board_node
board_node = 1;
board_node = 1;
if (board_node) {
if (board_node)
int board_node = 0;
int board_node = 0;
board_node = 1;
board_node = 1;
if (board_node) {
if (board_node) {
int board_node = 0;
board_node = 1;
board_node = 1;
if (board_node) {
if (board_node) {
typedef struct board_node Board_node;
int board_node = 0;
board_node = 1;
board_node = 1;
if (board_node) {
if (board_node) {
int board_node = 0;
board_node = 1;
board_node = 1;
if (board_node) {
if (board_node) {