var s BpfStat
	err := ioctlPtr(fd, BIOCGSTATS, unsafe.Pointer(&s))
	if err != nil {
		return nil, err
	}
	return &s, nil
}

// Deprecated: Use golang.org/x/net/bpf instead.
func SetBpfImmediate(fd, m int) error {
	err := ioctlPtr(fd, BIOCIMMEDIATE, unsafe.Pointer(&m))
	if err != nil {
		return err
	}
	return nil
}

// Deprecated: Use golang.org/x/net/bpf instead.