WSADATA

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct WSADATA
{
    public ushort wVersion;
    public ushort wHighVersion;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 257)] public sbyte[] szDescription;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 129)] public sbyte[] szSystemStatus;
    public ushort iMaxSockets;
    public ushort iMaxUdpDg;
    public IntPtr lpVendorInfo;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure WSADATA
    Public wVersion As UShort
    Public wHighVersion As UShort
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=257)> Public szDescription() As SByte
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=129)> Public szSystemStatus() As SByte
    Public iMaxSockets As UShort
    Public iMaxUdpDg As UShort
    Public lpVendorInfo As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class WSADATA(ctypes.Structure):
    _fields_ = [
        ("wVersion", ctypes.c_ushort),
        ("wHighVersion", ctypes.c_ushort),
        ("szDescription", ctypes.c_byte * 257),
        ("szSystemStatus", ctypes.c_byte * 129),
        ("iMaxSockets", ctypes.c_ushort),
        ("iMaxUdpDg", ctypes.c_ushort),
        ("lpVendorInfo", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct WSADATA {
    pub wVersion: u16,
    pub wHighVersion: u16,
    pub szDescription: [i8; 257],
    pub szSystemStatus: [i8; 129],
    pub iMaxSockets: u16,
    pub iMaxUdpDg: u16,
    pub lpVendorInfo: *mut core::ffi::c_void,
}

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

type WSADATA struct {
	wVersion uint16
	wHighVersion uint16
	szDescription [257]int8
	szSystemStatus [129]int8
	iMaxSockets uint16
	iMaxUdpDg uint16
	lpVendorInfo uintptr
}

type
  WSADATA = record
    wVersion: Word;
    wHighVersion: Word;
    szDescription: array[0..256] of Shortint;
    szSystemStatus: array[0..128] of Shortint;
    iMaxSockets: Word;
    iMaxUdpDg: Word;
    lpVendorInfo: Pointer;
  end;

const WSADATA = extern struct {
    wVersion: u16,
    wHighVersion: u16,
    szDescription: [257]i8,
    szSystemStatus: [129]i8,
    iMaxSockets: u16,
    iMaxUdpDg: u16,
    lpVendorInfo: ?*anyopaque,
};

type
  WSADATA {.bycopy.} = object
    wVersion: uint16
    wHighVersion: uint16
    szDescription: array[257, int8]
    szSystemStatus: array[129, int8]
    iMaxSockets: uint16
    iMaxUdpDg: uint16
    lpVendorInfo: pointer

struct WSADATA
{
    ushort wVersion;
    ushort wHighVersion;
    byte[257] szDescription;
    byte[129] szSystemStatus;
    ushort iMaxSockets;
    ushort iMaxUdpDg;
    void* lpVendorInfo;
}