tic tac toe game code in turbo c needed???

[asdz]

sm1 plz help...i need simple tic tac toe game code in turbo c....sm1 help....

[KHANZZzzz]

#include<stdio.h>

#include<conio.h>

#include<stdlib.h>

int board[10] = {2,2,2,2,2,2,2,2,2,2};

int turn = 1,flag = 0;

int player,comp;

void menu();

void go(int n);

void start_game();

void check_draw();

void draw_board();

void player_first();

void put_X_O(char ch,int pos);



main()

{

clrscr();

_setcursortype(_NOCURSOR);

menu();

getch();

return(0);

}

void menu()

{

int choice;

printf("\n--------MENU--------");

printf("\n1 : Play with X");

printf("\n2 : Play with O");

printf("\n3 : Exit");

printf("\nEnter your choice:>");

scanf("%d",&choice);

turn = 1;

switch (choice)

{

case 1:

player = 1;

comp = 0;

player_first();

break;

case 2:

player = 0;

comp = 1;

start_game();

break;

case 3:

exit(0);

default:

menu();

}

}

int make2()

{

if(board[5] == 2)

return 5;

if(board[2] == 2)

return 2;

if(board[4] == 2)

return 4;

if(board[6] == 2)

return 6;

if(board[8] == 2)

return 8;

return 0;

}

int make4()

{

if(board[1] == 2)

return 1;

if(board[3] == 2)

return 3;

if(board[7] == 2)

return 7;

if(board[9] == 2)

return 9;

return 0;

}

int posswin(int p)

{

// p==1 then X p==0 then O

int i;

int check_val,pos;

if(p == 1)

check_val = 18;

else

check_val = 50;

i = 1;

while(i<=9)//row check

{

if(board[i] * board[i+1] * board[i+2] == check_val)

{

if(board[i] == 2)

return i;

if(board[i+1] == 2)

return i+1;

if(board[i+2] == 2)

return i+2;

}

i+=3;

}

i = 1;

while(i<=3)//column check

{

if(board[i] * board[i+3] * board[i+6] == check_val)

{

if(board[i] == 2)

return i;

if(board[i+3] == 2)

return i+3;

if(board[i+6] == 2)

return i+6;

}

i++;

}

if(board[1] * board[5] * board[9] == check_val)

{

if(board[1] == 2)

return 1;

if(board[5] == 2)

return 5;

if(board[9] == 2)

return 9;

}

if(board[3] * board[5] * board[7] == check_val)

{

if(board[3] == 2)

return 3;

if(board[5] == 2)

return 5;

if(board[7] == 2)

return 7;

}

return 0;

}

void go(int n)

{

if(turn % 2)

board[n] = 3;

else

board[n] = 5;

turn++;

}

void player_first()

{

int pos;

check_draw();

draw_board();

gotoxy(30,18);

printf("Your Turn :> ");

scanf("%d",&pos);

if(board[pos] != 2)

player_first();

if(pos == posswin(player))

{

go(pos);

draw_board();

gotoxy(30,20);

textcolor(128+RED);

cprintf("Player Wins");

getch();

exit(0);

}

go(pos);

draw_board();

start_game();

}

void start_game()

{

// p==1 then X p==0 then O

if(posswin(comp))

{

go(posswin(comp));

flag = 1;

}

else

if(posswin(player))

go(posswin(player));

else

if(make2())

go(make2());

else

go(make4());

draw_board();

if(flag)

{

gotoxy(30,20);

textcolor(128+RED);

cprintf("Computer wins");

getch();

}

else

player_first();

}

void check_draw()

{

if(turn > 9)

{

gotoxy(30,20);

textcolor(128+RED);

cprintf("Game Draw");

getch();

exit(0);

}

}

void draw_board()

{

int j;

for(j=9;j<17;j++)

{

gotoxy(35,j);

printf("| |");

}

gotoxy(28,11);

printf("-----------------------");

gotoxy(28,14);

printf("-----------------------");

for(j=1;j<10;j++)

{

if(board[j] == 3)

put_X_O('X',j);

else

if(board[j] == 5)

put_X_O('O',j);

}

}

void put_X_O(char ch,int pos)

{

int m;

int x = 31, y = 10;

m = pos;

if(m > 3)

{

while(m > 3)

{

y += 3;

m -= 3;

}

}

if(pos % 3 == 0)

x += 16;

else

{

pos %= 3;

pos--;

while(pos)

{

x+=8;

pos--;

}

}

gotoxy(x,y);

printf("%c",ch);

}