std::getwchar
From cppreference.com
                    
                                        
                    
                    
                                                            
                    |   Defined in header  <cwchar>
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|   wint_t getwchar();  | 
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Reads the next wide character from stdin.
Parameters
(none)
Return value
The obtained wide character or WEOF if an error has occurred or the end of file reached
See also
|    reads a character from stdin  (function)  | |
|    gets a wide character from a file stream  (function)  |