std::basic_osyncstream<CharT,Traits,Allocator>::rdbuf
From cppreference.com
                    
                                        
                    < cpp | io | basic osyncstream
                    
                                                            
                    | syncbuf_type* rdbuf() const noexcept; | ||
Returns a pointer to the underlying std::basic_syncbuf.
Parameters
(none)
Example
| This section is incomplete Reason: no example | 
See also
| obtains a pointer to the final destination stream buffer (public member function) |