LuaInterface.LuaDLL.lua_upvalueindex C# (CSharp) Method

        public static int lua_upvalueindex(int i)
        {
#if LUA_5_3
            return LuaIndexes.LUA_REGISTRYINDEX - i;
#else
            return LuaIndexes.LUA_GLOBALSINDEX - i;
#endif
        }

 public int LuaUpValueIndex(int i)
 {
     return(LuaDLL.lua_upvalueindex(i));
 }