PeerGroupGetRecord

// P2P.dll
#include <windows.h>

HRESULT PeerGroupGetRecord(
    void* hGroup,
    const GUID* pRecordId,
    PEER_RECORD** ppRecord
);

<DllImport("P2P.dll", ExactSpelling:=True)>
Public Shared Function PeerGroupGetRecord(
    hGroup As IntPtr,   ' void*
    ByRef pRecordId As Guid,   ' GUID*
    ppRecord As IntPtr   ' PEER_RECORD** out
) As Integer
End Function

' hGroup : void*
' pRecordId : GUID*
' ppRecord : PEER_RECORD** out
Declare PtrSafe Function PeerGroupGetRecord Lib "p2p" ( _
    ByVal hGroup As LongPtr, _
    ByVal pRecordId As LongPtr, _
    ByVal ppRecord 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

PeerGroupGetRecord = ctypes.windll.p2p.PeerGroupGetRecord
PeerGroupGetRecord.restype = ctypes.c_int
PeerGroupGetRecord.argtypes = [
    ctypes.POINTER(None),  # hGroup : void*
    ctypes.c_void_p,  # pRecordId : GUID*
    ctypes.c_void_p,  # ppRecord : PEER_RECORD** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2P.dll')
PeerGroupGetRecord = Fiddle::Function.new(
  lib['PeerGroupGetRecord'],
  [
    Fiddle::TYPE_VOIDP,  # hGroup : void*
    Fiddle::TYPE_VOIDP,  # pRecordId : GUID*
    Fiddle::TYPE_VOIDP,  # ppRecord : PEER_RECORD** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2p")]
extern "system" {
    fn PeerGroupGetRecord(
        hGroup: *mut (),  // void*
        pRecordId: *const GUID,  // GUID*
        ppRecord: *mut *mut PEER_RECORD  // PEER_RECORD** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2P.dll")]
public static extern int PeerGroupGetRecord(IntPtr hGroup, ref Guid pRecordId, IntPtr ppRecord);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerGroupGetRecord' -Namespace Win32 -PassThru
# $api::PeerGroupGetRecord(hGroup, pRecordId, ppRecord)

#uselib "P2P.dll"
#func global PeerGroupGetRecord "PeerGroupGetRecord" sptr, sptr, sptr
; PeerGroupGetRecord hGroup, varptr(pRecordId), varptr(ppRecord)   ; 戻り値は stat
; hGroup : void* -> "sptr"
; pRecordId : GUID* -> "sptr"
; ppRecord : PEER_RECORD** 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 (
	p2p = windows.NewLazySystemDLL("P2P.dll")
	procPeerGroupGetRecord = p2p.NewProc("PeerGroupGetRecord")
)

// hGroup (void*), pRecordId (GUID*), ppRecord (PEER_RECORD** out)
r1, _, err := procPeerGroupGetRecord.Call(
	uintptr(hGroup),
	uintptr(pRecordId),
	uintptr(ppRecord),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerGroupGetRecord(
  hGroup: Pointer;   // void*
  pRecordId: PGUID;   // GUID*
  ppRecord: Pointer   // PEER_RECORD** out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerGroupGetRecord';

result := DllCall("P2P\PeerGroupGetRecord"
    , "Ptr", hGroup   ; void*
    , "Ptr", pRecordId   ; GUID*
    , "Ptr", ppRecord   ; PEER_RECORD** out
    , "Int")   ; return: HRESULT

●PeerGroupGetRecord(hGroup, pRecordId, ppRecord) = DLL("P2P.dll", "int PeerGroupGetRecord(void*, void*, void*)")
# 呼び出し: PeerGroupGetRecord(hGroup, pRecordId, ppRecord)
# hGroup : void* -> "void*"
# pRecordId : GUID* -> "void*"
# ppRecord : PEER_RECORD** 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 "p2p" fn PeerGroupGetRecord(
    hGroup: ?*anyopaque, // void*
    pRecordId: [*c]GUID, // GUID*
    ppRecord: [*c][*c]PEER_RECORD // PEER_RECORD** out
) callconv(std.os.windows.WINAPI) i32;

proc PeerGroupGetRecord(
    hGroup: pointer,  # void*
    pRecordId: ptr GUID,  # GUID*
    ppRecord: ptr PEER_RECORD  # PEER_RECORD** out
): int32 {.importc: "PeerGroupGetRecord", stdcall, dynlib: "P2P.dll".}

pragma(lib, "p2p");
extern(Windows)
int PeerGroupGetRecord(
    void* hGroup,   // void*
    GUID* pRecordId,   // GUID*
    PEER_RECORD** ppRecord   // PEER_RECORD** out
);

ccall((:PeerGroupGetRecord, "P2P.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{GUID}, Ptr{PEER_RECORD}),
      hGroup, pRecordId, ppRecord)
# hGroup : void* -> Ptr{Cvoid}
# pRecordId : GUID* -> Ptr{GUID}
# ppRecord : PEER_RECORD** out -> Ptr{PEER_RECORD}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PeerGroupGetRecord(
    void* hGroup,
    void* pRecordId,
    void* ppRecord);
]]
local p2p = ffi.load("p2p")
-- p2p.PeerGroupGetRecord(hGroup, pRecordId, ppRecord)
-- hGroup : void*
-- pRecordId : GUID*
-- ppRecord : PEER_RECORD** 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('P2P.dll');
const PeerGroupGetRecord = lib.func('__stdcall', 'PeerGroupGetRecord', 'int32_t', ['void *', 'void *', 'void *']);
// PeerGroupGetRecord(hGroup, pRecordId, ppRecord)
// hGroup : void* -> 'void *'
// pRecordId : GUID* -> 'void *'
// ppRecord : PEER_RECORD** 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("P2P.dll", {
  PeerGroupGetRecord: { parameters: ["pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.PeerGroupGetRecord(hGroup, pRecordId, ppRecord)
// hGroup : void* -> "pointer"
// pRecordId : GUID* -> "pointer"
// ppRecord : PEER_RECORD** 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 PeerGroupGetRecord(
    void* hGroup,
    void* pRecordId,
    void* ppRecord);
C, "P2P.dll");
// $ffi->PeerGroupGetRecord(hGroup, pRecordId, ppRecord);
// hGroup : void*
// pRecordId : GUID*
// ppRecord : PEER_RECORD** 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 P2p extends StdCallLibrary {
    P2p INSTANCE = Native.load("p2p", P2p.class);
    int PeerGroupGetRecord(
        Pointer hGroup,   // void*
        Pointer pRecordId,   // GUID*
        Pointer ppRecord   // PEER_RECORD** out
    );
}

@[Link("p2p")]
lib LibP2P
  fun PeerGroupGetRecord = PeerGroupGetRecord(
    hGroup : Void*,   # void*
    pRecordId : GUID*,   # GUID*
    ppRecord : PEER_RECORD**   # PEER_RECORD** 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 PeerGroupGetRecordNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef PeerGroupGetRecordDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
final PeerGroupGetRecord = DynamicLibrary.open('P2P.dll')
    .lookupFunction<PeerGroupGetRecordNative, PeerGroupGetRecordDart>('PeerGroupGetRecord');
// hGroup : void* -> Pointer<Void>
// pRecordId : GUID* -> Pointer<Void>
// ppRecord : PEER_RECORD** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PeerGroupGetRecord(
  hGroup: Pointer;   // void*
  pRecordId: PGUID;   // GUID*
  ppRecord: Pointer   // PEER_RECORD** out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerGroupGetRecord';

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

foreign import stdcall safe "PeerGroupGetRecord"
  c_PeerGroupGetRecord :: Ptr () -> Ptr () -> Ptr () -> IO Int32
-- hGroup : void* -> Ptr ()
-- pRecordId : GUID* -> Ptr ()
-- ppRecord : PEER_RECORD** 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 peergroupgetrecord =
  foreign "PeerGroupGetRecord"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* hGroup : void* -> (ptr void) *)
(* pRecordId : GUID* -> (ptr void) *)
(* ppRecord : PEER_RECORD** 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 p2p (t "P2P.dll"))
(cffi:use-foreign-library p2p)

(cffi:defcfun ("PeerGroupGetRecord" peer-group-get-record :convention :stdcall) :int32
  (h-group :pointer)   ; void*
  (p-record-id :pointer)   ; GUID*
  (pp-record :pointer))   ; PEER_RECORD** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PeerGroupGetRecord = Win32::API::More->new('P2P',
    'int PeerGroupGetRecord(LPVOID hGroup, LPVOID pRecordId, LPVOID ppRecord)');
# my $ret = $PeerGroupGetRecord->Call($hGroup, $pRecordId, $ppRecord);
# hGroup : void* -> LPVOID
# pRecordId : GUID* -> LPVOID
# ppRecord : PEER_RECORD** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。