DecompressFileW
return DecompressFileW(spInputFile, pOutputFilename ? static_cast<str_utf16*>(spOutputFile) : NULL, pPercentageDone, ProgressCallback, pKillFlag);
DLLEXPORT int __stdcall DecompressFileW(const str_utf16 * pInputFilename, const str_utf16 * pOutputFilename, int * pPercentageDone, APE_PROGRESS_CALLBACK ProgressCallback, int * pKillFlag);