package unix

import (
	"unsafe"
)

// Helpers for dealing with ifreq since it contains a union and thus requires a
// lot of unsafe.Pointer casts to use properly.

// An Ifreq is a type-safe wrapper around the raw ifreq struct. An Ifreq
// contains an interface name and a union of arbitrary data which can be
// accessed using the Ifreq's methods. To create an Ifreq, use the NewIfreq
// function.
//

	return ByteSliceToString(value[:]), err
}

// IoctlIfreq performs an ioctl using an Ifreq structure for input and/or
// output. See the netdevice(7) man page for details.
func IoctlIfreq(fd int, req uint, value *Ifreq) error {
	// It is possible we will add more fields to *Ifreq itself later to prevent
	// misuse, so pass the raw *ifreq directly.
	return ioctlPtr(fd, req, unsafe.Pointer(&value.raw))
}

	return &ifreq, err
}

// IoctlSetIfreqMTU performs the SIOCSIFMTU ioctl operation on fd to set the MTU
// of the network device specified by ifreq.Name.
func IoctlSetIfreqMTU(fd int, ifreq *IfreqMTU) error {
	return ioctlPtr(fd, SIOCSIFMTU, unsafe.Pointer(ifreq))
}

//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS_SYSCTL

func Uname(uname *Utsname) error {

	"syscall"
	"unsafe"
)

type rawSockaddrDatalink struct {
	Len    uint8
	Family uint8
	Index  uint16
	Type   uint8
	Nlen   uint8
	Alen   uint8
	Slen   uint8
	Data   [120]byte
}

type ifreq struct {
	Name [16]uint8
	Ifru [16]byte
}

const _KINFO_RT_IFLIST = (0x1 << 8) | 3 | (1 << 30)

const _RTAX_NETMASK = 2
const _RTAX_IFA = 5
const _RTAX_MAX = 8

func getIfList() ([]byte, error) {

	Iovlen     uint64
	Control    *byte
	Controllen uint64
	Flags      int32
	_          [4]byte
}

type Cmsghdr struct {
	Len   uint64
	Level int32
	Type  int32
}

type ifreq struct {
	Ifrn [16]byte
	Ifru [24]byte
}

const (
	SizeofSockaddrNFCLLCP = 0x60
	SizeofIovec           = 0x10
	SizeofMsghdr          = 0x38
	SizeofCmsghdr         = 0x10
)

const (

	Iov        *Iovec
	Iovlen     uint32
	Control    *byte
	Controllen uint32
	Flags      int32
}

type Cmsghdr struct {
	Len   uint32
	Level int32
	Type  int32
}

type ifreq struct {
	Ifrn [16]byte
	Ifru [16]byte
}

const (
	SizeofSockaddrNFCLLCP = 0x58
	SizeofIovec           = 0x8
	SizeofMsghdr          = 0x1c
	SizeofCmsghdr         = 0xc
)

const (

	Iovlen     uint64
	Control    *byte
	Controllen uint64
	Flags      int32
	_          [4]byte
}

type Cmsghdr struct {
	Len   uint64
	Level int32
	Type  int32
}

type ifreq struct {
	Ifrn [16]byte
	Ifru [24]byte
}

const (
	SizeofSockaddrNFCLLCP = 0x60
	SizeofIovec           = 0x10
	SizeofMsghdr          = 0x38
	SizeofCmsghdr         = 0x10
)

const (

	Iov        *Iovec
	Iovlen     uint32
	Control    *byte
	Controllen uint32
	Flags      int32
}

type Cmsghdr struct {
	Len   uint32
	Level int32
	Type  int32
}

type ifreq struct {
	Ifrn [16]byte
	Ifru [16]byte
}

const (
	SizeofSockaddrNFCLLCP = 0x58
	SizeofIovec           = 0x8
	SizeofMsghdr          = 0x1c
	SizeofCmsghdr         = 0xc
)

const (

	Iovlen     uint64
	Control    *byte
	Controllen uint64
	Flags      int32
	_          [4]byte
}

type Cmsghdr struct {
	Len   uint64
	Level int32
	Type  int32
}

type ifreq struct {
	Ifrn [16]byte
	Ifru [24]byte
}

const (
	SizeofSockaddrNFCLLCP = 0x60
	SizeofIovec           = 0x10
	SizeofMsghdr          = 0x38
	SizeofCmsghdr         = 0x10
)

const (

	Iovlen     uint64
	Control    *byte
	Controllen uint64
	Flags      int32
	_          [4]byte
}

type Cmsghdr struct {
	Len   uint64
	Level int32
	Type  int32
}

type ifreq struct {
	Ifrn [16]byte
	Ifru [24]byte
}

const (
	SizeofSockaddrNFCLLCP = 0x60
	SizeofIovec           = 0x10
	SizeofMsghdr          = 0x38
	SizeofCmsghdr         = 0x10
)

const (