fhc_bd_first
board = fhc_bd_first();
for (bdlist = fhc_bd_first(); bdlist; bdlist = fhc_bd_next(bdlist))
for (bdp = fhc_bd_first(); bdp; bdp = fhc_bd_next(bdp)) {
for (bdp = fhc_bd_first(); bdp; bdp = fhc_bd_next(bdp))
for (bdp = fhc_bd_first(); bdp; bdp = fhc_bd_next(bdp)) {
for (bdp = fhc_bd_first(); bdp; bdp = fhc_bd_next(bdp)) {
for (list = fhc_bd_first(); list; list = fhc_bd_next(list)) {
for (list = fhc_bd_first(); list; list = fhc_bd_next(list)) {
for (list = fhc_bd_first(); list; list = fhc_bd_next(list)) {
fhc_bd_t *fhc_bd_first(void);