MgmGetNextMfeStats

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

DWORD MgmGetNextMfeStats(
    MIB_IPMCAST_MFE* pimmStart,
    DWORD* pdwBufferSize,
    BYTE* pbBuffer,
    DWORD* pdwNumEntries,
    DWORD dwFlags
);

<DllImport("rtm.dll", ExactSpelling:=True)>
Public Shared Function MgmGetNextMfeStats(
    pimmStart As IntPtr,   ' MIB_IPMCAST_MFE* in/out
    ByRef pdwBufferSize As UInteger,   ' DWORD* in/out
    pbBuffer As IntPtr,   ' BYTE* in/out
    ByRef pdwNumEntries As UInteger,   ' DWORD* in/out
    dwFlags As UInteger   ' DWORD
) As UInteger
End Function

' pimmStart : MIB_IPMCAST_MFE* in/out
' pdwBufferSize : DWORD* in/out
' pbBuffer : BYTE* in/out
' pdwNumEntries : DWORD* in/out
' dwFlags : DWORD
Declare PtrSafe Function MgmGetNextMfeStats Lib "rtm" ( _
    ByVal pimmStart As LongPtr, _
    ByRef pdwBufferSize As Long, _
    ByVal pbBuffer As LongPtr, _
    ByRef pdwNumEntries As Long, _
    ByVal dwFlags 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

MgmGetNextMfeStats = ctypes.windll.rtm.MgmGetNextMfeStats
MgmGetNextMfeStats.restype = wintypes.DWORD
MgmGetNextMfeStats.argtypes = [
    ctypes.c_void_p,  # pimmStart : MIB_IPMCAST_MFE* in/out
    ctypes.POINTER(wintypes.DWORD),  # pdwBufferSize : DWORD* in/out
    ctypes.POINTER(ctypes.c_ubyte),  # pbBuffer : BYTE* in/out
    ctypes.POINTER(wintypes.DWORD),  # pdwNumEntries : DWORD* in/out
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('rtm.dll')
MgmGetNextMfeStats = Fiddle::Function.new(
  lib['MgmGetNextMfeStats'],
  [
    Fiddle::TYPE_VOIDP,  # pimmStart : MIB_IPMCAST_MFE* in/out
    Fiddle::TYPE_VOIDP,  # pdwBufferSize : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # pbBuffer : BYTE* in/out
    Fiddle::TYPE_VOIDP,  # pdwNumEntries : DWORD* in/out
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "rtm")]
extern "system" {
    fn MgmGetNextMfeStats(
        pimmStart: *mut MIB_IPMCAST_MFE,  // MIB_IPMCAST_MFE* in/out
        pdwBufferSize: *mut u32,  // DWORD* in/out
        pbBuffer: *mut u8,  // BYTE* in/out
        pdwNumEntries: *mut u32,  // DWORD* in/out
        dwFlags: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("rtm.dll")]
public static extern uint MgmGetNextMfeStats(IntPtr pimmStart, ref uint pdwBufferSize, IntPtr pbBuffer, ref uint pdwNumEntries, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'rtm_MgmGetNextMfeStats' -Namespace Win32 -PassThru
# $api::MgmGetNextMfeStats(pimmStart, pdwBufferSize, pbBuffer, pdwNumEntries, dwFlags)

#uselib "rtm.dll"
#func global MgmGetNextMfeStats "MgmGetNextMfeStats" sptr, sptr, sptr, sptr, sptr
; MgmGetNextMfeStats varptr(pimmStart), varptr(pdwBufferSize), varptr(pbBuffer), varptr(pdwNumEntries), dwFlags   ; 戻り値は stat
; pimmStart : MIB_IPMCAST_MFE* in/out -> "sptr"
; pdwBufferSize : DWORD* in/out -> "sptr"
; pbBuffer : BYTE* in/out -> "sptr"
; pdwNumEntries : DWORD* in/out -> "sptr"
; dwFlags : 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 (
	rtm = windows.NewLazySystemDLL("rtm.dll")
	procMgmGetNextMfeStats = rtm.NewProc("MgmGetNextMfeStats")
)

// pimmStart (MIB_IPMCAST_MFE* in/out), pdwBufferSize (DWORD* in/out), pbBuffer (BYTE* in/out), pdwNumEntries (DWORD* in/out), dwFlags (DWORD)
r1, _, err := procMgmGetNextMfeStats.Call(
	uintptr(pimmStart),
	uintptr(pdwBufferSize),
	uintptr(pbBuffer),
	uintptr(pdwNumEntries),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MgmGetNextMfeStats(
  pimmStart: Pointer;   // MIB_IPMCAST_MFE* in/out
  pdwBufferSize: Pointer;   // DWORD* in/out
  pbBuffer: Pointer;   // BYTE* in/out
  pdwNumEntries: Pointer;   // DWORD* in/out
  dwFlags: DWORD   // DWORD
): DWORD; stdcall;
  external 'rtm.dll' name 'MgmGetNextMfeStats';

result := DllCall("rtm\MgmGetNextMfeStats"
    , "Ptr", pimmStart   ; MIB_IPMCAST_MFE* in/out
    , "Ptr", pdwBufferSize   ; DWORD* in/out
    , "Ptr", pbBuffer   ; BYTE* in/out
    , "Ptr", pdwNumEntries   ; DWORD* in/out
    , "UInt", dwFlags   ; DWORD
    , "UInt")   ; return: DWORD

●MgmGetNextMfeStats(pimmStart, pdwBufferSize, pbBuffer, pdwNumEntries, dwFlags) = DLL("rtm.dll", "dword MgmGetNextMfeStats(void*, void*, void*, void*, dword)")
# 呼び出し: MgmGetNextMfeStats(pimmStart, pdwBufferSize, pbBuffer, pdwNumEntries, dwFlags)
# pimmStart : MIB_IPMCAST_MFE* in/out -> "void*"
# pdwBufferSize : DWORD* in/out -> "void*"
# pbBuffer : BYTE* in/out -> "void*"
# pdwNumEntries : DWORD* in/out -> "void*"
# dwFlags : 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 "rtm" fn MgmGetNextMfeStats(
    pimmStart: [*c]MIB_IPMCAST_MFE, // MIB_IPMCAST_MFE* in/out
    pdwBufferSize: [*c]u32, // DWORD* in/out
    pbBuffer: [*c]u8, // BYTE* in/out
    pdwNumEntries: [*c]u32, // DWORD* in/out
    dwFlags: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;

proc MgmGetNextMfeStats(
    pimmStart: ptr MIB_IPMCAST_MFE,  # MIB_IPMCAST_MFE* in/out
    pdwBufferSize: ptr uint32,  # DWORD* in/out
    pbBuffer: ptr uint8,  # BYTE* in/out
    pdwNumEntries: ptr uint32,  # DWORD* in/out
    dwFlags: uint32  # DWORD
): uint32 {.importc: "MgmGetNextMfeStats", stdcall, dynlib: "rtm.dll".}

pragma(lib, "rtm");
extern(Windows)
uint MgmGetNextMfeStats(
    MIB_IPMCAST_MFE* pimmStart,   // MIB_IPMCAST_MFE* in/out
    uint* pdwBufferSize,   // DWORD* in/out
    ubyte* pbBuffer,   // BYTE* in/out
    uint* pdwNumEntries,   // DWORD* in/out
    uint dwFlags   // DWORD
);

ccall((:MgmGetNextMfeStats, "rtm.dll"), stdcall, UInt32,
      (Ptr{MIB_IPMCAST_MFE}, Ptr{UInt32}, Ptr{UInt8}, Ptr{UInt32}, UInt32),
      pimmStart, pdwBufferSize, pbBuffer, pdwNumEntries, dwFlags)
# pimmStart : MIB_IPMCAST_MFE* in/out -> Ptr{MIB_IPMCAST_MFE}
# pdwBufferSize : DWORD* in/out -> Ptr{UInt32}
# pbBuffer : BYTE* in/out -> Ptr{UInt8}
# pdwNumEntries : DWORD* in/out -> Ptr{UInt32}
# dwFlags : 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 MgmGetNextMfeStats(
    void* pimmStart,
    uint32_t* pdwBufferSize,
    uint8_t* pbBuffer,
    uint32_t* pdwNumEntries,
    uint32_t dwFlags);
]]
local rtm = ffi.load("rtm")
-- rtm.MgmGetNextMfeStats(pimmStart, pdwBufferSize, pbBuffer, pdwNumEntries, dwFlags)
-- pimmStart : MIB_IPMCAST_MFE* in/out
-- pdwBufferSize : DWORD* in/out
-- pbBuffer : BYTE* in/out
-- pdwNumEntries : DWORD* in/out
-- dwFlags : 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('rtm.dll');
const MgmGetNextMfeStats = lib.func('__stdcall', 'MgmGetNextMfeStats', 'uint32_t', ['void *', 'uint32_t *', 'uint8_t *', 'uint32_t *', 'uint32_t']);
// MgmGetNextMfeStats(pimmStart, pdwBufferSize, pbBuffer, pdwNumEntries, dwFlags)
// pimmStart : MIB_IPMCAST_MFE* in/out -> 'void *'
// pdwBufferSize : DWORD* in/out -> 'uint32_t *'
// pbBuffer : BYTE* in/out -> 'uint8_t *'
// pdwNumEntries : DWORD* in/out -> 'uint32_t *'
// dwFlags : 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("rtm.dll", {
  MgmGetNextMfeStats: { parameters: ["pointer", "pointer", "pointer", "pointer", "u32"], result: "u32" },
});
// lib.symbols.MgmGetNextMfeStats(pimmStart, pdwBufferSize, pbBuffer, pdwNumEntries, dwFlags)
// pimmStart : MIB_IPMCAST_MFE* in/out -> "pointer"
// pdwBufferSize : DWORD* in/out -> "pointer"
// pbBuffer : BYTE* in/out -> "pointer"
// pdwNumEntries : DWORD* in/out -> "pointer"
// dwFlags : 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 MgmGetNextMfeStats(
    void* pimmStart,
    uint32_t* pdwBufferSize,
    uint8_t* pbBuffer,
    uint32_t* pdwNumEntries,
    uint32_t dwFlags);
C, "rtm.dll");
// $ffi->MgmGetNextMfeStats(pimmStart, pdwBufferSize, pbBuffer, pdwNumEntries, dwFlags);
// pimmStart : MIB_IPMCAST_MFE* in/out
// pdwBufferSize : DWORD* in/out
// pbBuffer : BYTE* in/out
// pdwNumEntries : DWORD* in/out
// dwFlags : 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 Rtm extends StdCallLibrary {
    Rtm INSTANCE = Native.load("rtm", Rtm.class);
    int MgmGetNextMfeStats(
        Pointer pimmStart,   // MIB_IPMCAST_MFE* in/out
        IntByReference pdwBufferSize,   // DWORD* in/out
        byte[] pbBuffer,   // BYTE* in/out
        IntByReference pdwNumEntries,   // DWORD* in/out
        int dwFlags   // DWORD
    );
}

@[Link("rtm")]
lib Librtm
  fun MgmGetNextMfeStats = MgmGetNextMfeStats(
    pimmStart : MIB_IPMCAST_MFE*,   # MIB_IPMCAST_MFE* in/out
    pdwBufferSize : UInt32*,   # DWORD* in/out
    pbBuffer : UInt8*,   # BYTE* in/out
    pdwNumEntries : UInt32*,   # DWORD* in/out
    dwFlags : 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 MgmGetNextMfeStatsNative = Uint32 Function(Pointer<Void>, Pointer<Uint32>, Pointer<Uint8>, Pointer<Uint32>, Uint32);
typedef MgmGetNextMfeStatsDart = int Function(Pointer<Void>, Pointer<Uint32>, Pointer<Uint8>, Pointer<Uint32>, int);
final MgmGetNextMfeStats = DynamicLibrary.open('rtm.dll')
    .lookupFunction<MgmGetNextMfeStatsNative, MgmGetNextMfeStatsDart>('MgmGetNextMfeStats');
// pimmStart : MIB_IPMCAST_MFE* in/out -> Pointer<Void>
// pdwBufferSize : DWORD* in/out -> Pointer<Uint32>
// pbBuffer : BYTE* in/out -> Pointer<Uint8>
// pdwNumEntries : DWORD* in/out -> Pointer<Uint32>
// dwFlags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MgmGetNextMfeStats(
  pimmStart: Pointer;   // MIB_IPMCAST_MFE* in/out
  pdwBufferSize: Pointer;   // DWORD* in/out
  pbBuffer: Pointer;   // BYTE* in/out
  pdwNumEntries: Pointer;   // DWORD* in/out
  dwFlags: DWORD   // DWORD
): DWORD; stdcall;
  external 'rtm.dll' name 'MgmGetNextMfeStats';

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

foreign import stdcall safe "MgmGetNextMfeStats"
  c_MgmGetNextMfeStats :: Ptr () -> Ptr Word32 -> Ptr Word8 -> Ptr Word32 -> Word32 -> IO Word32
-- pimmStart : MIB_IPMCAST_MFE* in/out -> Ptr ()
-- pdwBufferSize : DWORD* in/out -> Ptr Word32
-- pbBuffer : BYTE* in/out -> Ptr Word8
-- pdwNumEntries : DWORD* in/out -> Ptr Word32
-- dwFlags : 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 mgmgetnextmfestats =
  foreign "MgmGetNextMfeStats"
    ((ptr void) @-> (ptr uint32_t) @-> (ptr uint8_t) @-> (ptr uint32_t) @-> uint32_t @-> returning uint32_t)
(* pimmStart : MIB_IPMCAST_MFE* in/out -> (ptr void) *)
(* pdwBufferSize : DWORD* in/out -> (ptr uint32_t) *)
(* pbBuffer : BYTE* in/out -> (ptr uint8_t) *)
(* pdwNumEntries : DWORD* in/out -> (ptr uint32_t) *)
(* dwFlags : 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 rtm (t "rtm.dll"))
(cffi:use-foreign-library rtm)

(cffi:defcfun ("MgmGetNextMfeStats" mgm-get-next-mfe-stats :convention :stdcall) :uint32
  (pimm-start :pointer)   ; MIB_IPMCAST_MFE* in/out
  (pdw-buffer-size :pointer)   ; DWORD* in/out
  (pb-buffer :pointer)   ; BYTE* in/out
  (pdw-num-entries :pointer)   ; DWORD* in/out
  (dw-flags :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MgmGetNextMfeStats = Win32::API::More->new('rtm',
    'DWORD MgmGetNextMfeStats(LPVOID pimmStart, LPVOID pdwBufferSize, LPVOID pbBuffer, LPVOID pdwNumEntries, DWORD dwFlags)');
# my $ret = $MgmGetNextMfeStats->Call($pimmStart, $pdwBufferSize, $pbBuffer, $pdwNumEntries, $dwFlags);
# pimmStart : MIB_IPMCAST_MFE* in/out -> LPVOID
# pdwBufferSize : DWORD* in/out -> LPVOID
# pbBuffer : BYTE* in/out -> LPVOID
# pdwNumEntries : DWORD* in/out -> LPVOID
# dwFlags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。