var value TCPConnectionInfo
	vallen := _Socklen(SizeofTCPConnectionInfo)
	err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
	return &value, err
}

func SysctlKinfoProc(name string, args ...int) (*KinfoProc, error) {
	mib, err := sysctlmib(name, args...)
	if err != nil {
		return nil, err
	}

	var kinfo KinfoProc
	n := uintptr(SizeofKinfoProc)