anchor.diff:  :: if one of the modes returned with an error, exit script
   if "%ERRORLEVEL%" NEQ "0" exit /B 1
   
  -:: verify that both variables PTHREAD_HOME and WINPCAP_HOME are set
  +:: verify that all variables: PTHREAD_HOME, WINPCAP_HOME, VS_VERSION are set
   if "%VS_VERSION%"=="" echo Visual studio version was not supplied. Exiting & exit /B 1
   if "%PTHREAD_HOME%"=="" echo pthread-win32 directory was not supplied. Exiting & exit /B 1
   if "%WINPCAP_HOME%"=="" echo WinPcap directory was not supplied. Exiting & exit /B 1
  
positive.code: 	set PlatformToolset=v142
  )
  
  :: go over all vcxproj template files and set the params according to the request VS version
  setlocal enabledelayedexpansion
  set PROJ_LIST_LOCAL=
  for %%P in (mk\vs\*.vcxproj.template) do (
  
negative.code: 
  
  :: -------------------------------------------------------------------
  :: a "function" that prints help information for this script
  :HELP
  echo.
  echo Help documentation for %~nx0
  