cdef int wchar_t_size = 2

cdef void CharToWidechar(char* charString, wchar_t* wideString, int wideSize):

cdef int copiedCharacters = MultiByteToWideChar(

CP_UTF8, 0, charString, -1, wideString, wideSize)

# MultiByteToWideChar does not include the NULL character

# when 0 bytes are written.

if wideSize > 0 and copiedCharacters == 0:

wideString[0] = <wchar_t>0

cdef str WidecharToPyString(

wchar_t* wcharString):

cdef int charBytes = WideCharToMultiByte(

CP_UTF8, 0, wcharString, -1, NULL, 0, NULL, NULL)

assert charBytes > 0, "WideCharToMultiByte() returned 0"

cdef char* charString = <char*>malloc(charBytes * sizeof(char))

cdef int copiedBytes = WideCharToMultiByte(

CP_UTF8, 0, wcharString, -1, charString, charBytes, NULL, NULL)

# WideCharToMultiByte does not include the NULL character

# when 0 bytes are written.

if copiedBytes == 0:

charString[0] = <char>0;

cdef str pyString = CharToPyString(charString)

free(charString)

return pyString