koppi

/*
 * cwrx.c - ncurses morse decoder for Linux
 *
 * Copyright (c) 2011 - 2023 Jakob Flierl <[email protected]>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *

koppi

/* Tic tac toe in C. */
#include <stdio.h>
#define P printf
enum { X = 'X', O = 'O', N = '\0', C = 'C' };
static char ck(char b[9]) {
  int i, w[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 3, 6,
                1, 4, 7, 2, 5, 8, 0, 4, 8, 2, 4, 6};
  for (i = 0; i < 24; i += 3) {
    if (b[w[i + 0]] == X && b[w[i + 1]] == X && b[w[i + 2]] == X)
      return X;