std::ctype<char>::classic_table
From cppreference.com
                    
                                        
                    < cpp | locale | ctype char
                    
                                                            
                    | Defined in header  <locale> | ||
| static const mask* classic_table(); | ||
Returns the classification table that matches the classification used by the minimal "C" locale.
| Contents | 
[edit] Parameters
(none)
[edit] Return value
A pointer to the first element in the classification table (which an array of size std::ctype<char>::table_size)
[edit] Exceptions
| (none) | (until C++11) | 
| 
noexcept specification:   noexcept | (since C++11) | 
[edit] Notes
Default-constructed std::ctype<char> facets use this table for classification.
[edit] Example
| This section is incomplete Reason: no example |