PIECE_INC         470 src/attack.cpp    inc_ptr = PIECE_INC(piece);
PIECE_INC         109 src/move_check.cpp          for (inc_ptr = PIECE_INC(piece); (inc=*inc_ptr) != IncNone; inc_ptr++) {
PIECE_INC         118 src/move_check.cpp          for (inc_ptr = PIECE_INC(piece); (inc=*inc_ptr) != IncNone; inc_ptr++) {
PIECE_INC         140 src/move_check.cpp       inc_ptr = PIECE_INC(piece);
PIECE_INC         134 src/move_gen.cpp       inc_ptr = PIECE_INC(piece);