IO_BLOCK

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct IO_BLOCK
{
    public uint uOffset;
    public uint uLength;
    public IntPtr pbyData;
    public uint uIndex;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure IO_BLOCK
    Public uOffset As UInteger
    Public uLength As UInteger
    Public pbyData As IntPtr
    Public uIndex As UInteger
End Structure

import ctypes
from ctypes import wintypes

class IO_BLOCK(ctypes.Structure):
    _fields_ = [
        ("uOffset", wintypes.DWORD),
        ("uLength", wintypes.DWORD),
        ("pbyData", ctypes.c_void_p),
        ("uIndex", wintypes.DWORD),
    ]

#[repr(C)]
pub struct IO_BLOCK {
    pub uOffset: u32,
    pub uLength: u32,
    pub pbyData: *mut core::ffi::c_void,
    pub uIndex: u32,
}

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

type IO_BLOCK struct {
	uOffset uint32
	uLength uint32
	pbyData uintptr
	uIndex uint32
}

type
  IO_BLOCK = record
    uOffset: DWORD;
    uLength: DWORD;
    pbyData: Pointer;
    uIndex: DWORD;
  end;

const IO_BLOCK = extern struct {
    uOffset: u32,
    uLength: u32,
    pbyData: ?*anyopaque,
    uIndex: u32,
};

type
  IO_BLOCK {.bycopy.} = object
    uOffset: uint32
    uLength: uint32
    pbyData: pointer
    uIndex: uint32

struct IO_BLOCK
{
    uint uOffset;
    uint uLength;
    void* pbyData;
    uint uIndex;
}