// process. If inheritExisting is true, then this environment also inherits the
// environment of the current process.
func (token Token) Environ(inheritExisting bool) (env []string, err error) {
	var block *uint16
	err = CreateEnvironmentBlock(&block, token, inheritExisting)
	if err != nil {
		return nil, err
	}
	defer DestroyEnvironmentBlock(block)
	size := unsafe.Sizeof(*block)
	for *block != 0 {
		// find NUL terminator

// will be sourced from syscall.Environ().
func Default(sys *syscall.SysProcAttr) (env []string, err error) {
	if sys == nil || sys.Token == 0 {
		return syscall.Environ(), nil
	}
	var blockp *uint16
	err = windows.CreateEnvironmentBlock(&blockp, sys.Token, false)
	if err != nil {
		return nil, err
	}
	defer windows.DestroyEnvironmentBlock(blockp)

	const size = unsafe.Sizeof(*blockp)

func ErrorLoadingGetTempPath2() error {
	return procGetTempPath2W.Find()
}

//sys	CreateEnvironmentBlock(block **uint16, token syscall.Token, inheritExisting bool) (err error) = userenv.CreateEnvironmentBlock
//sys	DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock

	procRtlGetVersion                     = modntdll.NewProc("RtlGetVersion")
	procGetProcessMemoryInfo              = modpsapi.NewProc("GetProcessMemoryInfo")
	procCreateEnvironmentBlock            = moduserenv.NewProc("CreateEnvironmentBlock")
	procDestroyEnvironmentBlock           = moduserenv.NewProc("DestroyEnvironmentBlock")
	procGetProfilesDirectoryW             = moduserenv.NewProc("GetProfilesDirectoryW")

//sys	ExpandEnvironmentStrings(src *uint16, dst *uint16, size uint32) (n uint32, err error) = kernel32.ExpandEnvironmentStringsW
//sys	CreateEnvironmentBlock(block **uint16, token Token, inheritExisting bool) (err error) = userenv.CreateEnvironmentBlock
//sys	DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock
//sys	getTickCount64() (ms uint64) = kernel32.GetTickCount64

	procMessageBoxW                                          = moduser32.NewProc("MessageBoxW")
	procCreateEnvironmentBlock                               = moduserenv.NewProc("CreateEnvironmentBlock")
	procDestroyEnvironmentBlock                              = moduserenv.NewProc("DestroyEnvironmentBlock")
	procGetUserProfileDirectoryW                             = moduserenv.NewProc("GetUserProfileDirectoryW")