tcp_keepalive

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct tcp_keepalive
{
    public uint onoff;
    public uint keepalivetime;
    public uint keepaliveinterval;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure tcp_keepalive
    Public onoff As UInteger
    Public keepalivetime As UInteger
    Public keepaliveinterval As UInteger
End Structure

import ctypes
from ctypes import wintypes

class tcp_keepalive(ctypes.Structure):
    _fields_ = [
        ("onoff", wintypes.DWORD),
        ("keepalivetime", wintypes.DWORD),
        ("keepaliveinterval", wintypes.DWORD),
    ]

#[repr(C)]
pub struct tcp_keepalive {
    pub onoff: u32,
    pub keepalivetime: u32,
    pub keepaliveinterval: u32,
}

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

type tcp_keepalive struct {
	onoff uint32
	keepalivetime uint32
	keepaliveinterval uint32
}

type
  tcp_keepalive = record
    onoff: DWORD;
    keepalivetime: DWORD;
    keepaliveinterval: DWORD;
  end;

const tcp_keepalive = extern struct {
    onoff: u32,
    keepalivetime: u32,
    keepaliveinterval: u32,
};

type
  tcp_keepalive {.bycopy.} = object
    onoff: uint32
    keepalivetime: uint32
    keepaliveinterval: uint32

struct tcp_keepalive
{
    uint onoff;
    uint keepalivetime;
    uint keepaliveinterval;
}