btowc
From cppreference.com
                    
                                        
                    
                    
                                                            
                    | Defined in header  <wchar.h> | ||
| wint_t btowc( int c ); | ||
Widens a single-byte character c to its wide character equivalent.
Most multibyte character encodings use single-byte codes to represent the characters from the ASCII character set. This function may be used to convert such characters to wchar_t.
| Contents | 
[edit] Parameters
| c | - | single-byte character to widen | 
[edit] Return value
WEOF if c is EOF
wide character representation of c if (unsigned char)c is a valid single-byte character in the initial shift state, WEOF otherwise.
[edit] Example
| This section is incomplete Reason: no example | 
[edit] See also
| narrows a wide character to a single-byte narrow character, if possible (function) | |
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C++ documentation for btowc
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