namespace gnu_np {

inline int
stoi(const string& __str, size_t* __idx = 0, int __base = 10)
{ return __gnu_cxx::__stoa<long, int>(&std::strtol, "stoi", __str.c_str(),
                  __idx, __base); }

inline short
stos(const string& __str, size_t* __idx = 0, int __base = 10)
{ return __gnu_cxx::__stoa<long, short>(&std::strtol, "stos", __str.c_str(),
                  __idx, __base); }

inline char
stoc(const string& __str, size_t* __idx = 0, int __base = 10)
{ return __gnu_cxx::__stoa<long, char>(&std::strtol, "stoc", __str.c_str(),
                  __idx, __base); }

inline unsigned
stou(const string& __str, size_t* __idx = 0, int __base = 10)
{ return __gnu_cxx::__stoa<unsigned long, unsigned>(&std::strtoul, "stou", __str.c_str(),
                  __idx, __base); }

inline unsigned short
stous(const string& __str, size_t* __idx = 0, int __base = 10)
{ return __gnu_cxx::__stoa<unsigned long, unsigned short>(&std::strtoul, "stous", __str.c_str(),
                  __idx, __base); }

inline unsigned char
stouc(const string& __str, size_t* __idx = 0, int __base = 10)
{ return __gnu_cxx::__stoa<unsigned long, unsigned char>(&std::strtoul, "stouc", __str.c_str(),
                  __idx, __base); }

} // namespace gnu_np