#ifndef UTIL_H_ #define UTIL_H_ #include #include #include #include #include #include // Magic number to be returned in case something goes wrong. Lets the program know an error occured. This is kind of a hack. #define ERRORRETURN 10787253 void null_terminate(char str[]); bool is_num(char *str); bool is_int(char *str); bool is_positive_int(int num); int get_clean_int(); double get_clean_num(); bool will_square_overflow(unsigned long long num); #endif // UTIL_H_