unsigned int gd_cave_c64_random(GdCave *);
void gd_c64_random_set_seed(GdC64RandomGenerator *rand, int seed1, int seed2);
void gd_cave_c64_random_set_seed(GdCave *cave, int seed1, int seed2);
unsigned int gd_cave_c64_random(GdCave *);
void gd_c64_random_set_seed(GdC64RandomGenerator *rand, int seed1, int seed2);
void gd_cave_c64_random_set_seed(GdCave *cave, int seed1, int seed2);