[]uintptr{}))))
	// __errno2()
	errno2 := int(runtime.CallLeFuncByPtr(runtime.XplinkLibvec+SYS___ERRNO2<<4,
		[]uintptr{}))
	// strerror_r()
	ret = runtime.CallLeFuncByPtr(runtime.XplinkLibvec+SYS_STRERROR_R<<4,
		[]uintptr{uintptr(errno), uintptr(unsafe.Pointer(&buffer[0])), 1024})
	if ret == 0 {
		zb := bytes.IndexByte(buffer[:], 0)
		if zb == -1 {