c语言实现三子棋

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三子棋游戏是指棋盘为3*3，玩家与电脑之间的对决，谁先将各自的棋下为一排（横/竖/斜）者获胜，电脑所下位置是随机产生的。

game,h中定义的函数：

#define ROWS 3  #define COLS 3     void init_board(char board[ROWS][COLS], int rows,int  cols);//初始化棋盘   void display_board(char board[ROWS][COLS], int rows, int  cols);//打印棋盘   void player_move(char board[ROWS][COLS], int rows, int  cols);//玩家下棋的函数   void computer_move(char board[ROWS][COLS], int rows, int  cols);//电脑下棋的函数   char check_win(char board[ROWS][COLS], int rows, int  cols);//判断输赢函数

test.h用于存放主函数：

#include<stdio.h>  #include<stdlib.h>  #include"game.h"    void menu()       //打印菜单  {      printf("**********  1.PLAY  *********\n");      printf("**********          *********\n");      printf("**********  0.EXIT  *********\n");  }  void game()  {      int ret = 0;      char board[ROWS][COLS] = { 0 };      init_board(board, ROWS, COLS);      display_board(board, ROWS, COLS);      while (1)      {          printf("player move;\n");          player_move(board, ROWS, COLS);          display_board(board, ROWS, COLS);          ret = check_win(board, ROWS, COLS);          if (ret != ' ')              break;          printf("computer move:\n");          computer_move(board, ROWS, COLS);          display_board(board, ROWS, COLS);          check_win(board, ROWS, COLS);          if (ret != ' ')              break;      }      if (ret == 'X')        {          printf("Congratulatons! player win!\n");      }          else if (ret == '0')      {          printf("Undortunately! player lost!\n");      }      else      {          printf("It's tie,play again?\n");      }  }  enum  Option  {      EXIT,      PLAY,   };  int main()  {      int input = 0;      srand((unsigned int)time(NULL));      do      {          menu();          printf("please chose:>");          scanf("%d", &input);          switch(input)          {          case PLAY:              game();              break;          case EXIT:              break;          default:              printf("default!please chose again!\n");              break;          }      } while (input);      system("pause\n");      return 0;  }

game.c中游戏实现：

#include"game.h"  #include<stdio.h>  #include<stdlib.h>  #include<string.h>  #include<time.h>    void init_board(char board[ROWS][COLS], int rows, int  cols)  {      memset(board, ' ', sizeof(char)*rows*cols);  //设置内存的函数(指定内存地址，初始化，内存大小）  }  void display_board(char board[ROWS][COLS], int rows, int  cols)  {      int i = 0;      for (i = 0; i < rows; i++)      {          printf(" %c | %c | %c \n", board[i][0], board[i][1], board[i][2]);          if (i != rows - 1)              printf("---|---|---\n");      }  }  void player_move(char board[ROWS][COLS], int rows, int  cols)  {      int x = 0;      int y = 0;      /*printf("please enter the coordinates:>");      scanf("%d%d", &x, &y);*/      /*x--;      y--;*/      while (1)      {          printf("please enter the coordinates:>");          scanf("%d%d", &x, &y);          x--;          y--;          if ((x >= 0) && (x <= rows - 1) && (y >= 0) && (y <= cols - 1))          {              if (board[x][y] == ' ')              {                  board[x][y] = 'X';                  break;              }              else              {                  printf("please enter again:>\n");              }          }      }  }  void computer_move(char board[ROWS][COLS], int rows, int  cols)  {      while (1)      {          int x = rand() % 3;          int y = rand() % 3;          if (board[x][y] == ' ')          {              board[x][y] = '0';              break;          }      }  }  static int is_full(char board[ROWS][COLS], int rows, int  cols)  {      int i = 0;      int j = 0;      for (i = 0; i < rows; i++)      {          for (j = 0; j < cols; j++)          {              if (board[i][j] == ' ')                  return 0;          }      }      return 1;        //表示棋盘已满  }  char check_win(char board[ROWS][COLS], int rows, int  cols)     //判断输赢，三行三列和两个交叉行  {      int i = 0;      for (i = 0; i < rows; i++)      {          if ((board[i][0] == board[i][1]) && (board[i][1] == board[i][2]) && (board[i][1] != ' '))          {              return board[i][1];          }      }      for (i = 0; i < cols; i++)      {          if ((board[0][i] == board[1][i]) && (board[1][i] == board[2][i]) && (board[1][i] != ' '))          {              return board[1][i];          }      }      if ((board[0][0] == board[1][1]) && (board[1][1] == board[2][2]) && (board[1][1] != ' '))      {          return board[1][1];      }      if ((board[0][2] == board[1][1]) && (board[1][1] == board[2][0]) && (board[2][2] != ' '))      {          return board[1][1];      }      if (is_full(board, rows, cols))      {          return 'q';//棋盘满了      }      return ' ';  }

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