编写一个codeblocks的吃子，落子，判断胜负的双人对弈C语言围棋程序

以下是一个简单的双人对弈围棋程序，使用C语言编写，基于CodeBlocks开发环境。

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>

#define SIZE 9

typedef enum { EMPTY, BLACK, WHITE } stone;

void print_board(stone board[SIZE][SIZE]) {
    printf("  ");
    for (int i = 0; i < SIZE; i++)
        printf("%c ", 'A' + i);
    printf("\n");
    for (int i = 0; i < SIZE; i++) {
        printf("%d ", i + 1);
        for (int j = 0; j < SIZE; j++) {
            if (board[i][j] == EMPTY)
                printf(". ");
            else if (board[i][j] == BLACK)
                printf("X ");
            else
                printf("O ");
        }
        printf("%d\n", i + 1);
    }
    printf("  ");
    for (int i = 0; i < SIZE; i++)
        printf("%c ", 'A' + i);
    printf("\n");
}

bool is_valid_move(stone board[SIZE][SIZE], int row, int col, stone player) {
    if (row < 0 || row >= SIZE || col < 0 || col >= SIZE)
        return false;
    if (board[row][col] != EMPTY)
        return false;
    stone opponent = (player == BLACK) ? WHITE : BLACK;
    if ((row > 0 && board[row - 1][col] == opponent) ||
        (row < SIZE - 1 && board[row + 1][col] == opponent) ||
        (col > 0 && board[row][col - 1] == opponent) ||
        (col < SIZE - 1 && board[row][col + 1] == opponent))
        return true;
    return false;
}

void place_stone(stone board[SIZE][SIZE], int row, int col, stone player) {
    board[row][col] = player;
}

bool is_captured(stone board[SIZE][SIZE], int row, int col) {
    if (board[row][col] == EMPTY)
        return false;
    stone opponent = (board[row][col] == BLACK) ? WHITE : BLACK;
    if ((row > 0 && board[row - 1][col] == opponent && !is_liberty(board, row - 1, col)) ||
        (row < SIZE - 1 && board[row + 1][col] == opponent && !is_liberty(board, row + 1, col)) ||
        (col > 0 && board[row][col - 1] == opponent && !is_liberty(board, row, col - 1)) ||
        (col < SIZE - 1 && board[row][col + 1] == opponent && !is_liberty(board, row, col + 1)))
        return true;
    return false;
}

bool is_liberty(stone board[SIZE][SIZE], int row, int col) {
    if (board[row][col] == EMPTY)
        return true;
    if (row > 0 && board[row - 1][col] == EMPTY)
        return true;
    if (row < SIZE - 1 && board[row + 1][col] == EMPTY)
        return true;
    if (col > 0 && board[row][col - 1] == EMPTY)
        return true;
    if (col < SIZE - 1 && board[row][col + 1] == EMPTY)
        return true;
    return false;
}

void remove_stone(stone board[SIZE][SIZE], int row, int col) {
    board[row][col] = EMPTY;
}

bool is_legal_move(stone board[SIZE][SIZE], int row, int col, stone player) {
    if (!is_valid_move(board, row, col, player))
        return false;
    place_stone(board, row, col, player);
    bool legal = !is_captured(board, row, col);
    remove_stone(board, row, col);
    return legal;
}

int count_liberties(stone board[SIZE][SIZE], int row, int col) {
    int liberties = 0;
    if (row > 0 && board[row - 1][col] == EMPTY)
        liberties++;
    if (row < SIZE - 1 && board[row + 1][col] == EMPTY)
        liberties++;
    if (col > 0 && board[row][col - 1] == EMPTY)
        liberties++;
    if (col < SIZE - 1 && board[row][col + 1] == EMPTY)
        liberties++;
    return liberties;
}

bool is_eye(stone board[SIZE][SIZE], int row, int col, stone player) {
    if (board[row][col] != EMPTY)
        return false;
    if (count_liberties(board, row, col) != 2)
        return false;
    stone opponent = (player == BLACK) ? WHITE : BLACK;
    int border_count = 0;
    if (row == 0 || row == SIZE - 1)
        border_count++;
    if (col == 0 || col == SIZE - 1)
        border_count++;
    if (border_count == 1)
        return false;
    if ((row > 0 && board[row - 1][col] == player) ||
        (row < SIZE - 1 && board[row + 1][col] == player) ||
        (col > 0 && board[row][col - 1] == player) ||
        (col < SIZE - 1 && board[row][col + 1] == player))
        return false;
    int opponent_count = 0;
    if (row > 0 && board[row - 1][col] == opponent)
        opponent_count++;
    if (row < SIZE - 1 && board[row + 1][col] == opponent)
        opponent_count++;
    if (col > 0 && board[row][col - 1] == opponent)
        opponent_count++;
    if (col < SIZE - 1 && board[row][col + 1] == opponent)
        opponent_count++;
    if (opponent_count > 1)
        return false;
    return true;
}

bool is_valid_eye(stone board[SIZE][SIZE], int row, int col, stone player) {
    if (!is_eye(board, row, col, player))
        return false;
    stone opponent = (player == BLACK) ? WHITE : BLACK;
    int friendly_stones = 0;
    int enemy_stones = 0;
    if (row > 0) {
        if (board[row - 1][col] == player)
            friendly_stones++;
        else if (board[row - 1][col] == opponent)
            enemy_stones++;
    }
    if (row < SIZE - 1) {
        if (board[row + 1][col] == player)
            friendly_stones++;
        else if (board[row + 1][col] == opponent)
            enemy_stones++;
    }
    if (col > 0) {
        if (board[row][col - 1] == player)
            friendly_stones++;
        else if (board[row][col - 1] == opponent)
            enemy_stones++;
    }
    if (col < SIZE - 1) {
        if (board[row][col + 1] == player)
            friendly_stones++;
        else if (board[row][col + 1] == opponent)
            enemy_stones++;
    }
    if (friendly_stones == 4 || enemy_stones > 0)
        return false;
    return true;
}

bool is_valid_placement(stone board[SIZE][SIZE], int row, int col, stone player) {
    if (is_valid_move(board, row, col, player)) {
        if (is_legal_move(board, row, col, player)) {
            if (!is_valid_eye(board, row, col, player)) {
                return true;
            }
        }
    }
    return false;
}

stone get_player(int move_number) {
    return (move_number % 2 == 0) ? BLACK : WHITE;
}

int main() {
    stone board[SIZE][SIZE] = { EMPTY };
    int move_number = 0;
    while (true) {
        print_board(board);
        stone player = get_player(move_number);
        printf("%c's turn (e.g. B4): ", (player == BLACK) ? 'X' : 'O');
        char input[3];
        scanf("%s", input);
        if (input[0] == 'q' || input[0] == 'Q')
            break;
        int row = input[1] - '1';
        int col = input[0] - 'A';
        if (is_valid_placement(board, row, col, player)) {
            place_stone(board, row, col, player);
            move_number++;
        } else {
            printf("Invalid move.\n");
        }
    }
    return 0;
}

这个程序实现了基本的落子、吃子和判断胜负的功能，可以通过控制台输入坐标来进行游戏。但是这个程序还有很多不足之处，比如没有对禁手规则进行处理，也没有判断胜负的算法。如果需要更加完善的围棋程序，需要进一步优化。