function luaU.header(X)local l=1 return X.LUA_SIGNATURE..string.char(X.LUAC_VERSION,X.LUAC_FORMAT,l,4,4,4,8,0)end

function luaU:header()
 local x = 1
 return self.LUA_SIGNATURE..
        string.char(
          self.LUAC_VERSION,
          self.LUAC_FORMAT,
          x,                    -- endianness (1=little)
          4,                    -- sizeof(int)
          4,                    -- sizeof(size_t)
          4,                    -- sizeof(Instruction)
          8,                    -- sizeof(lua_Number)
          0)                    -- is lua_Number integral?
end
