GetExtendedTcpTable

// IPHLPAPI.dll
#include <windows.h>

DWORD GetExtendedTcpTable(
    void* pTcpTable,   // optional
    DWORD* pdwSize,
    BOOL bOrder,
    DWORD ulAf,
    TCP_TABLE_CLASS TableClass,
    DWORD Reserved
);

<DllImport("IPHLPAPI.dll", ExactSpelling:=True)>
Public Shared Function GetExtendedTcpTable(
    pTcpTable As IntPtr,   ' void* optional, out
    ByRef pdwSize As UInteger,   ' DWORD* in/out
    bOrder As Boolean,   ' BOOL
    ulAf As UInteger,   ' DWORD
    TableClass As Integer,   ' TCP_TABLE_CLASS
    Reserved As UInteger   ' DWORD
) As UInteger
End Function

' pTcpTable : void* optional, out
' pdwSize : DWORD* in/out
' bOrder : BOOL
' ulAf : DWORD
' TableClass : TCP_TABLE_CLASS
' Reserved : DWORD
Declare PtrSafe Function GetExtendedTcpTable Lib "iphlpapi" ( _
    ByVal pTcpTable As LongPtr, _
    ByRef pdwSize As Long, _
    ByVal bOrder As Long, _
    ByVal ulAf As Long, _
    ByVal TableClass As Long, _
    ByVal Reserved As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetExtendedTcpTable = ctypes.windll.iphlpapi.GetExtendedTcpTable
GetExtendedTcpTable.restype = wintypes.DWORD
GetExtendedTcpTable.argtypes = [
    ctypes.POINTER(None),  # pTcpTable : void* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pdwSize : DWORD* in/out
    wintypes.BOOL,  # bOrder : BOOL
    wintypes.DWORD,  # ulAf : DWORD
    ctypes.c_int,  # TableClass : TCP_TABLE_CLASS
    wintypes.DWORD,  # Reserved : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
GetExtendedTcpTable = Fiddle::Function.new(
  lib['GetExtendedTcpTable'],
  [
    Fiddle::TYPE_VOIDP,  # pTcpTable : void* optional, out
    Fiddle::TYPE_VOIDP,  # pdwSize : DWORD* in/out
    Fiddle::TYPE_INT,  # bOrder : BOOL
    -Fiddle::TYPE_INT,  # ulAf : DWORD
    Fiddle::TYPE_INT,  # TableClass : TCP_TABLE_CLASS
    -Fiddle::TYPE_INT,  # Reserved : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn GetExtendedTcpTable(
        pTcpTable: *mut (),  // void* optional, out
        pdwSize: *mut u32,  // DWORD* in/out
        bOrder: i32,  // BOOL
        ulAf: u32,  // DWORD
        TableClass: i32,  // TCP_TABLE_CLASS
        Reserved: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("IPHLPAPI.dll")]
public static extern uint GetExtendedTcpTable(IntPtr pTcpTable, ref uint pdwSize, bool bOrder, uint ulAf, int TableClass, uint Reserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IPHLPAPI_GetExtendedTcpTable' -Namespace Win32 -PassThru
# $api::GetExtendedTcpTable(pTcpTable, pdwSize, bOrder, ulAf, TableClass, Reserved)

#uselib "IPHLPAPI.dll"
#func global GetExtendedTcpTable "GetExtendedTcpTable" sptr, sptr, sptr, sptr, sptr, sptr
; GetExtendedTcpTable pTcpTable, varptr(pdwSize), bOrder, ulAf, TableClass, Reserved   ; 戻り値は stat
; pTcpTable : void* optional, out -> "sptr"
; pdwSize : DWORD* in/out -> "sptr"
; bOrder : BOOL -> "sptr"
; ulAf : DWORD -> "sptr"
; TableClass : TCP_TABLE_CLASS -> "sptr"
; Reserved : DWORD -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procGetExtendedTcpTable = iphlpapi.NewProc("GetExtendedTcpTable")
)

// pTcpTable (void* optional, out), pdwSize (DWORD* in/out), bOrder (BOOL), ulAf (DWORD), TableClass (TCP_TABLE_CLASS), Reserved (DWORD)
r1, _, err := procGetExtendedTcpTable.Call(
	uintptr(pTcpTable),
	uintptr(pdwSize),
	uintptr(bOrder),
	uintptr(ulAf),
	uintptr(TableClass),
	uintptr(Reserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetExtendedTcpTable(
  pTcpTable: Pointer;   // void* optional, out
  pdwSize: Pointer;   // DWORD* in/out
  bOrder: BOOL;   // BOOL
  ulAf: DWORD;   // DWORD
  TableClass: Integer;   // TCP_TABLE_CLASS
  Reserved: DWORD   // DWORD
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'GetExtendedTcpTable';

result := DllCall("IPHLPAPI\GetExtendedTcpTable"
    , "Ptr", pTcpTable   ; void* optional, out
    , "Ptr", pdwSize   ; DWORD* in/out
    , "Int", bOrder   ; BOOL
    , "UInt", ulAf   ; DWORD
    , "Int", TableClass   ; TCP_TABLE_CLASS
    , "UInt", Reserved   ; DWORD
    , "UInt")   ; return: DWORD

●GetExtendedTcpTable(pTcpTable, pdwSize, bOrder, ulAf, TableClass, Reserved) = DLL("IPHLPAPI.dll", "dword GetExtendedTcpTable(void*, void*, bool, dword, int, dword)")
# 呼び出し: GetExtendedTcpTable(pTcpTable, pdwSize, bOrder, ulAf, TableClass, Reserved)
# pTcpTable : void* optional, out -> "void*"
# pdwSize : DWORD* in/out -> "void*"
# bOrder : BOOL -> "bool"
# ulAf : DWORD -> "dword"
# TableClass : TCP_TABLE_CLASS -> "int"
# Reserved : DWORD -> "dword"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "iphlpapi" fn GetExtendedTcpTable(
    pTcpTable: ?*anyopaque, // void* optional, out
    pdwSize: [*c]u32, // DWORD* in/out
    bOrder: i32, // BOOL
    ulAf: u32, // DWORD
    TableClass: i32, // TCP_TABLE_CLASS
    Reserved: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;

proc GetExtendedTcpTable(
    pTcpTable: pointer,  # void* optional, out
    pdwSize: ptr uint32,  # DWORD* in/out
    bOrder: int32,  # BOOL
    ulAf: uint32,  # DWORD
    TableClass: int32,  # TCP_TABLE_CLASS
    Reserved: uint32  # DWORD
): uint32 {.importc: "GetExtendedTcpTable", stdcall, dynlib: "IPHLPAPI.dll".}

pragma(lib, "iphlpapi");
extern(Windows)
uint GetExtendedTcpTable(
    void* pTcpTable,   // void* optional, out
    uint* pdwSize,   // DWORD* in/out
    int bOrder,   // BOOL
    uint ulAf,   // DWORD
    int TableClass,   // TCP_TABLE_CLASS
    uint Reserved   // DWORD
);

ccall((:GetExtendedTcpTable, "IPHLPAPI.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{UInt32}, Int32, UInt32, Int32, UInt32),
      pTcpTable, pdwSize, bOrder, ulAf, TableClass, Reserved)
# pTcpTable : void* optional, out -> Ptr{Cvoid}
# pdwSize : DWORD* in/out -> Ptr{UInt32}
# bOrder : BOOL -> Int32
# ulAf : DWORD -> UInt32
# TableClass : TCP_TABLE_CLASS -> Int32
# Reserved : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t GetExtendedTcpTable(
    void* pTcpTable,
    uint32_t* pdwSize,
    int32_t bOrder,
    uint32_t ulAf,
    int32_t TableClass,
    uint32_t Reserved);
]]
local iphlpapi = ffi.load("iphlpapi")
-- iphlpapi.GetExtendedTcpTable(pTcpTable, pdwSize, bOrder, ulAf, TableClass, Reserved)
-- pTcpTable : void* optional, out
-- pdwSize : DWORD* in/out
-- bOrder : BOOL
-- ulAf : DWORD
-- TableClass : TCP_TABLE_CLASS
-- Reserved : DWORD
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('IPHLPAPI.dll');
const GetExtendedTcpTable = lib.func('__stdcall', 'GetExtendedTcpTable', 'uint32_t', ['void *', 'uint32_t *', 'int32_t', 'uint32_t', 'int32_t', 'uint32_t']);
// GetExtendedTcpTable(pTcpTable, pdwSize, bOrder, ulAf, TableClass, Reserved)
// pTcpTable : void* optional, out -> 'void *'
// pdwSize : DWORD* in/out -> 'uint32_t *'
// bOrder : BOOL -> 'int32_t'
// ulAf : DWORD -> 'uint32_t'
// TableClass : TCP_TABLE_CLASS -> 'int32_t'
// Reserved : DWORD -> 'uint32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("IPHLPAPI.dll", {
  GetExtendedTcpTable: { parameters: ["pointer", "pointer", "i32", "u32", "i32", "u32"], result: "u32" },
});
// lib.symbols.GetExtendedTcpTable(pTcpTable, pdwSize, bOrder, ulAf, TableClass, Reserved)
// pTcpTable : void* optional, out -> "pointer"
// pdwSize : DWORD* in/out -> "pointer"
// bOrder : BOOL -> "i32"
// ulAf : DWORD -> "u32"
// TableClass : TCP_TABLE_CLASS -> "i32"
// Reserved : DWORD -> "u32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t GetExtendedTcpTable(
    void* pTcpTable,
    uint32_t* pdwSize,
    int32_t bOrder,
    uint32_t ulAf,
    int32_t TableClass,
    uint32_t Reserved);
C, "IPHLPAPI.dll");
// $ffi->GetExtendedTcpTable(pTcpTable, pdwSize, bOrder, ulAf, TableClass, Reserved);
// pTcpTable : void* optional, out
// pdwSize : DWORD* in/out
// bOrder : BOOL
// ulAf : DWORD
// TableClass : TCP_TABLE_CLASS
// Reserved : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Iphlpapi extends StdCallLibrary {
    Iphlpapi INSTANCE = Native.load("iphlpapi", Iphlpapi.class);
    int GetExtendedTcpTable(
        Pointer pTcpTable,   // void* optional, out
        IntByReference pdwSize,   // DWORD* in/out
        boolean bOrder,   // BOOL
        int ulAf,   // DWORD
        int TableClass,   // TCP_TABLE_CLASS
        int Reserved   // DWORD
    );
}

@[Link("iphlpapi")]
lib LibIPHLPAPI
  fun GetExtendedTcpTable = GetExtendedTcpTable(
    pTcpTable : Void*,   # void* optional, out
    pdwSize : UInt32*,   # DWORD* in/out
    bOrder : Int32,   # BOOL
    ulAf : UInt32,   # DWORD
    TableClass : Int32,   # TCP_TABLE_CLASS
    Reserved : UInt32   # DWORD
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef GetExtendedTcpTableNative = Uint32 Function(Pointer<Void>, Pointer<Uint32>, Int32, Uint32, Int32, Uint32);
typedef GetExtendedTcpTableDart = int Function(Pointer<Void>, Pointer<Uint32>, int, int, int, int);
final GetExtendedTcpTable = DynamicLibrary.open('IPHLPAPI.dll')
    .lookupFunction<GetExtendedTcpTableNative, GetExtendedTcpTableDart>('GetExtendedTcpTable');
// pTcpTable : void* optional, out -> Pointer<Void>
// pdwSize : DWORD* in/out -> Pointer<Uint32>
// bOrder : BOOL -> Int32
// ulAf : DWORD -> Uint32
// TableClass : TCP_TABLE_CLASS -> Int32
// Reserved : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetExtendedTcpTable(
  pTcpTable: Pointer;   // void* optional, out
  pdwSize: Pointer;   // DWORD* in/out
  bOrder: BOOL;   // BOOL
  ulAf: DWORD;   // DWORD
  TableClass: Integer;   // TCP_TABLE_CLASS
  Reserved: DWORD   // DWORD
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'GetExtendedTcpTable';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GetExtendedTcpTable"
  c_GetExtendedTcpTable :: Ptr () -> Ptr Word32 -> CInt -> Word32 -> Int32 -> Word32 -> IO Word32
-- pTcpTable : void* optional, out -> Ptr ()
-- pdwSize : DWORD* in/out -> Ptr Word32
-- bOrder : BOOL -> CInt
-- ulAf : DWORD -> Word32
-- TableClass : TCP_TABLE_CLASS -> Int32
-- Reserved : DWORD -> Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let getextendedtcptable =
  foreign "GetExtendedTcpTable"
    ((ptr void) @-> (ptr uint32_t) @-> int32_t @-> uint32_t @-> int32_t @-> uint32_t @-> returning uint32_t)
(* pTcpTable : void* optional, out -> (ptr void) *)
(* pdwSize : DWORD* in/out -> (ptr uint32_t) *)
(* bOrder : BOOL -> int32_t *)
(* ulAf : DWORD -> uint32_t *)
(* TableClass : TCP_TABLE_CLASS -> int32_t *)
(* Reserved : DWORD -> uint32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library iphlpapi (t "IPHLPAPI.dll"))
(cffi:use-foreign-library iphlpapi)

(cffi:defcfun ("GetExtendedTcpTable" get-extended-tcp-table :convention :stdcall) :uint32
  (p-tcp-table :pointer)   ; void* optional, out
  (pdw-size :pointer)   ; DWORD* in/out
  (b-order :int32)   ; BOOL
  (ul-af :uint32)   ; DWORD
  (table-class :int32)   ; TCP_TABLE_CLASS
  (reserved :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetExtendedTcpTable = Win32::API::More->new('IPHLPAPI',
    'DWORD GetExtendedTcpTable(LPVOID pTcpTable, LPVOID pdwSize, BOOL bOrder, DWORD ulAf, int TableClass, DWORD Reserved)');
# my $ret = $GetExtendedTcpTable->Call($pTcpTable, $pdwSize, $bOrder, $ulAf, $TableClass, $Reserved);
# pTcpTable : void* optional, out -> LPVOID
# pdwSize : DWORD* in/out -> LPVOID
# bOrder : BOOL -> BOOL
# ulAf : DWORD -> DWORD
# TableClass : TCP_TABLE_CLASS -> int
# Reserved : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。