wctob
From cppreference.com
                    
                                        
                    
                    
                                                            
                    |   Defined in header  
<wchar.h>
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|   int wctob( wint_t c ); 
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Narrows a wide character c if its multibyte character equivalent in the initial shift state is a single byte.
This is typically possible for the characters from the ASCII character set, since most multibyte encodings (such as UTF-8) use single bytes to encode those characters.
Contents | 
[edit] Parameters
| c | - | wide character to narrow | 
[edit] Return value
EOF if c does not represent a multibyte character with length 1 in initial shift state.
otherwise, the single-byte representation of c as unsigned char converted to int
[edit] Example
| This section is incomplete Reason: no example  | 
[edit] See also
|    widens a single-byte narrow character to wide character, if possible  (function)  | 
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