DHCP_SUBNET_INFO

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DHCP_HOST_INFO
{
    public uint IpAddress;
    public IntPtr NetBiosName;
    public IntPtr HostName;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DHCP_SUBNET_INFO
{
    public uint SubnetAddress;
    public uint SubnetMask;
    public IntPtr SubnetName;
    public IntPtr SubnetComment;
    public DHCP_HOST_INFO PrimaryHost;
    public int SubnetState;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DHCP_HOST_INFO
    Public IpAddress As UInteger
    Public NetBiosName As IntPtr
    Public HostName As IntPtr
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DHCP_SUBNET_INFO
    Public SubnetAddress As UInteger
    Public SubnetMask As UInteger
    Public SubnetName As IntPtr
    Public SubnetComment As IntPtr
    Public PrimaryHost As DHCP_HOST_INFO
    Public SubnetState As Integer
End Structure

import ctypes
from ctypes import wintypes

class DHCP_HOST_INFO(ctypes.Structure):
    _fields_ = [
        ("IpAddress", wintypes.DWORD),
        ("NetBiosName", ctypes.c_void_p),
        ("HostName", ctypes.c_void_p),
    ]

class DHCP_SUBNET_INFO(ctypes.Structure):
    _fields_ = [
        ("SubnetAddress", wintypes.DWORD),
        ("SubnetMask", wintypes.DWORD),
        ("SubnetName", ctypes.c_void_p),
        ("SubnetComment", ctypes.c_void_p),
        ("PrimaryHost", DHCP_HOST_INFO),
        ("SubnetState", ctypes.c_int),
    ]

#[repr(C)]
pub struct DHCP_HOST_INFO {
    pub IpAddress: u32,
    pub NetBiosName: *mut core::ffi::c_void,
    pub HostName: *mut core::ffi::c_void,
}

#[repr(C)]
pub struct DHCP_SUBNET_INFO {
    pub SubnetAddress: u32,
    pub SubnetMask: u32,
    pub SubnetName: *mut core::ffi::c_void,
    pub SubnetComment: *mut core::ffi::c_void,
    pub PrimaryHost: DHCP_HOST_INFO,
    pub SubnetState: i32,
}

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

type DHCP_HOST_INFO struct {
	IpAddress uint32
	NetBiosName uintptr
	HostName uintptr
}

type DHCP_SUBNET_INFO struct {
	SubnetAddress uint32
	SubnetMask uint32
	SubnetName uintptr
	SubnetComment uintptr
	PrimaryHost DHCP_HOST_INFO
	SubnetState int32
}

type
  DHCP_HOST_INFO = record
    IpAddress: DWORD;
    NetBiosName: Pointer;
    HostName: Pointer;
  end;

  DHCP_SUBNET_INFO = record
    SubnetAddress: DWORD;
    SubnetMask: DWORD;
    SubnetName: Pointer;
    SubnetComment: Pointer;
    PrimaryHost: DHCP_HOST_INFO;
    SubnetState: Integer;
  end;

const DHCP_HOST_INFO = extern struct {
    IpAddress: u32,
    NetBiosName: ?*anyopaque,
    HostName: ?*anyopaque,
};

const DHCP_SUBNET_INFO = extern struct {
    SubnetAddress: u32,
    SubnetMask: u32,
    SubnetName: ?*anyopaque,
    SubnetComment: ?*anyopaque,
    PrimaryHost: DHCP_HOST_INFO,
    SubnetState: i32,
};

type
  DHCP_HOST_INFO {.bycopy.} = object
    IpAddress: uint32
    NetBiosName: pointer
    HostName: pointer

  DHCP_SUBNET_INFO {.bycopy.} = object
    SubnetAddress: uint32
    SubnetMask: uint32
    SubnetName: pointer
    SubnetComment: pointer
    PrimaryHost: DHCP_HOST_INFO
    SubnetState: int32

struct DHCP_HOST_INFO
{
    uint IpAddress;
    void* NetBiosName;
    void* HostName;
}

struct DHCP_SUBNET_INFO
{
    uint SubnetAddress;
    uint SubnetMask;
    void* SubnetName;
    void* SubnetComment;
    DHCP_HOST_INFO PrimaryHost;
    int SubnetState;
}