PeerDistClientOpenContent

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

DWORD PeerDistClientOpenContent(
    INT_PTR hPeerDist,
    PEERDIST_CONTENT_TAG* pContentTag,
    HANDLE hCompletionPort,   // optional
    UINT_PTR ulCompletionKey,   // optional
    INT_PTR* phContentHandle
);

<DllImport("PeerDist.dll", ExactSpelling:=True)>
Public Shared Function PeerDistClientOpenContent(
    hPeerDist As IntPtr,   ' INT_PTR
    pContentTag As IntPtr,   ' PEERDIST_CONTENT_TAG*
    hCompletionPort As IntPtr,   ' HANDLE optional
    ulCompletionKey As UIntPtr,   ' UINT_PTR optional
    <Out> ByRef phContentHandle As IntPtr   ' INT_PTR* out
) As UInteger
End Function

' hPeerDist : INT_PTR
' pContentTag : PEERDIST_CONTENT_TAG*
' hCompletionPort : HANDLE optional
' ulCompletionKey : UINT_PTR optional
' phContentHandle : INT_PTR* out
Declare PtrSafe Function PeerDistClientOpenContent Lib "peerdist" ( _
    ByVal hPeerDist As LongPtr, _
    ByVal pContentTag As LongPtr, _
    ByVal hCompletionPort As LongPtr, _
    ByVal ulCompletionKey As LongPtr, _
    ByRef phContentHandle 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

PeerDistClientOpenContent = ctypes.windll.peerdist.PeerDistClientOpenContent
PeerDistClientOpenContent.restype = wintypes.DWORD
PeerDistClientOpenContent.argtypes = [
    ctypes.c_ssize_t,  # hPeerDist : INT_PTR
    ctypes.c_void_p,  # pContentTag : PEERDIST_CONTENT_TAG*
    wintypes.HANDLE,  # hCompletionPort : HANDLE optional
    ctypes.c_size_t,  # ulCompletionKey : UINT_PTR optional
    ctypes.POINTER(ctypes.c_ssize_t),  # phContentHandle : INT_PTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PeerDist.dll')
PeerDistClientOpenContent = Fiddle::Function.new(
  lib['PeerDistClientOpenContent'],
  [
    Fiddle::TYPE_INTPTR_T,  # hPeerDist : INT_PTR
    Fiddle::TYPE_VOIDP,  # pContentTag : PEERDIST_CONTENT_TAG*
    Fiddle::TYPE_VOIDP,  # hCompletionPort : HANDLE optional
    Fiddle::TYPE_UINTPTR_T,  # ulCompletionKey : UINT_PTR optional
    Fiddle::TYPE_VOIDP,  # phContentHandle : INT_PTR* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "peerdist")]
extern "system" {
    fn PeerDistClientOpenContent(
        hPeerDist: isize,  // INT_PTR
        pContentTag: *mut PEERDIST_CONTENT_TAG,  // PEERDIST_CONTENT_TAG*
        hCompletionPort: *mut core::ffi::c_void,  // HANDLE optional
        ulCompletionKey: usize,  // UINT_PTR optional
        phContentHandle: *mut isize  // INT_PTR* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PeerDist.dll")]
public static extern uint PeerDistClientOpenContent(IntPtr hPeerDist, IntPtr pContentTag, IntPtr hCompletionPort, UIntPtr ulCompletionKey, out IntPtr phContentHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PeerDist_PeerDistClientOpenContent' -Namespace Win32 -PassThru
# $api::PeerDistClientOpenContent(hPeerDist, pContentTag, hCompletionPort, ulCompletionKey, phContentHandle)

#uselib "PeerDist.dll"
#func global PeerDistClientOpenContent "PeerDistClientOpenContent" sptr, sptr, sptr, sptr, sptr
; PeerDistClientOpenContent hPeerDist, varptr(pContentTag), hCompletionPort, ulCompletionKey, varptr(phContentHandle)   ; 戻り値は stat
; hPeerDist : INT_PTR -> "sptr"
; pContentTag : PEERDIST_CONTENT_TAG* -> "sptr"
; hCompletionPort : HANDLE optional -> "sptr"
; ulCompletionKey : UINT_PTR optional -> "sptr"
; phContentHandle : INT_PTR* 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 (
	peerdist = windows.NewLazySystemDLL("PeerDist.dll")
	procPeerDistClientOpenContent = peerdist.NewProc("PeerDistClientOpenContent")
)

// hPeerDist (INT_PTR), pContentTag (PEERDIST_CONTENT_TAG*), hCompletionPort (HANDLE optional), ulCompletionKey (UINT_PTR optional), phContentHandle (INT_PTR* out)
r1, _, err := procPeerDistClientOpenContent.Call(
	uintptr(hPeerDist),
	uintptr(pContentTag),
	uintptr(hCompletionPort),
	uintptr(ulCompletionKey),
	uintptr(phContentHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PeerDistClientOpenContent(
  hPeerDist: NativeInt;   // INT_PTR
  pContentTag: Pointer;   // PEERDIST_CONTENT_TAG*
  hCompletionPort: THandle;   // HANDLE optional
  ulCompletionKey: NativeUInt;   // UINT_PTR optional
  phContentHandle: Pointer   // INT_PTR* out
): DWORD; stdcall;
  external 'PeerDist.dll' name 'PeerDistClientOpenContent';

result := DllCall("PeerDist\PeerDistClientOpenContent"
    , "Ptr", hPeerDist   ; INT_PTR
    , "Ptr", pContentTag   ; PEERDIST_CONTENT_TAG*
    , "Ptr", hCompletionPort   ; HANDLE optional
    , "UPtr", ulCompletionKey   ; UINT_PTR optional
    , "Ptr", phContentHandle   ; INT_PTR* out
    , "UInt")   ; return: DWORD

●PeerDistClientOpenContent(hPeerDist, pContentTag, hCompletionPort, ulCompletionKey, phContentHandle) = DLL("PeerDist.dll", "dword PeerDistClientOpenContent(int, void*, void*, int, void*)")
# 呼び出し: PeerDistClientOpenContent(hPeerDist, pContentTag, hCompletionPort, ulCompletionKey, phContentHandle)
# hPeerDist : INT_PTR -> "int"
# pContentTag : PEERDIST_CONTENT_TAG* -> "void*"
# hCompletionPort : HANDLE optional -> "void*"
# ulCompletionKey : UINT_PTR optional -> "int"
# phContentHandle : INT_PTR* 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 "peerdist" fn PeerDistClientOpenContent(
    hPeerDist: isize, // INT_PTR
    pContentTag: [*c]PEERDIST_CONTENT_TAG, // PEERDIST_CONTENT_TAG*
    hCompletionPort: ?*anyopaque, // HANDLE optional
    ulCompletionKey: usize, // UINT_PTR optional
    phContentHandle: [*c]isize // INT_PTR* out
) callconv(std.os.windows.WINAPI) u32;

proc PeerDistClientOpenContent(
    hPeerDist: int,  # INT_PTR
    pContentTag: ptr PEERDIST_CONTENT_TAG,  # PEERDIST_CONTENT_TAG*
    hCompletionPort: pointer,  # HANDLE optional
    ulCompletionKey: uint,  # UINT_PTR optional
    phContentHandle: ptr int  # INT_PTR* out
): uint32 {.importc: "PeerDistClientOpenContent", stdcall, dynlib: "PeerDist.dll".}

pragma(lib, "peerdist");
extern(Windows)
uint PeerDistClientOpenContent(
    ptrdiff_t hPeerDist,   // INT_PTR
    PEERDIST_CONTENT_TAG* pContentTag,   // PEERDIST_CONTENT_TAG*
    void* hCompletionPort,   // HANDLE optional
    size_t ulCompletionKey,   // UINT_PTR optional
    ptrdiff_t* phContentHandle   // INT_PTR* out
);

ccall((:PeerDistClientOpenContent, "PeerDist.dll"), stdcall, UInt32,
      (Int, Ptr{PEERDIST_CONTENT_TAG}, Ptr{Cvoid}, Csize_t, Ptr{Int}),
      hPeerDist, pContentTag, hCompletionPort, ulCompletionKey, phContentHandle)
# hPeerDist : INT_PTR -> Int
# pContentTag : PEERDIST_CONTENT_TAG* -> Ptr{PEERDIST_CONTENT_TAG}
# hCompletionPort : HANDLE optional -> Ptr{Cvoid}
# ulCompletionKey : UINT_PTR optional -> Csize_t
# phContentHandle : INT_PTR* out -> Ptr{Int}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t PeerDistClientOpenContent(
    intptr_t hPeerDist,
    void* pContentTag,
    void* hCompletionPort,
    uintptr_t ulCompletionKey,
    intptr_t* phContentHandle);
]]
local peerdist = ffi.load("peerdist")
-- peerdist.PeerDistClientOpenContent(hPeerDist, pContentTag, hCompletionPort, ulCompletionKey, phContentHandle)
-- hPeerDist : INT_PTR
-- pContentTag : PEERDIST_CONTENT_TAG*
-- hCompletionPort : HANDLE optional
-- ulCompletionKey : UINT_PTR optional
-- phContentHandle : INT_PTR* 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('PeerDist.dll');
const PeerDistClientOpenContent = lib.func('__stdcall', 'PeerDistClientOpenContent', 'uint32_t', ['intptr_t', 'void *', 'void *', 'uintptr_t', 'intptr_t *']);
// PeerDistClientOpenContent(hPeerDist, pContentTag, hCompletionPort, ulCompletionKey, phContentHandle)
// hPeerDist : INT_PTR -> 'intptr_t'
// pContentTag : PEERDIST_CONTENT_TAG* -> 'void *'
// hCompletionPort : HANDLE optional -> 'void *'
// ulCompletionKey : UINT_PTR optional -> 'uintptr_t'
// phContentHandle : INT_PTR* out -> 'intptr_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("PeerDist.dll", {
  PeerDistClientOpenContent: { parameters: ["isize", "pointer", "pointer", "usize", "pointer"], result: "u32" },
});
// lib.symbols.PeerDistClientOpenContent(hPeerDist, pContentTag, hCompletionPort, ulCompletionKey, phContentHandle)
// hPeerDist : INT_PTR -> "isize"
// pContentTag : PEERDIST_CONTENT_TAG* -> "pointer"
// hCompletionPort : HANDLE optional -> "pointer"
// ulCompletionKey : UINT_PTR optional -> "usize"
// phContentHandle : INT_PTR* 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
uint32_t PeerDistClientOpenContent(
    intptr_t hPeerDist,
    void* pContentTag,
    void* hCompletionPort,
    size_t ulCompletionKey,
    intptr_t* phContentHandle);
C, "PeerDist.dll");
// $ffi->PeerDistClientOpenContent(hPeerDist, pContentTag, hCompletionPort, ulCompletionKey, phContentHandle);
// hPeerDist : INT_PTR
// pContentTag : PEERDIST_CONTENT_TAG*
// hCompletionPort : HANDLE optional
// ulCompletionKey : UINT_PTR optional
// phContentHandle : INT_PTR* 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 Peerdist extends StdCallLibrary {
    Peerdist INSTANCE = Native.load("peerdist", Peerdist.class);
    int PeerDistClientOpenContent(
        long hPeerDist,   // INT_PTR
        Pointer pContentTag,   // PEERDIST_CONTENT_TAG*
        Pointer hCompletionPort,   // HANDLE optional
        long ulCompletionKey,   // UINT_PTR optional
        LongByReference phContentHandle   // INT_PTR* out
    );
}

@[Link("peerdist")]
lib LibPeerDist
  fun PeerDistClientOpenContent = PeerDistClientOpenContent(
    hPeerDist : LibC::SSizeT,   # INT_PTR
    pContentTag : PEERDIST_CONTENT_TAG*,   # PEERDIST_CONTENT_TAG*
    hCompletionPort : Void*,   # HANDLE optional
    ulCompletionKey : LibC::SizeT,   # UINT_PTR optional
    phContentHandle : LibC::SSizeT*   # INT_PTR* out
  ) : 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 PeerDistClientOpenContentNative = Uint32 Function(IntPtr, Pointer<Void>, Pointer<Void>, UintPtr, Pointer<IntPtr>);
typedef PeerDistClientOpenContentDart = int Function(int, Pointer<Void>, Pointer<Void>, int, Pointer<IntPtr>);
final PeerDistClientOpenContent = DynamicLibrary.open('PeerDist.dll')
    .lookupFunction<PeerDistClientOpenContentNative, PeerDistClientOpenContentDart>('PeerDistClientOpenContent');
// hPeerDist : INT_PTR -> IntPtr
// pContentTag : PEERDIST_CONTENT_TAG* -> Pointer<Void>
// hCompletionPort : HANDLE optional -> Pointer<Void>
// ulCompletionKey : UINT_PTR optional -> UintPtr
// phContentHandle : INT_PTR* out -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PeerDistClientOpenContent(
  hPeerDist: NativeInt;   // INT_PTR
  pContentTag: Pointer;   // PEERDIST_CONTENT_TAG*
  hCompletionPort: THandle;   // HANDLE optional
  ulCompletionKey: NativeUInt;   // UINT_PTR optional
  phContentHandle: Pointer   // INT_PTR* out
): DWORD; stdcall;
  external 'PeerDist.dll' name 'PeerDistClientOpenContent';

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

foreign import stdcall safe "PeerDistClientOpenContent"
  c_PeerDistClientOpenContent :: CIntPtr -> Ptr () -> Ptr () -> CUIntPtr -> Ptr CIntPtr -> IO Word32
-- hPeerDist : INT_PTR -> CIntPtr
-- pContentTag : PEERDIST_CONTENT_TAG* -> Ptr ()
-- hCompletionPort : HANDLE optional -> Ptr ()
-- ulCompletionKey : UINT_PTR optional -> CUIntPtr
-- phContentHandle : INT_PTR* out -> Ptr CIntPtr
-- 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 peerdistclientopencontent =
  foreign "PeerDistClientOpenContent"
    (intptr_t @-> (ptr void) @-> (ptr void) @-> size_t @-> (ptr intptr_t) @-> returning uint32_t)
(* hPeerDist : INT_PTR -> intptr_t *)
(* pContentTag : PEERDIST_CONTENT_TAG* -> (ptr void) *)
(* hCompletionPort : HANDLE optional -> (ptr void) *)
(* ulCompletionKey : UINT_PTR optional -> size_t *)
(* phContentHandle : INT_PTR* out -> (ptr intptr_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 peerdist (t "PeerDist.dll"))
(cffi:use-foreign-library peerdist)

(cffi:defcfun ("PeerDistClientOpenContent" peer-dist-client-open-content :convention :stdcall) :uint32
  (h-peer-dist :int64)   ; INT_PTR
  (p-content-tag :pointer)   ; PEERDIST_CONTENT_TAG*
  (h-completion-port :pointer)   ; HANDLE optional
  (ul-completion-key :uint64)   ; UINT_PTR optional
  (ph-content-handle :pointer))   ; INT_PTR* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PeerDistClientOpenContent = Win32::API::More->new('PeerDist',
    'DWORD PeerDistClientOpenContent(LPARAM hPeerDist, LPVOID pContentTag, HANDLE hCompletionPort, WPARAM ulCompletionKey, LPVOID phContentHandle)');
# my $ret = $PeerDistClientOpenContent->Call($hPeerDist, $pContentTag, $hCompletionPort, $ulCompletionKey, $phContentHandle);
# hPeerDist : INT_PTR -> LPARAM
# pContentTag : PEERDIST_CONTENT_TAG* -> LPVOID
# hCompletionPort : HANDLE optional -> HANDLE
# ulCompletionKey : UINT_PTR optional -> WPARAM
# phContentHandle : INT_PTR* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。