PEER_EVENT_INCOMING_DATA

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_EVENT_INCOMING_DATA
{
    public uint dwSize;
    public ulong ullConnectionId;
    public Guid type;
    public PEER_DATA data;
}

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_EVENT_INCOMING_DATA
    Public dwSize As UInteger
    Public ullConnectionId As ULong
    Public type As Guid
    Public data 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_EVENT_INCOMING_DATA(ctypes.Structure):
    _fields_ = [
        ("dwSize", wintypes.DWORD),
        ("ullConnectionId", ctypes.c_ulonglong),
        ("type", GUID),
        ("data", PEER_DATA),
    ]

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

#[repr(C)]
pub struct PEER_EVENT_INCOMING_DATA {
    pub dwSize: u32,
    pub ullConnectionId: u64,
    pub type: GUID,
    pub data: PEER_DATA,
}

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

type PEER_DATA struct {
	cbData uint32
	pbData uintptr
}

type PEER_EVENT_INCOMING_DATA struct {
	dwSize uint32
	ullConnectionId uint64
	type windows.GUID
	data PEER_DATA
}

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

  PEER_EVENT_INCOMING_DATA = record
    dwSize: DWORD;
    ullConnectionId: UInt64;
    type: TGUID;
    data: PEER_DATA;
  end;

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

const PEER_EVENT_INCOMING_DATA = extern struct {
    dwSize: u32,
    ullConnectionId: u64,
    type: GUID,
    data: PEER_DATA,
};

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

  PEER_EVENT_INCOMING_DATA {.bycopy.} = object
    dwSize: uint32
    ullConnectionId: uint64
    type: GUID
    data: PEER_DATA

struct PEER_DATA
{
    uint cbData;
    void* pbData;
}

struct PEER_EVENT_INCOMING_DATA
{
    uint dwSize;
    ulong ullConnectionId;
    GUID type;
    PEER_DATA data;
}