void read_high_score_table(void);
void write_high_score_table(void);
int snprintscore(char *s, size_t n, int score);
void show_score(void);
void read_high_score_table(void);
void write_high_score_table(void);
int snprintscore(char *s, size_t n, int score);
void show_score(void);