--- brick.h.orig 2020-08-28 18:12:58 UTC +++ brick.h @@ -8,7 +8,7 @@ void find_index(char [4][4], unsigned char *, unsigned char check_brick(char [BOARD_HEIGHT][BOARD_WIDTH], char [4][4], const unsigned char, const unsigned char); void draw_to_board(char [BOARD_HEIGHT][BOARD_WIDTH], char [4][4], const char, const unsigned char, const unsigned char); -char brick_digit[7][4][4]; +extern char brick_digit[7][4][4]; #endif