HunterVL

void beep(String letter){
  //Beeps letter
  for (int index = 0; index < letter.length(); index++){
    //Figures out if char is dot or dash and turns it on and off with varying delay.
    switch (letter[index]) {
      case '.':
        digitalWrite(13, HIGH);
        delay(100);
        digitalWrite(13, LOW);
        break;

HunterVL

#define compareBoxes(box1, box2, box3) ((board[box1] == board[box2]) && (board[box2] == board[box3]) && (board[box1] != 0)) //Checkes if three items are the same, and makes sure they're not 0's.
#define numberToLetter(x) ((x > 0) ? (x == 1) ? 'X' : 'O' : ' ') //Takes the number and turns it into the letter or space.

int getWinner(int board[9]) {
  //Finds winner of game, if there is no winner, returns 0.
  int winner = 0;
  for (int x = 0; x < 3; x++) {
    if (compareBoxes(3*x, 3*x+1, 3*x+2)) { //Chekcs rows.
      winner = board[3*x];
      break;

HunterVL

#include <iostream>
#include <cstring>
#include <algorithm>
#include <ctime>

using namespace std;

#define compareBoxes(box1, box2, box3) ((board[box1] == board[box2]) && (board[box2] == board[box3]) && (board[box1] != 0)) //Checkes if three items are the same, and makes sure they're not 0's.
#define numberToLetter(x) ((x > 0) ? (x == 1) ? 'X' : 'O' : ' ') //Takes the number and turns it into the letter or space.