#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <curses.h>

#define EMPTY ' '
#define BORDER '*'
#define PLAYER 'P'
#define GOAL 'G'
#define COLLAPSED 'X'

typedef struct position {
    int row;
    int col;
} Position;

typedef struct node {
    Position pos;
    char collapsed_color;
    struct node* next;
} Node;

typedef struct list {
    Node* head;
    int size;
} List;

int ROW, COL;
char** map;
Position player, goal;
List history;

void initialize() {
    int i, j;

    map = (char**)malloc(ROW * sizeof(char*));
    for (i = 0; i < ROW; i++) {
    map[i] = (char*)malloc(COL * sizeof(char));
    for (j = 0; j < COL; j++) {
        if (i == 0 || i == ROW - 1 || j == 0 || j == COL - 1) {
            map[i][j] = BORDER;
        }
        else {
            map[i][j] = EMPTY;
        }
    }
}


    player = history.head->pos;
    goal = history.head->next->pos;

    map[player.row][player.col] = PLAYER;
    map[goal.row][goal.col] = GOAL;
}

void print_map() {
    int i, j;
    for (i = 0; i < ROW; i++) {
        for (j = 0; j < COL; j++) {
            if (i == player.row && j == player.col) {
                attron(COLOR_PAIR(1));
                printw("%c ", map[i][j]);
                attroff(COLOR_PAIR(1));
            }
            else if (i == goal.row && j == goal.col) {
                attron(COLOR_PAIR(2));
                printw("%c ", map[i][j]);
                attroff(COLOR_PAIR(2));
            }
            else if (map[i][j] == COLLAPSED) {
                if (i == history.head->pos.row && j == history.head->pos.col) {
                    attron(COLOR_PAIR(3));
                    printw("%c ", map[i][j]);
                    attroff(COLOR_PAIR(3));
                }
                else {
                    printw("%c ", map[i][j]);
                }
            }
            else {
                printw("%c ", map[i][j]);
            }
        }
        printw("\n");
    }
}

void collapse_floor() {
    int i, j;
    Node* new_node = (Node*)malloc(sizeof(Node));
    new_node->collapsed_color = 'r';
    do {
        new_node->pos.row = rand() % (ROW - 2) + 1;
        new_node->pos.col = rand() % (COL - 2) + 1;
    } while (map[new_node->pos.row][new_node->pos.col] != EMPTY);
    new_node->next = history.head;
    history.head = new_node;
    history.size++;

    map[new_node->pos.row][new_node->pos.col] = COLLAPSED;
}

void move_player(int row_offset, int col_offset) {
    if (map[player.row + row_offset][player.col + col_offset] == EMPTY) {
        map[player.row][player.col] = EMPTY;
        player.row += row_offset;
        player.col += col_offset;
        map[player.row][player.col] = PLAYER;

        collapse_floor();
    }
    else if (map[player.row + row_offset][player.col + col_offset] == GOAL){
        map[player.row][player.col] == EMPTY;
        player.row += row_offset;
        player.col += col_offset;
        map[player.row][player.col] = PLAYER;
        print_map();
        printf("\nYou Win!\n");
        exit(0);
    }
}

void undo_move() {
    if (history.size > 1) {
        Node* old_node = history.head;
        history.head = history.head->next;
        history.size--;
        if (map[player.row][player.col] == COLLAPSED) {
            map[player.row][player.col] = EMPTY;
        }
        player = history.head->pos;
        if (map[player.row][player.col] == COLLAPSED) {
            map[player.row][player.col] = PLAYER;
        } else {
            map[player.row][player.col] = PLAYER;
            map[old_node->pos.row][old_node->pos.col] = COLLAPSED;
        }
        free(old_node);
    }
}

int main(int argc, char*argv[]){
    int i;
    srand(time(NULL));
    ROW = atoi(argv[1]);
    COL = atoi(argv[2]);
    player.row = atoi(argv[3]);
    player.col = atoi(argv[4]);
    goal.row = atoi(argv[5]);
    goal.col = atoi(argv[6]);
    
    history.head = (Node*)malloc(sizeof(Node));
    history.head->pos = player;
    history.head->collapsed_color = 'r';
    history.head->next = NULL;
    history.size = 1;
    
    initscr();
    start_color();
    init_pair(1, COLOR_BLUE, COLOR_BLACK);
    init_pair(2, COLOR_YELLOW, COLOR_BLACK);
    init_pair(3, COLOR_RED, COLOR_BLACK);
    
    initialize();
    
    print_map();
    
    while (1) {
        int ch = getch();
        switch (ch) {
            case 'w':
                move_player(-1, 0);
                break;
            case 'a':
                move_player(0, -1);
                break;
            case 's':
                    move_player(1, 0);
                    break;
                case 'd':
                    move_player(0, 1);
                    break;
                case 'u':
                    undo_move();
                    break;
        }
        print_map();
    }
}

endwin();
for (i = 0; i < ROW; i++) {
    free(map[i]);
}

free(map);
return 0

}

当我尝试在终端上编译代码时，我得到了数据定义错误。（）和自由（map）.我试着把它们移到main函数中，但没有修复错误。可能是我没有正确地把它实现到main函数中。我意识到在C99中不允许在函数外部调用它（这是我使用的服务器）所以把它放在最后是不可行的。终端说在“endwin（）”和“free”的声明中有类型默认值为“int”。我如何解决这个问题。