char *checkwin(char board[2][2])  // Prototype might be a bit off, adjust accordingly ;)
{
  // Check horizontal
  for(int y=0;y<3;y++) {
    int xs, os;
    for(int x=0;x<3;x++) {
      xs += (board[x][y] = = 'X');
      os += (board[x][y] = = 'O');
    }
  }
  if(xs= =3) return("X Wins");
  if(os= =3) return("O Wins");

  // Check vertical
  for(int x=0;x<3;x++) {
    int xs, os;
    for(int y=0;y<3;y++) {
      xs += (board[x][y] = = 'X');
      os += (board[x][y] = = 'O');
    }
  }
  if(xs= =3) return("X Wins");
  if(os= =3) return("O Wins");

  // Check left-right diag
  for(int a=0,xs=0,os=0;a<3;a++) {
    xs += (board[a][a] = = 'X');
    os += (board[a][a] = = 'O');
  }
  if(xs= =3) return("X Wins");
  if(os= =3) return("O Wins");

  // Check right-left diag
  for(int a=0,xs=0,os=0;a<3;a++) {
    xs += (board[a][2-a] = = 'X');
    os += (board[a][2-a] = = 'O');
  }
  if(xs= =3) return("X Wins");
  if(os= =3) return("O Wins");

// No winnar.
  return;
}