alpha = k;
-		    maxi = i;
-		    maxj = j;
-		}
-	    }
-	}
-    if (alpha != -10000) {
-	eat(maxi, maxj, WHITE, od->nowboard);
-	od->pass = 0;
-	od->nowx = maxi;
-	od->nowy = maxj;
-    } else {
-	move(23, 30);
-	outs("電腦放棄這一步棋!!");
-	od->pass++;
-	if (od->pass == 2) {
-	    move(23, 24);
-	    outs("                               ");
-	    end_of_game(od, 0);
-	    return false;
-	}
-	igetch();
-	move(23, 24);
-	outs("                                  ");
-    }
-    return true;
-}
-
-static int
-choose(void)
-{
-    char            thinkstep[2];
-
-    move(2, 0);
-    outs("請選擇難度:");
-    move(5, 0);
-    outs("[0] 離開\n");
-    outs("(1) CD-65\n");/* 想 1 步 */
-    outs("(2) 嬰兒\n");	/* 想 3 步 */
-    outs("(3) 小孩\n");	/* 想 4 步 */
-    do {
-	if (getdata(4, 0, "請選擇一個對象和您對打:(1~3)",
-		thinkstep, sizeof(thinkstep), LCECHO) == 0 ||
-	    thinkstep[0] == '0')
-	    return 0;
-
-    } while (thinkstep[0] < '1' || thinkstep[0] > '3');
-    clear();
-    switch (thinkstep[0]) {
-    case '2':
-	thinkstep[0] = '3';
-	break;
-    case '3':
-	thinkstep[0] = '4';
-	break;
-    default:
-	thinkstep[0] = '1';
-	break;
-    }
-    return atoi(thinkstep);
-}
-
-#define lockreturn0(unmode, state) if(lockutmpmode(unmode, state)) return 0
-
-int
-othello_main(void)
-{
-    struct OthelloData *od;
-
-    lockreturn0(OTHELLO, LOCK_MULTI);
-
-    od=(struct OthelloData*)malloc(sizeof(struct OthelloData));
-    if(od==NULL) {
-	unlockutmpmode();
-	return 0;
-    }
-
-    clear();
-    init(od);
-    od->think = choose();
-    if (!od->think)
-    {
-	unlockutmpmode();
-	free(od);
-	return 0;
-    }
-    showtitle("單人黑白棋", BBSName);
-    printboard(od);
-    od->which_table = random() % NR_TABLE;
-    while (true) {
-	move(STARTX - 1, 30);
-	outs("輪到你下了...");
-	if (!player(od, BLACK))
-	    break;
-	report(od);
-	othello_redraw(od);
-	if (od->number[0] + od->number[1] == 64) {
-	    end_of_game(od, 0);
-	    break;
-	}
-	move(STARTX - 1, 30);
-	outs("電腦思考中...");
-	refresh();
-	if (!Computer(od, od->think, od->which_table))
-	    break;
-	report(od);
-	othello_redraw(od);
-	if (od->number[0] + od->number[1] == 64) {
-	    end_of_game(od, 0);
-	    break;
-	}
-    }
-    more(LOGFILE, YEA);
-    unlockutmpmode();
-    free(od);
-    return 1;
-}