size_t multiBytes, // the byte length of the multibyte character sequence that can be decoded by "converter"
const char* utf8Buffer, // the same character sequence as multiBuffer, encoded as UTF-8
size_t utf8Bytes, // the byte length of the UTF-8 encoded character sequence
size_t multiBytes, // the byte length of the multibyte character sequence that can be decoded by "converter"
const char* utf8Buffer, // the same character sequence as multiBuffer, encoded as UTF-8
size_t utf8Bytes, // the byte length of the UTF-8 encoded character sequence