- board->cells[0] == board->cells[3] && board->cells[3] == board->cells[6] ||
- board->cells[1] == board->cells[4] && board->cells[4] == board->cells[7] ||
- board->cells[2] == board->cells[5] && board->cells[5] == board->cells[8] ||
- board->cells[0] == board->cells[1] && board->cells[1] == board->cells[2] ||
- board->cells[3] == board->cells[4] && board->cells[4] == board->cells[5] ||
- board->cells[6] == board->cells[7] && board->cells[7] == board->cells[8] ||
- board->cells[0] == board->cells[4] && board->cells[4] == board->cells[8] ||
- board->cells[2] == board->cells[4] && board->cells[4] == board->cells[6]
+ (board->cells[0] == board->cells[3] && board->cells[3] == board->cells[6] && board->cells[0] != TTT_CELL_EMPTY) ||
+ (board->cells[1] == board->cells[4] && board->cells[4] == board->cells[7] && board->cells[1] != TTT_CELL_EMPTY) ||
+ (board->cells[2] == board->cells[5] && board->cells[5] == board->cells[8] && board->cells[2] != TTT_CELL_EMPTY) ||
+ (board->cells[0] == board->cells[1] && board->cells[1] == board->cells[2] && board->cells[0] != TTT_CELL_EMPTY) ||
+ (board->cells[3] == board->cells[4] && board->cells[4] == board->cells[5] && board->cells[3] != TTT_CELL_EMPTY) ||
+ (board->cells[6] == board->cells[7] && board->cells[7] == board->cells[8] && board->cells[6] != TTT_CELL_EMPTY) ||
+ (board->cells[0] == board->cells[4] && board->cells[4] == board->cells[8] && board->cells[0] != TTT_CELL_EMPTY) ||
+ (board->cells[2] == board->cells[4] && board->cells[4] == board->cells[6] && board->cells[2] != TTT_CELL_EMPTY)