Problem 2. Tic-Tac-Toe, Part 2 (20 points) Save a copy of your program from part 1 and modify it to include validMove() and checkWinner() functions. A valid move should be 1-3 for both rows and columns, and should not be a move that was previously entered. If the checkWinner() function finds a winner, the program should print a message and exit. Use the following function prototypes: int validMove(char board[][3], int row, int column); int checkWinner(char board[][3]);

current CODE IN C:

#include

//function body of initializeBoard function

void initializeBoard(char board[][3]){

int i,j;

for(i=0;i<3;i++){

for(j=0;j<3;j++){

board[i][j]=' ';

}

}

}

//function body of displayBoard function

void displayBoard(char board[][3]){

int i,j;

printf(" \t %d\t %d\t %d",1,2,3);

printf(" ");

for(i=0;i<3;i++){

printf("%d\t",i+1);

for(j=0;j<3;j++){

printf("[%c]\t",board[i][j]);

}

printf(" ");

}

}

//function body of makeMove function

void makeMove(char board[][3],char player){

int row,col;

printf(" Enter row and column you would like to fill:");

scanf("%d%d",&row,&col);

if(board[row-1][col-1]=='O'||board[row-1][col-1]=='X'){

printf(" This position is already filled.. enter another position...");

makeMove(board,player);

}

board[row-1][col-1]=player;

}

main(){

//declaring 2d char array board

char board[3][3];

//calling initializeBoard() function

initializeBoard(board);

//calling displayBoard() function

displayBoard(board);

int i;

//this is a for loop for 9 moves

for(i=1;i<=9;i++){

if(i%2==0){

makeMove(board,'X');

displayBoard(board);

}

else{

makeMove(board,'O');

displayBoard(board);

}

}

return 0;

}