#include "system/boolean.h" #include "system/kolibri.h" #include "system/stdlib.h" #include "system/string.h" #include "system/ctype.h" #include "globals.h" void init_board(); void init_grid_sizes(); void wnd_draw(); void grid_to_pos(unsigned gx, unsigned gy, unsigned* x, unsigned* y); int pos_to_grid(unsigned x, unsigned y, int* gx, int* gy); int check();