PPP_PROJECTION_INFO

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct PPP_PROJECTION_INFO
{
    public uint dwIPv4NegotiationError;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)] public string wszAddress;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)] public string wszRemoteAddress;
    public uint dwIPv4Options;
    public uint dwIPv4RemoteOptions;
    public ulong IPv4SubInterfaceIndex;
    public uint dwIPv6NegotiationError;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] public byte[] bInterfaceIdentifier;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] public byte[] bRemoteInterfaceIdentifier;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] public byte[] bPrefix;
    public uint dwPrefixLength;
    public ulong IPv6SubInterfaceIndex;
    public uint dwLcpError;
    public uint dwAuthenticationProtocol;
    public uint dwAuthenticationData;
    public uint dwRemoteAuthenticationProtocol;
    public uint dwRemoteAuthenticationData;
    public uint dwLcpTerminateReason;
    public uint dwLcpRemoteTerminateReason;
    public uint dwLcpOptions;
    public uint dwLcpRemoteOptions;
    public uint dwEapTypeId;
    public uint dwRemoteEapTypeId;
    public uint dwCcpError;
    public uint dwCompressionAlgorithm;
    public uint dwCcpOptions;
    public uint dwRemoteCompressionAlgorithm;
    public uint dwCcpRemoteOptions;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure PPP_PROJECTION_INFO
    Public dwIPv4NegotiationError As UInteger
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=16)> Public wszAddress As String
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=16)> Public wszRemoteAddress As String
    Public dwIPv4Options As UInteger
    Public dwIPv4RemoteOptions As UInteger
    Public IPv4SubInterfaceIndex As ULong
    Public dwIPv6NegotiationError As UInteger
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=8)> Public bInterfaceIdentifier() As Byte
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=8)> Public bRemoteInterfaceIdentifier() As Byte
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=8)> Public bPrefix() As Byte
    Public dwPrefixLength As UInteger
    Public IPv6SubInterfaceIndex As ULong
    Public dwLcpError As UInteger
    Public dwAuthenticationProtocol As UInteger
    Public dwAuthenticationData As UInteger
    Public dwRemoteAuthenticationProtocol As UInteger
    Public dwRemoteAuthenticationData As UInteger
    Public dwLcpTerminateReason As UInteger
    Public dwLcpRemoteTerminateReason As UInteger
    Public dwLcpOptions As UInteger
    Public dwLcpRemoteOptions As UInteger
    Public dwEapTypeId As UInteger
    Public dwRemoteEapTypeId As UInteger
    Public dwCcpError As UInteger
    Public dwCompressionAlgorithm As UInteger
    Public dwCcpOptions As UInteger
    Public dwRemoteCompressionAlgorithm As UInteger
    Public dwCcpRemoteOptions As UInteger
End Structure

import ctypes
from ctypes import wintypes

class PPP_PROJECTION_INFO(ctypes.Structure):
    _fields_ = [
        ("dwIPv4NegotiationError", wintypes.DWORD),
        ("wszAddress", ctypes.c_wchar * 16),
        ("wszRemoteAddress", ctypes.c_wchar * 16),
        ("dwIPv4Options", wintypes.DWORD),
        ("dwIPv4RemoteOptions", wintypes.DWORD),
        ("IPv4SubInterfaceIndex", ctypes.c_ulonglong),
        ("dwIPv6NegotiationError", wintypes.DWORD),
        ("bInterfaceIdentifier", ctypes.c_ubyte * 8),
        ("bRemoteInterfaceIdentifier", ctypes.c_ubyte * 8),
        ("bPrefix", ctypes.c_ubyte * 8),
        ("dwPrefixLength", wintypes.DWORD),
        ("IPv6SubInterfaceIndex", ctypes.c_ulonglong),
        ("dwLcpError", wintypes.DWORD),
        ("dwAuthenticationProtocol", wintypes.DWORD),
        ("dwAuthenticationData", wintypes.DWORD),
        ("dwRemoteAuthenticationProtocol", wintypes.DWORD),
        ("dwRemoteAuthenticationData", wintypes.DWORD),
        ("dwLcpTerminateReason", wintypes.DWORD),
        ("dwLcpRemoteTerminateReason", wintypes.DWORD),
        ("dwLcpOptions", wintypes.DWORD),
        ("dwLcpRemoteOptions", wintypes.DWORD),
        ("dwEapTypeId", wintypes.DWORD),
        ("dwRemoteEapTypeId", wintypes.DWORD),
        ("dwCcpError", wintypes.DWORD),
        ("dwCompressionAlgorithm", wintypes.DWORD),
        ("dwCcpOptions", wintypes.DWORD),
        ("dwRemoteCompressionAlgorithm", wintypes.DWORD),
        ("dwCcpRemoteOptions", wintypes.DWORD),
    ]

#[repr(C)]
pub struct PPP_PROJECTION_INFO {
    pub dwIPv4NegotiationError: u32,
    pub wszAddress: [u16; 16],
    pub wszRemoteAddress: [u16; 16],
    pub dwIPv4Options: u32,
    pub dwIPv4RemoteOptions: u32,
    pub IPv4SubInterfaceIndex: u64,
    pub dwIPv6NegotiationError: u32,
    pub bInterfaceIdentifier: [u8; 8],
    pub bRemoteInterfaceIdentifier: [u8; 8],
    pub bPrefix: [u8; 8],
    pub dwPrefixLength: u32,
    pub IPv6SubInterfaceIndex: u64,
    pub dwLcpError: u32,
    pub dwAuthenticationProtocol: u32,
    pub dwAuthenticationData: u32,
    pub dwRemoteAuthenticationProtocol: u32,
    pub dwRemoteAuthenticationData: u32,
    pub dwLcpTerminateReason: u32,
    pub dwLcpRemoteTerminateReason: u32,
    pub dwLcpOptions: u32,
    pub dwLcpRemoteOptions: u32,
    pub dwEapTypeId: u32,
    pub dwRemoteEapTypeId: u32,
    pub dwCcpError: u32,
    pub dwCompressionAlgorithm: u32,
    pub dwCcpOptions: u32,
    pub dwRemoteCompressionAlgorithm: u32,
    pub dwCcpRemoteOptions: u32,
}

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

type PPP_PROJECTION_INFO struct {
	dwIPv4NegotiationError uint32
	wszAddress [16]uint16
	wszRemoteAddress [16]uint16
	dwIPv4Options uint32
	dwIPv4RemoteOptions uint32
	IPv4SubInterfaceIndex uint64
	dwIPv6NegotiationError uint32
	bInterfaceIdentifier [8]byte
	bRemoteInterfaceIdentifier [8]byte
	bPrefix [8]byte
	dwPrefixLength uint32
	IPv6SubInterfaceIndex uint64
	dwLcpError uint32
	dwAuthenticationProtocol uint32
	dwAuthenticationData uint32
	dwRemoteAuthenticationProtocol uint32
	dwRemoteAuthenticationData uint32
	dwLcpTerminateReason uint32
	dwLcpRemoteTerminateReason uint32
	dwLcpOptions uint32
	dwLcpRemoteOptions uint32
	dwEapTypeId uint32
	dwRemoteEapTypeId uint32
	dwCcpError uint32
	dwCompressionAlgorithm uint32
	dwCcpOptions uint32
	dwRemoteCompressionAlgorithm uint32
	dwCcpRemoteOptions uint32
}

type
  PPP_PROJECTION_INFO = record
    dwIPv4NegotiationError: DWORD;
    wszAddress: array[0..15] of WideChar;
    wszRemoteAddress: array[0..15] of WideChar;
    dwIPv4Options: DWORD;
    dwIPv4RemoteOptions: DWORD;
    IPv4SubInterfaceIndex: UInt64;
    dwIPv6NegotiationError: DWORD;
    bInterfaceIdentifier: array[0..7] of Byte;
    bRemoteInterfaceIdentifier: array[0..7] of Byte;
    bPrefix: array[0..7] of Byte;
    dwPrefixLength: DWORD;
    IPv6SubInterfaceIndex: UInt64;
    dwLcpError: DWORD;
    dwAuthenticationProtocol: DWORD;
    dwAuthenticationData: DWORD;
    dwRemoteAuthenticationProtocol: DWORD;
    dwRemoteAuthenticationData: DWORD;
    dwLcpTerminateReason: DWORD;
    dwLcpRemoteTerminateReason: DWORD;
    dwLcpOptions: DWORD;
    dwLcpRemoteOptions: DWORD;
    dwEapTypeId: DWORD;
    dwRemoteEapTypeId: DWORD;
    dwCcpError: DWORD;
    dwCompressionAlgorithm: DWORD;
    dwCcpOptions: DWORD;
    dwRemoteCompressionAlgorithm: DWORD;
    dwCcpRemoteOptions: DWORD;
  end;

const PPP_PROJECTION_INFO = extern struct {
    dwIPv4NegotiationError: u32,
    wszAddress: [16]u16,
    wszRemoteAddress: [16]u16,
    dwIPv4Options: u32,
    dwIPv4RemoteOptions: u32,
    IPv4SubInterfaceIndex: u64,
    dwIPv6NegotiationError: u32,
    bInterfaceIdentifier: [8]u8,
    bRemoteInterfaceIdentifier: [8]u8,
    bPrefix: [8]u8,
    dwPrefixLength: u32,
    IPv6SubInterfaceIndex: u64,
    dwLcpError: u32,
    dwAuthenticationProtocol: u32,
    dwAuthenticationData: u32,
    dwRemoteAuthenticationProtocol: u32,
    dwRemoteAuthenticationData: u32,
    dwLcpTerminateReason: u32,
    dwLcpRemoteTerminateReason: u32,
    dwLcpOptions: u32,
    dwLcpRemoteOptions: u32,
    dwEapTypeId: u32,
    dwRemoteEapTypeId: u32,
    dwCcpError: u32,
    dwCompressionAlgorithm: u32,
    dwCcpOptions: u32,
    dwRemoteCompressionAlgorithm: u32,
    dwCcpRemoteOptions: u32,
};

type
  PPP_PROJECTION_INFO {.bycopy.} = object
    dwIPv4NegotiationError: uint32
    wszAddress: array[16, uint16]
    wszRemoteAddress: array[16, uint16]
    dwIPv4Options: uint32
    dwIPv4RemoteOptions: uint32
    IPv4SubInterfaceIndex: uint64
    dwIPv6NegotiationError: uint32
    bInterfaceIdentifier: array[8, uint8]
    bRemoteInterfaceIdentifier: array[8, uint8]
    bPrefix: array[8, uint8]
    dwPrefixLength: uint32
    IPv6SubInterfaceIndex: uint64
    dwLcpError: uint32
    dwAuthenticationProtocol: uint32
    dwAuthenticationData: uint32
    dwRemoteAuthenticationProtocol: uint32
    dwRemoteAuthenticationData: uint32
    dwLcpTerminateReason: uint32
    dwLcpRemoteTerminateReason: uint32
    dwLcpOptions: uint32
    dwLcpRemoteOptions: uint32
    dwEapTypeId: uint32
    dwRemoteEapTypeId: uint32
    dwCcpError: uint32
    dwCompressionAlgorithm: uint32
    dwCcpOptions: uint32
    dwRemoteCompressionAlgorithm: uint32
    dwCcpRemoteOptions: uint32

struct PPP_PROJECTION_INFO
{
    uint dwIPv4NegotiationError;
    wchar[16] wszAddress;
    wchar[16] wszRemoteAddress;
    uint dwIPv4Options;
    uint dwIPv4RemoteOptions;
    ulong IPv4SubInterfaceIndex;
    uint dwIPv6NegotiationError;
    ubyte[8] bInterfaceIdentifier;
    ubyte[8] bRemoteInterfaceIdentifier;
    ubyte[8] bPrefix;
    uint dwPrefixLength;
    ulong IPv6SubInterfaceIndex;
    uint dwLcpError;
    uint dwAuthenticationProtocol;
    uint dwAuthenticationData;
    uint dwRemoteAuthenticationProtocol;
    uint dwRemoteAuthenticationData;
    uint dwLcpTerminateReason;
    uint dwLcpRemoteTerminateReason;
    uint dwLcpOptions;
    uint dwLcpRemoteOptions;
    uint dwEapTypeId;
    uint dwRemoteEapTypeId;
    uint dwCcpError;
    uint dwCompressionAlgorithm;
    uint dwCcpOptions;
    uint dwRemoteCompressionAlgorithm;
    uint dwCcpRemoteOptions;
}