PeerGroupSendData

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

HRESULT PeerGroupSendData(
    void* hGroup,
    ULONGLONG ullConnectionId,
    const GUID* pType,
    DWORD cbData,
    void* pvData
);

<DllImport("P2P.dll", ExactSpelling:=True)>
Public Shared Function PeerGroupSendData(
    hGroup As IntPtr,   ' void*
    ullConnectionId As ULong,   ' ULONGLONG
    ByRef pType As Guid,   ' GUID*
    cbData As UInteger,   ' DWORD
    pvData As IntPtr   ' void*
) As Integer
End Function

' hGroup : void*
' ullConnectionId : ULONGLONG
' pType : GUID*
' cbData : DWORD
' pvData : void*
Declare PtrSafe Function PeerGroupSendData Lib "p2p" ( _
    ByVal hGroup As LongPtr, _
    ByVal ullConnectionId As LongLong, _
    ByVal pType As LongPtr, _
    ByVal cbData As Long, _
    ByVal pvData 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

PeerGroupSendData = ctypes.windll.p2p.PeerGroupSendData
PeerGroupSendData.restype = ctypes.c_int
PeerGroupSendData.argtypes = [
    ctypes.POINTER(None),  # hGroup : void*
    ctypes.c_ulonglong,  # ullConnectionId : ULONGLONG
    ctypes.c_void_p,  # pType : GUID*
    wintypes.DWORD,  # cbData : DWORD
    ctypes.POINTER(None),  # pvData : void*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2P.dll')
PeerGroupSendData = Fiddle::Function.new(
  lib['PeerGroupSendData'],
  [
    Fiddle::TYPE_VOIDP,  # hGroup : void*
    -Fiddle::TYPE_LONG_LONG,  # ullConnectionId : ULONGLONG
    Fiddle::TYPE_VOIDP,  # pType : GUID*
    -Fiddle::TYPE_INT,  # cbData : DWORD
    Fiddle::TYPE_VOIDP,  # pvData : void*
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2p")]
extern "system" {
    fn PeerGroupSendData(
        hGroup: *mut (),  // void*
        ullConnectionId: u64,  // ULONGLONG
        pType: *const GUID,  // GUID*
        cbData: u32,  // DWORD
        pvData: *mut ()  // void*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2P.dll")]
public static extern int PeerGroupSendData(IntPtr hGroup, ulong ullConnectionId, ref Guid pType, uint cbData, IntPtr pvData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerGroupSendData' -Namespace Win32 -PassThru
# $api::PeerGroupSendData(hGroup, ullConnectionId, pType, cbData, pvData)

#uselib "P2P.dll"
#func global PeerGroupSendData "PeerGroupSendData" sptr, sptr, sptr, sptr, sptr
; PeerGroupSendData hGroup, ullConnectionId, varptr(pType), cbData, pvData   ; 戻り値は stat
; hGroup : void* -> "sptr"
; ullConnectionId : ULONGLONG -> "sptr"
; pType : GUID* -> "sptr"
; cbData : DWORD -> "sptr"
; pvData : void* -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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")
	procPeerGroupSendData = p2p.NewProc("PeerGroupSendData")
)

// hGroup (void*), ullConnectionId (ULONGLONG), pType (GUID*), cbData (DWORD), pvData (void*)
r1, _, err := procPeerGroupSendData.Call(
	uintptr(hGroup),
	uintptr(ullConnectionId),
	uintptr(pType),
	uintptr(cbData),
	uintptr(pvData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerGroupSendData(
  hGroup: Pointer;   // void*
  ullConnectionId: UInt64;   // ULONGLONG
  pType: PGUID;   // GUID*
  cbData: DWORD;   // DWORD
  pvData: Pointer   // void*
): Integer; stdcall;
  external 'P2P.dll' name 'PeerGroupSendData';

result := DllCall("P2P\PeerGroupSendData"
    , "Ptr", hGroup   ; void*
    , "Int64", ullConnectionId   ; ULONGLONG
    , "Ptr", pType   ; GUID*
    , "UInt", cbData   ; DWORD
    , "Ptr", pvData   ; void*
    , "Int")   ; return: HRESULT

●PeerGroupSendData(hGroup, ullConnectionId, pType, cbData, pvData) = DLL("P2P.dll", "int PeerGroupSendData(void*, qword, void*, dword, void*)")
# 呼び出し: PeerGroupSendData(hGroup, ullConnectionId, pType, cbData, pvData)
# hGroup : void* -> "void*"
# ullConnectionId : ULONGLONG -> "qword"
# pType : GUID* -> "void*"
# cbData : DWORD -> "dword"
# pvData : void* -> "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 PeerGroupSendData(
    hGroup: ?*anyopaque, // void*
    ullConnectionId: u64, // ULONGLONG
    pType: [*c]GUID, // GUID*
    cbData: u32, // DWORD
    pvData: ?*anyopaque // void*
) callconv(std.os.windows.WINAPI) i32;

proc PeerGroupSendData(
    hGroup: pointer,  # void*
    ullConnectionId: uint64,  # ULONGLONG
    pType: ptr GUID,  # GUID*
    cbData: uint32,  # DWORD
    pvData: pointer  # void*
): int32 {.importc: "PeerGroupSendData", stdcall, dynlib: "P2P.dll".}

pragma(lib, "p2p");
extern(Windows)
int PeerGroupSendData(
    void* hGroup,   // void*
    ulong ullConnectionId,   // ULONGLONG
    GUID* pType,   // GUID*
    uint cbData,   // DWORD
    void* pvData   // void*
);

ccall((:PeerGroupSendData, "P2P.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt64, Ptr{GUID}, UInt32, Ptr{Cvoid}),
      hGroup, ullConnectionId, pType, cbData, pvData)
# hGroup : void* -> Ptr{Cvoid}
# ullConnectionId : ULONGLONG -> UInt64
# pType : GUID* -> Ptr{GUID}
# cbData : DWORD -> UInt32
# pvData : void* -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PeerGroupSendData(
    void* hGroup,
    uint64_t ullConnectionId,
    void* pType,
    uint32_t cbData,
    void* pvData);
]]
local p2p = ffi.load("p2p")
-- p2p.PeerGroupSendData(hGroup, ullConnectionId, pType, cbData, pvData)
-- hGroup : void*
-- ullConnectionId : ULONGLONG
-- pType : GUID*
-- cbData : DWORD
-- pvData : void*
-- 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 PeerGroupSendData = lib.func('__stdcall', 'PeerGroupSendData', 'int32_t', ['void *', 'uint64_t', 'void *', 'uint32_t', 'void *']);
// PeerGroupSendData(hGroup, ullConnectionId, pType, cbData, pvData)
// hGroup : void* -> 'void *'
// ullConnectionId : ULONGLONG -> 'uint64_t'
// pType : GUID* -> 'void *'
// cbData : DWORD -> 'uint32_t'
// pvData : void* -> '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", {
  PeerGroupSendData: { parameters: ["pointer", "u64", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.PeerGroupSendData(hGroup, ullConnectionId, pType, cbData, pvData)
// hGroup : void* -> "pointer"
// ullConnectionId : ULONGLONG -> "u64"
// pType : GUID* -> "pointer"
// cbData : DWORD -> "u32"
// pvData : void* -> "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 PeerGroupSendData(
    void* hGroup,
    uint64_t ullConnectionId,
    void* pType,
    uint32_t cbData,
    void* pvData);
C, "P2P.dll");
// $ffi->PeerGroupSendData(hGroup, ullConnectionId, pType, cbData, pvData);
// hGroup : void*
// ullConnectionId : ULONGLONG
// pType : GUID*
// cbData : DWORD
// pvData : void*
// 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 PeerGroupSendData(
        Pointer hGroup,   // void*
        long ullConnectionId,   // ULONGLONG
        Pointer pType,   // GUID*
        int cbData,   // DWORD
        Pointer pvData   // void*
    );
}

@[Link("p2p")]
lib LibP2P
  fun PeerGroupSendData = PeerGroupSendData(
    hGroup : Void*,   # void*
    ullConnectionId : UInt64,   # ULONGLONG
    pType : GUID*,   # GUID*
    cbData : UInt32,   # DWORD
    pvData : Void*   # void*
  ) : 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 PeerGroupSendDataNative = Int32 Function(Pointer<Void>, Uint64, Pointer<Void>, Uint32, Pointer<Void>);
typedef PeerGroupSendDataDart = int Function(Pointer<Void>, int, Pointer<Void>, int, Pointer<Void>);
final PeerGroupSendData = DynamicLibrary.open('P2P.dll')
    .lookupFunction<PeerGroupSendDataNative, PeerGroupSendDataDart>('PeerGroupSendData');
// hGroup : void* -> Pointer<Void>
// ullConnectionId : ULONGLONG -> Uint64
// pType : GUID* -> Pointer<Void>
// cbData : DWORD -> Uint32
// pvData : void* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PeerGroupSendData(
  hGroup: Pointer;   // void*
  ullConnectionId: UInt64;   // ULONGLONG
  pType: PGUID;   // GUID*
  cbData: DWORD;   // DWORD
  pvData: Pointer   // void*
): Integer; stdcall;
  external 'P2P.dll' name 'PeerGroupSendData';

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

foreign import stdcall safe "PeerGroupSendData"
  c_PeerGroupSendData :: Ptr () -> Word64 -> Ptr () -> Word32 -> Ptr () -> IO Int32
-- hGroup : void* -> Ptr ()
-- ullConnectionId : ULONGLONG -> Word64
-- pType : GUID* -> Ptr ()
-- cbData : DWORD -> Word32
-- pvData : void* -> 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 peergroupsenddata =
  foreign "PeerGroupSendData"
    ((ptr void) @-> uint64_t @-> (ptr void) @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* hGroup : void* -> (ptr void) *)
(* ullConnectionId : ULONGLONG -> uint64_t *)
(* pType : GUID* -> (ptr void) *)
(* cbData : DWORD -> uint32_t *)
(* pvData : void* -> (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 ("PeerGroupSendData" peer-group-send-data :convention :stdcall) :int32
  (h-group :pointer)   ; void*
  (ull-connection-id :uint64)   ; ULONGLONG
  (p-type :pointer)   ; GUID*
  (cb-data :uint32)   ; DWORD
  (pv-data :pointer))   ; void*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PeerGroupSendData = Win32::API::More->new('P2P',
    'int PeerGroupSendData(LPVOID hGroup, UINT64 ullConnectionId, LPVOID pType, DWORD cbData, LPVOID pvData)');
# my $ret = $PeerGroupSendData->Call($hGroup, $ullConnectionId, $pType, $cbData, $pvData);
# hGroup : void* -> LPVOID
# ullConnectionId : ULONGLONG -> UINT64
# pType : GUID* -> LPVOID
# cbData : DWORD -> DWORD
# pvData : void* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。