UTF8NextCharLen
int32 charLen = UTF8NextCharLen(fTextView->Text() + start);
charLen = UTF8NextCharLen(sourceText, length);
const int32 charLen = UTF8NextCharLen(text);
uint32 charLen = UTF8NextCharLen(string, stringEnd - string);
*bytes = UTF8NextCharLen(fPrivateData + offset);
uint32 charLen = UTF8NextCharLen(string, length);
uint32 charLen = UTF8NextCharLen(string, length);