below is starter code for a program thats ment to play tic tac toe. ive been tinkering with the $4$ functons to make the program work with no sucess. please keep it as simple and clean as possible and have it be able to run a tic tat toe game. please repond if any more info is needed.

$//$ constants

const char SIGIL$[3]=\{\text{'}.\text{'},\text{'}$X$\text{'},\text{'}$O$\text{'}\}$;

$//$ prototypes

int winner$($int board$[3][3])$;

bool isGameOver$($int board$[3][3])$;

void drawBoard$($int board$[3][3])$;

bool isMoveLegal$($int board$[3][3],$ int, int$)$;

$//$ return $1$ if player $1\text{'}$X$\text{'}$ has won

$//$ return $2$ if player $2\text{'}$O$\text{'}$ has won

$//$ return $0$ if neither player has won

int winner$($int board$[3][3])\{$

$$ return $0$;

$\}$

$//$ using this board as a guide

$//$ draw the board using $"."$ for empty squares

$//$ or $\text{'}$X$\text{'}$ or $\text{'}$O$\text{'}$ for player $1$ or player $2$

void drawBoard$($int board$[3][3])\{$

$$ cout $<<"012"<<$ endl;

$$ cout $<<"0..."<<$ endl;

$$ cout $<<"1..."<<$ endl;

$$ cout $<<"2..."<<$ endl;

$\}$

$//$ return false if row or column are out of bounds

$//$ or if that spot on the board is already taken$$

$//$ otherwise return true

bool isMoveLegal$($int board$[3][3],$ int row, int column$)\{$

$$ return true;

$\}$

$//$ if any player has three in a row or if the board is full

$//$ return true otherwise return false

bool isGameOver$($int board$[3][3])\{$

$$ if $($winner$($board$)==1||$ winner$($board$)==2)$ return true;

$$ for$($int r$=0$; r$<=2$; r$++)$

$$ for $($int c$=0$; c$<=2$; c$++)$

$$ if $($board$[$r$][$c$]==0)$

return false;

$$ return true;

$\}$

int main$()\{$

$$ int board$[3][3]=\{\{0\}\}$; $//0$ for empty square, $1$ or $2$ for taken squares

$$ int player $=1$;

$$ int row, column, result;

$$ bool legalMove;

$$

$//$ starting board

$$ drawBoard$($board$)$;

$$ while$(!$isGameOver$($board$))\{$

$$ cout $<<$ "Player $"<<$ player $<<"("<<$ SIGIL$[$player$]<<"),$ your move?";

$$ cin $>>$ row $>>$ column;

$$ legalMove $=$ isMoveLegal$($board$,$ row, column$)$;

$$ while$(!$legalMove$)\{$

$$ cout $<<$ "Player $"<<$ player $<<"("<<$ SIGIL$[$player$]<<"),$ your move?";

$$ cin $>>$ row $>>$ column;

$$ legalMove $=$ isMoveLegal$($board$,$ row, column$)$;

$\}$

$$ board$[$row$][$column$]=$ player;

$$ drawBoard$($board$)$;

$$ player $=3-$ player;

$\}$

$//$ game over

$$ result $=$ winner$($board$)$;

$$ if $($result $==0)\{$

$$ cout $<<$ "Tie Game" $<<$ endl;

$\}$ else $\{$

$$ cout $<<$ "Player $"<<$ result $<<"("<<$ SIGIL$[$result$]<<")$ wins!" $<<$ endl;

$\}$

$$ return $0$;

$\}$