SnmpVarBind

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, Pack = 4, CharSet = CharSet.Unicode)]
public struct AsnObjectIdentifier
{
    public uint idLength;
    public IntPtr ids;
}

[StructLayout(LayoutKind.Sequential, Pack = 4, CharSet = CharSet.Unicode)]
public struct AsnAny
{
    public byte asnType;
    public _asnValue_e__Union asnValue;
}

[StructLayout(LayoutKind.Sequential, Pack = 4, CharSet = CharSet.Unicode)]
public struct SnmpVarBind
{
    public AsnObjectIdentifier name;
    public AsnAny value;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, Pack:=4, CharSet:=CharSet.Unicode)>
Public Structure AsnObjectIdentifier
    Public idLength As UInteger
    Public ids As IntPtr
End Structure

<StructLayout(LayoutKind.Sequential, Pack:=4, CharSet:=CharSet.Unicode)>
Public Structure AsnAny
    Public asnType As Byte
    Public asnValue As _asnValue_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, Pack:=4, CharSet:=CharSet.Unicode)>
Public Structure SnmpVarBind
    Public name As AsnObjectIdentifier
    Public value As AsnAny
End Structure

import ctypes
from ctypes import wintypes

class AsnObjectIdentifier(ctypes.Structure):
    _pack_ = 4
    _fields_ = [
        ("idLength", wintypes.DWORD),
        ("ids", ctypes.c_void_p),
    ]

class AsnAny(ctypes.Structure):
    _pack_ = 4
    _fields_ = [
        ("asnType", ctypes.c_ubyte),
        ("asnValue", _asnValue_e__Union),
    ]

class SnmpVarBind(ctypes.Structure):
    _pack_ = 4
    _fields_ = [
        ("name", AsnObjectIdentifier),
        ("value", AsnAny),
    ]

#[repr(C, packed(4))]
pub struct AsnObjectIdentifier {
    pub idLength: u32,
    pub ids: *mut core::ffi::c_void,
}

#[repr(C, packed(4))]
pub struct AsnAny {
    pub asnType: u8,
    pub asnValue: _asnValue_e__Union,
}

#[repr(C, packed(4))]
pub struct SnmpVarBind {
    pub name: AsnObjectIdentifier,
    pub value: AsnAny,
}

import "golang.org/x/sys/windows"

type AsnObjectIdentifier struct {
	idLength uint32
	ids uintptr
}

type AsnAny struct {
	asnType byte
	asnValue _asnValue_e__Union
}

type SnmpVarBind struct {
	name AsnObjectIdentifier
	value AsnAny
}

type
  AsnObjectIdentifier = packed record
    idLength: DWORD;
    ids: Pointer;
  end;

  AsnAny = packed record
    asnType: Byte;
    asnValue: _asnValue_e__Union;
  end;

  SnmpVarBind = packed record
    name: AsnObjectIdentifier;
    value: AsnAny;
  end;

const AsnObjectIdentifier = extern struct {
    idLength: u32,
    ids: ?*anyopaque,
};

const AsnAny = extern struct {
    asnType: u8,
    asnValue: _asnValue_e__Union,
};

const SnmpVarBind = extern struct {
    name: AsnObjectIdentifier,
    value: AsnAny,
};

type
  AsnObjectIdentifier {.packed.} = object
    idLength: uint32
    ids: pointer

  AsnAny {.packed.} = object
    asnType: uint8
    asnValue: _asnValue_e__Union

  SnmpVarBind {.packed.} = object
    name: AsnObjectIdentifier
    value: AsnAny

align(4)
struct AsnObjectIdentifier
{
    uint idLength;
    void* ids;
}

align(4)
struct AsnAny
{
    ubyte asnType;
    _asnValue_e__Union asnValue;
}

align(4)
struct SnmpVarBind
{
    AsnObjectIdentifier name;
    AsnAny value;
}