anchor.diff:  ) else ( 
       call :READ_PARAMS_FROM_USER 
   )
  +
   :: if one of the modes returned with an error, exit script
   if "%ERRORLEVEL%" NEQ "0" exit /B 1
   
  
positive.code: echo ***********************************************
  echo.
  
  :: initially set PCAP_SDK_HOME and PTHREAD_HOME to empty values
  set PCAP_SDK_HOME=
  set PTHREAD_HOME=
  set ZSTD_HOME=\
  set ZSTD_INCLUDE_PATH=
  set ZSTD_LIB_NAME=
  
negative.code: :: ask user about using zstd
  echo ZStd compression support may be added when compiling PcapPlusPlus.
  echo For downloading ZStd SDK (developer's pack) please go to https://github.com/facebook/zstd/releases
  :while4
  :: ask the user to type ZStd SDK dir
  set /p ZSTD_HOME=    Please specify ZStd SDK path or type "no" to build without ZStd: %=%
  if "%USE_ZSTD%" EQU "no" goto skipWhile4
  :: if input dir doesn't exist print an error to the user and go back to previous line
  if not exist "%ZSTD_HOME%"\ (echo Directory does not exist!! && goto while4)
  set USE_ZSTD=USE_Z_STD;
  