std::experimental::filesystem::path::c_str
From cppreference.com
                    
                                        
                    < cpp | experimental | fs | path
                    
                                                            
                    |   const value_type* c_str() const; 
 | 
(filesystem TS) | |
Returts C-string version of the path.
Equivalent to native().c_str().
Contents | 
[edit] Parameters
(none)
[edit] Return value
C-string version of the path name.
[edit] Exceptions
noexcept specification:  
noexcept
  [edit] See also
|    returns the native version of the path   (public member function)  |