You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: cpu_netbsd_arm64.go
    path of file: ./repos/lazygit/vendor/golang.org/x/sys/cpu
    
    the code of the file until where you have to start completion: // Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package cpu

import (
	"syscall"
	"unsafe"
)

// Minimal copy of functionality from x/sys/unix so the cpu package can call
// sysctl without depending on x/sys/unix.

const (
	_CTL_QUERY = -2

	_SYSCTL_
    
func sysctlCPUID(name string) (*aarch64SysctlCPUID, error) {
	mib, err := nametomib(name)
	if err != nil {
		return nil, err
	}

	out := aarch64SysctlCPUID{}
	n := unsafe.Sizeof(out)
	_, _, errno := syscall.Syscall6(
		syscall.SYS___SYSCTL,
		uintptr(unsafe.Pointer(&mib[0])),
		uintptr(len(mib)),
		uintptr(unsafe.Pointer(&out)),
		uintptr(unsafe.Pointer(&n)),
		uintptr(0),
		uintptr(0))
	if errno != 0 {
		return nil, errno
	}
	return &out, nil
}