PEER_APPLICATION_REGISTRATION_INFO

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_APPLICATION
{
    public Guid id;
    public PEER_DATA data;
    public IntPtr pwzDescription;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct PEER_APPLICATION_REGISTRATION_INFO
{
    public PEER_APPLICATION application;
    public IntPtr pwzApplicationToLaunch;
    public IntPtr pwzApplicationArguments;
    public uint dwPublicationScope;
}

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_APPLICATION
    Public id As Guid
    Public data As PEER_DATA
    Public pwzDescription As IntPtr
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure PEER_APPLICATION_REGISTRATION_INFO
    Public application As PEER_APPLICATION
    Public pwzApplicationToLaunch As IntPtr
    Public pwzApplicationArguments As IntPtr
    Public dwPublicationScope As UInteger
End Structure

import ctypes
from ctypes import wintypes

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

class PEER_APPLICATION(ctypes.Structure):
    _fields_ = [
        ("id", GUID),
        ("data", PEER_DATA),
        ("pwzDescription", ctypes.c_void_p),
    ]

class PEER_APPLICATION_REGISTRATION_INFO(ctypes.Structure):
    _fields_ = [
        ("application", PEER_APPLICATION),
        ("pwzApplicationToLaunch", ctypes.c_void_p),
        ("pwzApplicationArguments", ctypes.c_void_p),
        ("dwPublicationScope", wintypes.DWORD),
    ]

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

#[repr(C)]
pub struct PEER_APPLICATION {
    pub id: GUID,
    pub data: PEER_DATA,
    pub pwzDescription: *mut core::ffi::c_void,
}

#[repr(C)]
pub struct PEER_APPLICATION_REGISTRATION_INFO {
    pub application: PEER_APPLICATION,
    pub pwzApplicationToLaunch: *mut core::ffi::c_void,
    pub pwzApplicationArguments: *mut core::ffi::c_void,
    pub dwPublicationScope: u32,
}

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

type PEER_DATA struct {
	cbData uint32
	pbData uintptr
}

type PEER_APPLICATION struct {
	id windows.GUID
	data PEER_DATA
	pwzDescription uintptr
}

type PEER_APPLICATION_REGISTRATION_INFO struct {
	application PEER_APPLICATION
	pwzApplicationToLaunch uintptr
	pwzApplicationArguments uintptr
	dwPublicationScope uint32
}

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

  PEER_APPLICATION = record
    id: TGUID;
    data: PEER_DATA;
    pwzDescription: Pointer;
  end;

  PEER_APPLICATION_REGISTRATION_INFO = record
    application: PEER_APPLICATION;
    pwzApplicationToLaunch: Pointer;
    pwzApplicationArguments: Pointer;
    dwPublicationScope: DWORD;
  end;

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

const PEER_APPLICATION = extern struct {
    id: GUID,
    data: PEER_DATA,
    pwzDescription: ?*anyopaque,
};

const PEER_APPLICATION_REGISTRATION_INFO = extern struct {
    application: PEER_APPLICATION,
    pwzApplicationToLaunch: ?*anyopaque,
    pwzApplicationArguments: ?*anyopaque,
    dwPublicationScope: u32,
};

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

  PEER_APPLICATION {.bycopy.} = object
    id: GUID
    data: PEER_DATA
    pwzDescription: pointer

  PEER_APPLICATION_REGISTRATION_INFO {.bycopy.} = object
    application: PEER_APPLICATION
    pwzApplicationToLaunch: pointer
    pwzApplicationArguments: pointer
    dwPublicationScope: uint32

struct PEER_DATA
{
    uint cbData;
    void* pbData;
}

struct PEER_APPLICATION
{
    GUID id;
    PEER_DATA data;
    void* pwzDescription;
}

struct PEER_APPLICATION_REGISTRATION_INFO
{
    PEER_APPLICATION application;
    void* pwzApplicationToLaunch;
    void* pwzApplicationArguments;
    uint dwPublicationScope;
}