HcnEnumerateGuestNetworkPortReservations

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

HRESULT HcnEnumerateGuestNetworkPortReservations(
    DWORD* ReturnCount,
    HCN_PORT_RANGE_ENTRY** PortEntries
);

<DllImport("computenetwork.dll", ExactSpelling:=True)>
Public Shared Function HcnEnumerateGuestNetworkPortReservations(
    <Out> ByRef ReturnCount As UInteger,   ' DWORD* out
    PortEntries As IntPtr   ' HCN_PORT_RANGE_ENTRY** out
) As Integer
End Function

' ReturnCount : DWORD* out
' PortEntries : HCN_PORT_RANGE_ENTRY** out
Declare PtrSafe Function HcnEnumerateGuestNetworkPortReservations Lib "computenetwork" ( _
    ByRef ReturnCount As Long, _
    ByVal PortEntries As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

HcnEnumerateGuestNetworkPortReservations = ctypes.windll.computenetwork.HcnEnumerateGuestNetworkPortReservations
HcnEnumerateGuestNetworkPortReservations.restype = ctypes.c_int
HcnEnumerateGuestNetworkPortReservations.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # ReturnCount : DWORD* out
    ctypes.c_void_p,  # PortEntries : HCN_PORT_RANGE_ENTRY** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('computenetwork.dll')
HcnEnumerateGuestNetworkPortReservations = Fiddle::Function.new(
  lib['HcnEnumerateGuestNetworkPortReservations'],
  [
    Fiddle::TYPE_VOIDP,  # ReturnCount : DWORD* out
    Fiddle::TYPE_VOIDP,  # PortEntries : HCN_PORT_RANGE_ENTRY** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "computenetwork")]
extern "system" {
    fn HcnEnumerateGuestNetworkPortReservations(
        ReturnCount: *mut u32,  // DWORD* out
        PortEntries: *mut *mut HCN_PORT_RANGE_ENTRY  // HCN_PORT_RANGE_ENTRY** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("computenetwork.dll")]
public static extern int HcnEnumerateGuestNetworkPortReservations(out uint ReturnCount, IntPtr PortEntries);
"@
$api = Add-Type -MemberDefinition $sig -Name 'computenetwork_HcnEnumerateGuestNetworkPortReservations' -Namespace Win32 -PassThru
# $api::HcnEnumerateGuestNetworkPortReservations(ReturnCount, PortEntries)

#uselib "computenetwork.dll"
#func global HcnEnumerateGuestNetworkPortReservations "HcnEnumerateGuestNetworkPortReservations" sptr, sptr
; HcnEnumerateGuestNetworkPortReservations varptr(ReturnCount), varptr(PortEntries)   ; 戻り値は stat
; ReturnCount : DWORD* out -> "sptr"
; PortEntries : HCN_PORT_RANGE_ENTRY** out -> "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 (
	computenetwork = windows.NewLazySystemDLL("computenetwork.dll")
	procHcnEnumerateGuestNetworkPortReservations = computenetwork.NewProc("HcnEnumerateGuestNetworkPortReservations")
)

// ReturnCount (DWORD* out), PortEntries (HCN_PORT_RANGE_ENTRY** out)
r1, _, err := procHcnEnumerateGuestNetworkPortReservations.Call(
	uintptr(ReturnCount),
	uintptr(PortEntries),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function HcnEnumerateGuestNetworkPortReservations(
  ReturnCount: Pointer;   // DWORD* out
  PortEntries: Pointer   // HCN_PORT_RANGE_ENTRY** out
): Integer; stdcall;
  external 'computenetwork.dll' name 'HcnEnumerateGuestNetworkPortReservations';

result := DllCall("computenetwork\HcnEnumerateGuestNetworkPortReservations"
    , "Ptr", ReturnCount   ; DWORD* out
    , "Ptr", PortEntries   ; HCN_PORT_RANGE_ENTRY** out
    , "Int")   ; return: HRESULT

●HcnEnumerateGuestNetworkPortReservations(ReturnCount, PortEntries) = DLL("computenetwork.dll", "int HcnEnumerateGuestNetworkPortReservations(void*, void*)")
# 呼び出し: HcnEnumerateGuestNetworkPortReservations(ReturnCount, PortEntries)
# ReturnCount : DWORD* out -> "void*"
# PortEntries : HCN_PORT_RANGE_ENTRY** out -> "void*"
# 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 "computenetwork" fn HcnEnumerateGuestNetworkPortReservations(
    ReturnCount: [*c]u32, // DWORD* out
    PortEntries: [*c][*c]HCN_PORT_RANGE_ENTRY // HCN_PORT_RANGE_ENTRY** out
) callconv(std.os.windows.WINAPI) i32;

proc HcnEnumerateGuestNetworkPortReservations(
    ReturnCount: ptr uint32,  # DWORD* out
    PortEntries: ptr HCN_PORT_RANGE_ENTRY  # HCN_PORT_RANGE_ENTRY** out
): int32 {.importc: "HcnEnumerateGuestNetworkPortReservations", stdcall, dynlib: "computenetwork.dll".}

pragma(lib, "computenetwork");
extern(Windows)
int HcnEnumerateGuestNetworkPortReservations(
    uint* ReturnCount,   // DWORD* out
    HCN_PORT_RANGE_ENTRY** PortEntries   // HCN_PORT_RANGE_ENTRY** out
);

ccall((:HcnEnumerateGuestNetworkPortReservations, "computenetwork.dll"), stdcall, Int32,
      (Ptr{UInt32}, Ptr{HCN_PORT_RANGE_ENTRY}),
      ReturnCount, PortEntries)
# ReturnCount : DWORD* out -> Ptr{UInt32}
# PortEntries : HCN_PORT_RANGE_ENTRY** out -> Ptr{HCN_PORT_RANGE_ENTRY}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t HcnEnumerateGuestNetworkPortReservations(
    uint32_t* ReturnCount,
    void* PortEntries);
]]
local computenetwork = ffi.load("computenetwork")
-- computenetwork.HcnEnumerateGuestNetworkPortReservations(ReturnCount, PortEntries)
-- ReturnCount : DWORD* out
-- PortEntries : HCN_PORT_RANGE_ENTRY** out
-- 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('computenetwork.dll');
const HcnEnumerateGuestNetworkPortReservations = lib.func('__stdcall', 'HcnEnumerateGuestNetworkPortReservations', 'int32_t', ['uint32_t *', 'void *']);
// HcnEnumerateGuestNetworkPortReservations(ReturnCount, PortEntries)
// ReturnCount : DWORD* out -> 'uint32_t *'
// PortEntries : HCN_PORT_RANGE_ENTRY** out -> 'void *'
// 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("computenetwork.dll", {
  HcnEnumerateGuestNetworkPortReservations: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.HcnEnumerateGuestNetworkPortReservations(ReturnCount, PortEntries)
// ReturnCount : DWORD* out -> "pointer"
// PortEntries : HCN_PORT_RANGE_ENTRY** out -> "pointer"
// 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
int32_t HcnEnumerateGuestNetworkPortReservations(
    uint32_t* ReturnCount,
    void* PortEntries);
C, "computenetwork.dll");
// $ffi->HcnEnumerateGuestNetworkPortReservations(ReturnCount, PortEntries);
// ReturnCount : DWORD* out
// PortEntries : HCN_PORT_RANGE_ENTRY** out
// 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 Computenetwork extends StdCallLibrary {
    Computenetwork INSTANCE = Native.load("computenetwork", Computenetwork.class);
    int HcnEnumerateGuestNetworkPortReservations(
        IntByReference ReturnCount,   // DWORD* out
        Pointer PortEntries   // HCN_PORT_RANGE_ENTRY** out
    );
}

@[Link("computenetwork")]
lib Libcomputenetwork
  fun HcnEnumerateGuestNetworkPortReservations = HcnEnumerateGuestNetworkPortReservations(
    ReturnCount : UInt32*,   # DWORD* out
    PortEntries : HCN_PORT_RANGE_ENTRY**   # HCN_PORT_RANGE_ENTRY** out
  ) : Int32
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 HcnEnumerateGuestNetworkPortReservationsNative = Int32 Function(Pointer<Uint32>, Pointer<Void>);
typedef HcnEnumerateGuestNetworkPortReservationsDart = int Function(Pointer<Uint32>, Pointer<Void>);
final HcnEnumerateGuestNetworkPortReservations = DynamicLibrary.open('computenetwork.dll')
    .lookupFunction<HcnEnumerateGuestNetworkPortReservationsNative, HcnEnumerateGuestNetworkPortReservationsDart>('HcnEnumerateGuestNetworkPortReservations');
// ReturnCount : DWORD* out -> Pointer<Uint32>
// PortEntries : HCN_PORT_RANGE_ENTRY** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function HcnEnumerateGuestNetworkPortReservations(
  ReturnCount: Pointer;   // DWORD* out
  PortEntries: Pointer   // HCN_PORT_RANGE_ENTRY** out
): Integer; stdcall;
  external 'computenetwork.dll' name 'HcnEnumerateGuestNetworkPortReservations';

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

foreign import stdcall safe "HcnEnumerateGuestNetworkPortReservations"
  c_HcnEnumerateGuestNetworkPortReservations :: Ptr Word32 -> Ptr () -> IO Int32
-- ReturnCount : DWORD* out -> Ptr Word32
-- PortEntries : HCN_PORT_RANGE_ENTRY** out -> Ptr ()
-- 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 hcnenumerateguestnetworkportreservations =
  foreign "HcnEnumerateGuestNetworkPortReservations"
    ((ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* ReturnCount : DWORD* out -> (ptr uint32_t) *)
(* PortEntries : HCN_PORT_RANGE_ENTRY** out -> (ptr void) *)
(* 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 computenetwork (t "computenetwork.dll"))
(cffi:use-foreign-library computenetwork)

(cffi:defcfun ("HcnEnumerateGuestNetworkPortReservations" hcn-enumerate-guest-network-port-reservations :convention :stdcall) :int32
  (return-count :pointer)   ; DWORD* out
  (port-entries :pointer))   ; HCN_PORT_RANGE_ENTRY** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $HcnEnumerateGuestNetworkPortReservations = Win32::API::More->new('computenetwork',
    'int HcnEnumerateGuestNetworkPortReservations(LPVOID ReturnCount, LPVOID PortEntries)');
# my $ret = $HcnEnumerateGuestNetworkPortReservations->Call($ReturnCount, $PortEntries);
# ReturnCount : DWORD* out -> LPVOID
# PortEntries : HCN_PORT_RANGE_ENTRY** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。