PEER_CONTACT

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct PEER_DATA
{
    public uint cbData;
    public IntPtr pbData;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct PEER_CONTACT
{
    public IntPtr pwzPeerName;
    public IntPtr pwzNickName;
    public IntPtr pwzDisplayName;
    public IntPtr pwzEmailAddress;
    [MarshalAs(UnmanagedType.Bool)] public bool fWatch;
    public int WatcherPermissions;
    public PEER_DATA credentials;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure PEER_DATA
    Public cbData As UInteger
    Public pbData As IntPtr
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure PEER_CONTACT
    Public pwzPeerName As IntPtr
    Public pwzNickName As IntPtr
    Public pwzDisplayName As IntPtr
    Public pwzEmailAddress As IntPtr
    <MarshalAs(UnmanagedType.Bool)> Public fWatch As Boolean
    Public WatcherPermissions As Integer
    Public credentials As PEER_DATA
End Structure

import ctypes
from ctypes import wintypes

class PEER_DATA(ctypes.Structure):
    _fields_ = [
        ("cbData", wintypes.DWORD),
        ("pbData", ctypes.c_void_p),
    ]

class PEER_CONTACT(ctypes.Structure):
    _fields_ = [
        ("pwzPeerName", ctypes.c_void_p),
        ("pwzNickName", ctypes.c_void_p),
        ("pwzDisplayName", ctypes.c_void_p),
        ("pwzEmailAddress", ctypes.c_void_p),
        ("fWatch", wintypes.BOOL),
        ("WatcherPermissions", ctypes.c_int),
        ("credentials", PEER_DATA),
    ]

#[repr(C)]
pub struct PEER_DATA {
    pub cbData: u32,
    pub pbData: *mut core::ffi::c_void,
}

#[repr(C)]
pub struct PEER_CONTACT {
    pub pwzPeerName: *mut core::ffi::c_void,
    pub pwzNickName: *mut core::ffi::c_void,
    pub pwzDisplayName: *mut core::ffi::c_void,
    pub pwzEmailAddress: *mut core::ffi::c_void,
    pub fWatch: i32,
    pub WatcherPermissions: i32,
    pub credentials: PEER_DATA,
}

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

type PEER_DATA struct {
	cbData uint32
	pbData uintptr
}

type PEER_CONTACT struct {
	pwzPeerName uintptr
	pwzNickName uintptr
	pwzDisplayName uintptr
	pwzEmailAddress uintptr
	fWatch int32
	WatcherPermissions int32
	credentials PEER_DATA
}

type
  PEER_DATA = record
    cbData: DWORD;
    pbData: Pointer;
  end;

  PEER_CONTACT = record
    pwzPeerName: Pointer;
    pwzNickName: Pointer;
    pwzDisplayName: Pointer;
    pwzEmailAddress: Pointer;
    fWatch: BOOL;
    WatcherPermissions: Integer;
    credentials: PEER_DATA;
  end;

const PEER_DATA = extern struct {
    cbData: u32,
    pbData: ?*anyopaque,
};

const PEER_CONTACT = extern struct {
    pwzPeerName: ?*anyopaque,
    pwzNickName: ?*anyopaque,
    pwzDisplayName: ?*anyopaque,
    pwzEmailAddress: ?*anyopaque,
    fWatch: i32,
    WatcherPermissions: i32,
    credentials: PEER_DATA,
};

type
  PEER_DATA {.bycopy.} = object
    cbData: uint32
    pbData: pointer

  PEER_CONTACT {.bycopy.} = object
    pwzPeerName: pointer
    pwzNickName: pointer
    pwzDisplayName: pointer
    pwzEmailAddress: pointer
    fWatch: int32
    WatcherPermissions: int32
    credentials: PEER_DATA

struct PEER_DATA
{
    uint cbData;
    void* pbData;
}

struct PEER_CONTACT
{
    void* pwzPeerName;
    void* pwzNickName;
    void* pwzDisplayName;
    void* pwzEmailAddress;
    int fWatch;
    int WatcherPermissions;
    PEER_DATA credentials;
}