unsigned long long strtoull(const char *str, char **end, int base);
unsigned long strtoul(const char *str, char **end, int base);
signed long long strtoll(const char *str, char **end, int base);
signed long strtol(const char *str, char **end, int base);
unsigned long long strtoull(const char *str, char **end, int base);
unsigned long strtoul(const char *str, char **end, int base);
signed long long strtoll(const char *str, char **end, int base);
signed long strtol(const char *str, char **end, int base);