112       operator<<(__ostream_type& (*__pf)(__ostream_type&))  in _GLIBCXX_BEGIN_NAMESPACE()
121       operator<<(__ios_type& (*__pf)(__ios_type&))  in _GLIBCXX_BEGIN_NAMESPACE()
131       operator<<(ios_base& (*__pf) (ios_base&))  in _GLIBCXX_BEGIN_NAMESPACE()
169       operator<<(long __n)  in _GLIBCXX_BEGIN_NAMESPACE()
173       operator<<(unsigned long __n)  in _GLIBCXX_BEGIN_NAMESPACE()
177       operator<<(bool __n)  in _GLIBCXX_BEGIN_NAMESPACE()
181       operator<<(short __n);  in _GLIBCXX_BEGIN_NAMESPACE()
184       operator<<(unsigned short __n)  in _GLIBCXX_BEGIN_NAMESPACE()
192       operator<<(int __n);  in _GLIBCXX_BEGIN_NAMESPACE()
195       operator<<(unsigned int __n)  in _GLIBCXX_BEGIN_NAMESPACE()
204       operator<<(long long __n)  in _GLIBCXX_BEGIN_NAMESPACE()
208       operator<<(unsigned long long __n)  in _GLIBCXX_BEGIN_NAMESPACE()
213       operator<<(double __f)  in _GLIBCXX_BEGIN_NAMESPACE()
217       operator<<(float __f)  in _GLIBCXX_BEGIN_NAMESPACE()
225       operator<<(long double __f)  in _GLIBCXX_BEGIN_NAMESPACE()
229       operator<<(const void* __p)  in _GLIBCXX_BEGIN_NAMESPACE()
254       operator<<(__streambuf_type* __sb);  in _GLIBCXX_BEGIN_NAMESPACE()
430       operator bool() const
453     operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
458     operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
464     operator<<(basic_ostream<char, _Traits>& __out, char __c)
470     operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
475     operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
495     operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
507     operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s);
512     operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
525     operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s)
530     operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s)