UTIL_DIR=c:\program files\utility LUA_DIR=c:\program files\lua\5.1 LUA_CPATH=?.dll;%LUA_DIR%\?.dll LUA_PATH=?.lua;%LUA_DIR%\?.lua The UTIL_DIRvariable identifies the utility directory you created in the preceding section. Additionally, if you have a software development kit and intend to compile Lua and possibly libraries for Lua, set the following environment variables: SDK_DIR=c:\program files\msc INCLUDE=%SDK_DIR%\include;%SDK_DIR%\include\usr LIB=%SDK_DIR%\lib;%SDK_DIR%\lib\usr