Here[
^] you will find almost anything related to
CString
class. It is a great reference from
Dr. Joseph M. Newcomer.
The answer of your question is in
Unicode and CStrings[
^] section (examine the conversion tables).
After that read the
UTF-7 and UTF-8 in CStrings[
^] section (here you will find out that some
CString
methods may produce unexpected results).