StringFromCLSID   666 ext/com_dotnet/com_com.c 	if (CoCreateGuid(&retval) == S_OK && StringFromCLSID(&retval, &guid_string) == S_OK) {
StringFromCLSID   426 ext/com_dotnet/com_typeinfo.c 	StringFromCLSID(clsid, &ole_clsid);