问C中的连接4游戏

EN

#include <stdio.h>
#include "connect4.h" 
#define FALSE 0
#define TRUE 1

/* get_move

Prompts the user to enter a column, then checks that
 - the column is in the valid range (1-COLS)
 - that the column is not full (use function column_full to check)

If an invalid column is entered, the user is reprompted until it is valid

Returns the column number between 1 and COLS
*/

int column_full ( int board[COLS][ROWS], int col ) { return TRUE;}

int get_move ( int board[COLS][ROWS] ){

    int col;

    printf("Please enter a column number:");
    scanf("%d",&col);

    if(col>=1 && col<=COLS){
        if(column_full(board, col)==FALSE){
            printf("You have placed a token in the %d column\n",col);
        }
        else{
            printf("That column is full");
        }
    }
    while(col<=0 || col>COLS){
        printf("Your token has not been placed");
        printf("Please enter a valid column: ");
        scanf("%d",&col);
    }
    return(col);
}

#ifndef CONNECT4_H
#define CONNEXT4_H 1

#define ROWS 6
#define COLS 7

// displays the board to the screen
int display_board ( int[COLS][ROWS] ) ;

// sets up the board to an empty state
int setup_board ( int[COLS][ROWS] ) ;

// Returns TRUE if the specified column in the board is completely full
// FALSE otherwise
// col should be between 1 and COLS
int column_full ( int[COLS][ROWS], int col ) ;

// prompts the user to enter a move, and checks that it is valid
// for the supplied board and board size
// Returns the column that the user has entered, once it is valid (1-COLS)
int get_move ( int[COLS][ROWS] ) ;

// adds a token of the given value (1 or 2) to the board at the
// given column (col between 1 and COLS inclusive)
// Returns 0 if successful, -1 otherwise
int add_move ( int b[COLS][ROWS], int col, int colour ) ;

// determines who (if anybody) has won.  Returns the player id of the
// winner, otherwise 0
int winner ( int[COLS][ROWS] ) ;

// determines if the board is completely full or not
int board_full ( int[COLS][ROWS] ) ;


#endif