WsGetCustomHeader

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

HRESULT WsGetCustomHeader(
    WS_MESSAGE* message,
    const WS_ELEMENT_DESCRIPTION* customHeaderDescription,
    WS_REPEATING_HEADER_OPTION repeatingOption,
    DWORD headerIndex,
    WS_READ_OPTION readOption,
    WS_HEAP* heap,   // optional
    void* value,
    DWORD valueSize,
    DWORD* headerAttributes,   // optional
    WS_ERROR* error   // optional
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsGetCustomHeader(
    ByRef message As IntPtr,   ' WS_MESSAGE*
    customHeaderDescription As IntPtr,   ' WS_ELEMENT_DESCRIPTION*
    repeatingOption As Integer,   ' WS_REPEATING_HEADER_OPTION
    headerIndex As UInteger,   ' DWORD
    readOption As Integer,   ' WS_READ_OPTION
    heap As IntPtr,   ' WS_HEAP* optional
    value As IntPtr,   ' void* out
    valueSize As UInteger,   ' DWORD
    headerAttributes As IntPtr,   ' DWORD* optional, out
    [error] As IntPtr   ' WS_ERROR* optional
) As Integer
End Function

' message : WS_MESSAGE*
' customHeaderDescription : WS_ELEMENT_DESCRIPTION*
' repeatingOption : WS_REPEATING_HEADER_OPTION
' headerIndex : DWORD
' readOption : WS_READ_OPTION
' heap : WS_HEAP* optional
' value : void* out
' valueSize : DWORD
' headerAttributes : DWORD* optional, out
' error : WS_ERROR* optional
Declare PtrSafe Function WsGetCustomHeader Lib "webservices" ( _
    ByRef message As LongPtr, _
    ByVal customHeaderDescription As LongPtr, _
    ByVal repeatingOption As Long, _
    ByVal headerIndex As Long, _
    ByVal readOption As Long, _
    ByVal heap As LongPtr, _
    ByVal value As LongPtr, _
    ByVal valueSize As Long, _
    ByVal headerAttributes As LongPtr, _
    ByVal error 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

WsGetCustomHeader = ctypes.windll.webservices.WsGetCustomHeader
WsGetCustomHeader.restype = ctypes.c_int
WsGetCustomHeader.argtypes = [
    ctypes.c_void_p,  # message : WS_MESSAGE*
    ctypes.c_void_p,  # customHeaderDescription : WS_ELEMENT_DESCRIPTION*
    ctypes.c_int,  # repeatingOption : WS_REPEATING_HEADER_OPTION
    wintypes.DWORD,  # headerIndex : DWORD
    ctypes.c_int,  # readOption : WS_READ_OPTION
    ctypes.c_void_p,  # heap : WS_HEAP* optional
    ctypes.POINTER(None),  # value : void* out
    wintypes.DWORD,  # valueSize : DWORD
    ctypes.POINTER(wintypes.DWORD),  # headerAttributes : DWORD* optional, out
    ctypes.c_void_p,  # error : WS_ERROR* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsGetCustomHeader = Fiddle::Function.new(
  lib['WsGetCustomHeader'],
  [
    Fiddle::TYPE_VOIDP,  # message : WS_MESSAGE*
    Fiddle::TYPE_VOIDP,  # customHeaderDescription : WS_ELEMENT_DESCRIPTION*
    Fiddle::TYPE_INT,  # repeatingOption : WS_REPEATING_HEADER_OPTION
    -Fiddle::TYPE_INT,  # headerIndex : DWORD
    Fiddle::TYPE_INT,  # readOption : WS_READ_OPTION
    Fiddle::TYPE_VOIDP,  # heap : WS_HEAP* optional
    Fiddle::TYPE_VOIDP,  # value : void* out
    -Fiddle::TYPE_INT,  # valueSize : DWORD
    Fiddle::TYPE_VOIDP,  # headerAttributes : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # error : WS_ERROR* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "webservices")]
extern "system" {
    fn WsGetCustomHeader(
        message: *mut isize,  // WS_MESSAGE*
        customHeaderDescription: *const WS_ELEMENT_DESCRIPTION,  // WS_ELEMENT_DESCRIPTION*
        repeatingOption: i32,  // WS_REPEATING_HEADER_OPTION
        headerIndex: u32,  // DWORD
        readOption: i32,  // WS_READ_OPTION
        heap: *mut isize,  // WS_HEAP* optional
        value: *mut (),  // void* out
        valueSize: u32,  // DWORD
        headerAttributes: *mut u32,  // DWORD* optional, out
        error: *mut isize  // WS_ERROR* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("webservices.dll")]
public static extern int WsGetCustomHeader(ref IntPtr message, IntPtr customHeaderDescription, int repeatingOption, uint headerIndex, int readOption, IntPtr heap, IntPtr value, uint valueSize, IntPtr headerAttributes, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsGetCustomHeader' -Namespace Win32 -PassThru
# $api::WsGetCustomHeader(message, customHeaderDescription, repeatingOption, headerIndex, readOption, heap, value, valueSize, headerAttributes, error)

#uselib "webservices.dll"
#func global WsGetCustomHeader "WsGetCustomHeader" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WsGetCustomHeader varptr(message), varptr(customHeaderDescription), repeatingOption, headerIndex, readOption, varptr(heap), value, valueSize, varptr(headerAttributes), varptr(error)   ; 戻り値は stat
; message : WS_MESSAGE* -> "sptr"
; customHeaderDescription : WS_ELEMENT_DESCRIPTION* -> "sptr"
; repeatingOption : WS_REPEATING_HEADER_OPTION -> "sptr"
; headerIndex : DWORD -> "sptr"
; readOption : WS_READ_OPTION -> "sptr"
; heap : WS_HEAP* optional -> "sptr"
; value : void* out -> "sptr"
; valueSize : DWORD -> "sptr"
; headerAttributes : DWORD* optional, out -> "sptr"
; error : WS_ERROR* optional -> "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 (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsGetCustomHeader = webservices.NewProc("WsGetCustomHeader")
)

// message (WS_MESSAGE*), customHeaderDescription (WS_ELEMENT_DESCRIPTION*), repeatingOption (WS_REPEATING_HEADER_OPTION), headerIndex (DWORD), readOption (WS_READ_OPTION), heap (WS_HEAP* optional), value (void* out), valueSize (DWORD), headerAttributes (DWORD* optional, out), error (WS_ERROR* optional)
r1, _, err := procWsGetCustomHeader.Call(
	uintptr(message),
	uintptr(customHeaderDescription),
	uintptr(repeatingOption),
	uintptr(headerIndex),
	uintptr(readOption),
	uintptr(heap),
	uintptr(value),
	uintptr(valueSize),
	uintptr(headerAttributes),
	uintptr(error),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WsGetCustomHeader(
  message: Pointer;   // WS_MESSAGE*
  customHeaderDescription: Pointer;   // WS_ELEMENT_DESCRIPTION*
  repeatingOption: Integer;   // WS_REPEATING_HEADER_OPTION
  headerIndex: DWORD;   // DWORD
  readOption: Integer;   // WS_READ_OPTION
  heap: Pointer;   // WS_HEAP* optional
  value: Pointer;   // void* out
  valueSize: DWORD;   // DWORD
  headerAttributes: Pointer;   // DWORD* optional, out
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsGetCustomHeader';

result := DllCall("webservices\WsGetCustomHeader"
    , "Ptr", message   ; WS_MESSAGE*
    , "Ptr", customHeaderDescription   ; WS_ELEMENT_DESCRIPTION*
    , "Int", repeatingOption   ; WS_REPEATING_HEADER_OPTION
    , "UInt", headerIndex   ; DWORD
    , "Int", readOption   ; WS_READ_OPTION
    , "Ptr", heap   ; WS_HEAP* optional
    , "Ptr", value   ; void* out
    , "UInt", valueSize   ; DWORD
    , "Ptr", headerAttributes   ; DWORD* optional, out
    , "Ptr", error   ; WS_ERROR* optional
    , "Int")   ; return: HRESULT

●WsGetCustomHeader(message, customHeaderDescription, repeatingOption, headerIndex, readOption, heap, value, valueSize, headerAttributes, error) = DLL("webservices.dll", "int WsGetCustomHeader(void*, void*, int, dword, int, void*, void*, dword, void*, void*)")
# 呼び出し: WsGetCustomHeader(message, customHeaderDescription, repeatingOption, headerIndex, readOption, heap, value, valueSize, headerAttributes, error)
# message : WS_MESSAGE* -> "void*"
# customHeaderDescription : WS_ELEMENT_DESCRIPTION* -> "void*"
# repeatingOption : WS_REPEATING_HEADER_OPTION -> "int"
# headerIndex : DWORD -> "dword"
# readOption : WS_READ_OPTION -> "int"
# heap : WS_HEAP* optional -> "void*"
# value : void* out -> "void*"
# valueSize : DWORD -> "dword"
# headerAttributes : DWORD* optional, out -> "void*"
# error : WS_ERROR* optional -> "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 "webservices" fn WsGetCustomHeader(
    message: [*c]isize, // WS_MESSAGE*
    customHeaderDescription: [*c]WS_ELEMENT_DESCRIPTION, // WS_ELEMENT_DESCRIPTION*
    repeatingOption: i32, // WS_REPEATING_HEADER_OPTION
    headerIndex: u32, // DWORD
    readOption: i32, // WS_READ_OPTION
    heap: [*c]isize, // WS_HEAP* optional
    value: ?*anyopaque, // void* out
    valueSize: u32, // DWORD
    headerAttributes: [*c]u32, // DWORD* optional, out
    error: [*c]isize // WS_ERROR* optional
) callconv(std.os.windows.WINAPI) i32;

proc WsGetCustomHeader(
    message: ptr int,  # WS_MESSAGE*
    customHeaderDescription: ptr WS_ELEMENT_DESCRIPTION,  # WS_ELEMENT_DESCRIPTION*
    repeatingOption: int32,  # WS_REPEATING_HEADER_OPTION
    headerIndex: uint32,  # DWORD
    readOption: int32,  # WS_READ_OPTION
    heap: ptr int,  # WS_HEAP* optional
    value: pointer,  # void* out
    valueSize: uint32,  # DWORD
    headerAttributes: ptr uint32,  # DWORD* optional, out
    error: ptr int  # WS_ERROR* optional
): int32 {.importc: "WsGetCustomHeader", stdcall, dynlib: "webservices.dll".}

pragma(lib, "webservices");
extern(Windows)
int WsGetCustomHeader(
    ptrdiff_t* message,   // WS_MESSAGE*
    WS_ELEMENT_DESCRIPTION* customHeaderDescription,   // WS_ELEMENT_DESCRIPTION*
    int repeatingOption,   // WS_REPEATING_HEADER_OPTION
    uint headerIndex,   // DWORD
    int readOption,   // WS_READ_OPTION
    ptrdiff_t* heap,   // WS_HEAP* optional
    void* value,   // void* out
    uint valueSize,   // DWORD
    uint* headerAttributes,   // DWORD* optional, out
    ptrdiff_t* error   // WS_ERROR* optional
);

ccall((:WsGetCustomHeader, "webservices.dll"), stdcall, Int32,
      (Ptr{Int}, Ptr{WS_ELEMENT_DESCRIPTION}, Int32, UInt32, Int32, Ptr{Int}, Ptr{Cvoid}, UInt32, Ptr{UInt32}, Ptr{Int}),
      message, customHeaderDescription, repeatingOption, headerIndex, readOption, heap, value, valueSize, headerAttributes, error)
# message : WS_MESSAGE* -> Ptr{Int}
# customHeaderDescription : WS_ELEMENT_DESCRIPTION* -> Ptr{WS_ELEMENT_DESCRIPTION}
# repeatingOption : WS_REPEATING_HEADER_OPTION -> Int32
# headerIndex : DWORD -> UInt32
# readOption : WS_READ_OPTION -> Int32
# heap : WS_HEAP* optional -> Ptr{Int}
# value : void* out -> Ptr{Cvoid}
# valueSize : DWORD -> UInt32
# headerAttributes : DWORD* optional, out -> Ptr{UInt32}
# error : WS_ERROR* optional -> Ptr{Int}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WsGetCustomHeader(
    intptr_t* message,
    void* customHeaderDescription,
    int32_t repeatingOption,
    uint32_t headerIndex,
    int32_t readOption,
    intptr_t* heap,
    void* value,
    uint32_t valueSize,
    uint32_t* headerAttributes,
    intptr_t* error);
]]
local webservices = ffi.load("webservices")
-- webservices.WsGetCustomHeader(message, customHeaderDescription, repeatingOption, headerIndex, readOption, heap, value, valueSize, headerAttributes, error)
-- message : WS_MESSAGE*
-- customHeaderDescription : WS_ELEMENT_DESCRIPTION*
-- repeatingOption : WS_REPEATING_HEADER_OPTION
-- headerIndex : DWORD
-- readOption : WS_READ_OPTION
-- heap : WS_HEAP* optional
-- value : void* out
-- valueSize : DWORD
-- headerAttributes : DWORD* optional, out
-- error : WS_ERROR* optional
-- 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('webservices.dll');
const WsGetCustomHeader = lib.func('__stdcall', 'WsGetCustomHeader', 'int32_t', ['intptr_t *', 'void *', 'int32_t', 'uint32_t', 'int32_t', 'intptr_t *', 'void *', 'uint32_t', 'uint32_t *', 'intptr_t *']);
// WsGetCustomHeader(message, customHeaderDescription, repeatingOption, headerIndex, readOption, heap, value, valueSize, headerAttributes, error)
// message : WS_MESSAGE* -> 'intptr_t *'
// customHeaderDescription : WS_ELEMENT_DESCRIPTION* -> 'void *'
// repeatingOption : WS_REPEATING_HEADER_OPTION -> 'int32_t'
// headerIndex : DWORD -> 'uint32_t'
// readOption : WS_READ_OPTION -> 'int32_t'
// heap : WS_HEAP* optional -> 'intptr_t *'
// value : void* out -> 'void *'
// valueSize : DWORD -> 'uint32_t'
// headerAttributes : DWORD* optional, out -> 'uint32_t *'
// error : WS_ERROR* optional -> '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("webservices.dll", {
  WsGetCustomHeader: { parameters: ["pointer", "pointer", "i32", "u32", "i32", "pointer", "pointer", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.WsGetCustomHeader(message, customHeaderDescription, repeatingOption, headerIndex, readOption, heap, value, valueSize, headerAttributes, error)
// message : WS_MESSAGE* -> "pointer"
// customHeaderDescription : WS_ELEMENT_DESCRIPTION* -> "pointer"
// repeatingOption : WS_REPEATING_HEADER_OPTION -> "i32"
// headerIndex : DWORD -> "u32"
// readOption : WS_READ_OPTION -> "i32"
// heap : WS_HEAP* optional -> "pointer"
// value : void* out -> "pointer"
// valueSize : DWORD -> "u32"
// headerAttributes : DWORD* optional, out -> "pointer"
// error : WS_ERROR* optional -> "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 WsGetCustomHeader(
    intptr_t* message,
    void* customHeaderDescription,
    int32_t repeatingOption,
    uint32_t headerIndex,
    int32_t readOption,
    intptr_t* heap,
    void* value,
    uint32_t valueSize,
    uint32_t* headerAttributes,
    intptr_t* error);
C, "webservices.dll");
// $ffi->WsGetCustomHeader(message, customHeaderDescription, repeatingOption, headerIndex, readOption, heap, value, valueSize, headerAttributes, error);
// message : WS_MESSAGE*
// customHeaderDescription : WS_ELEMENT_DESCRIPTION*
// repeatingOption : WS_REPEATING_HEADER_OPTION
// headerIndex : DWORD
// readOption : WS_READ_OPTION
// heap : WS_HEAP* optional
// value : void* out
// valueSize : DWORD
// headerAttributes : DWORD* optional, out
// error : WS_ERROR* optional
// 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 Webservices extends StdCallLibrary {
    Webservices INSTANCE = Native.load("webservices", Webservices.class);
    int WsGetCustomHeader(
        LongByReference message,   // WS_MESSAGE*
        Pointer customHeaderDescription,   // WS_ELEMENT_DESCRIPTION*
        int repeatingOption,   // WS_REPEATING_HEADER_OPTION
        int headerIndex,   // DWORD
        int readOption,   // WS_READ_OPTION
        LongByReference heap,   // WS_HEAP* optional
        Pointer value,   // void* out
        int valueSize,   // DWORD
        IntByReference headerAttributes,   // DWORD* optional, out
        LongByReference error   // WS_ERROR* optional
    );
}

@[Link("webservices")]
lib Libwebservices
  fun WsGetCustomHeader = WsGetCustomHeader(
    message : LibC::SSizeT*,   # WS_MESSAGE*
    customHeaderDescription : WS_ELEMENT_DESCRIPTION*,   # WS_ELEMENT_DESCRIPTION*
    repeatingOption : Int32,   # WS_REPEATING_HEADER_OPTION
    headerIndex : UInt32,   # DWORD
    readOption : Int32,   # WS_READ_OPTION
    heap : LibC::SSizeT*,   # WS_HEAP* optional
    value : Void*,   # void* out
    valueSize : UInt32,   # DWORD
    headerAttributes : UInt32*,   # DWORD* optional, out
    error : LibC::SSizeT*   # WS_ERROR* optional
  ) : 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 WsGetCustomHeaderNative = Int32 Function(Pointer<IntPtr>, Pointer<Void>, Int32, Uint32, Int32, Pointer<IntPtr>, Pointer<Void>, Uint32, Pointer<Uint32>, Pointer<IntPtr>);
typedef WsGetCustomHeaderDart = int Function(Pointer<IntPtr>, Pointer<Void>, int, int, int, Pointer<IntPtr>, Pointer<Void>, int, Pointer<Uint32>, Pointer<IntPtr>);
final WsGetCustomHeader = DynamicLibrary.open('webservices.dll')
    .lookupFunction<WsGetCustomHeaderNative, WsGetCustomHeaderDart>('WsGetCustomHeader');
// message : WS_MESSAGE* -> Pointer<IntPtr>
// customHeaderDescription : WS_ELEMENT_DESCRIPTION* -> Pointer<Void>
// repeatingOption : WS_REPEATING_HEADER_OPTION -> Int32
// headerIndex : DWORD -> Uint32
// readOption : WS_READ_OPTION -> Int32
// heap : WS_HEAP* optional -> Pointer<IntPtr>
// value : void* out -> Pointer<Void>
// valueSize : DWORD -> Uint32
// headerAttributes : DWORD* optional, out -> Pointer<Uint32>
// error : WS_ERROR* optional -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WsGetCustomHeader(
  message: Pointer;   // WS_MESSAGE*
  customHeaderDescription: Pointer;   // WS_ELEMENT_DESCRIPTION*
  repeatingOption: Integer;   // WS_REPEATING_HEADER_OPTION
  headerIndex: DWORD;   // DWORD
  readOption: Integer;   // WS_READ_OPTION
  heap: Pointer;   // WS_HEAP* optional
  value: Pointer;   // void* out
  valueSize: DWORD;   // DWORD
  headerAttributes: Pointer;   // DWORD* optional, out
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsGetCustomHeader';

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

foreign import stdcall safe "WsGetCustomHeader"
  c_WsGetCustomHeader :: Ptr CIntPtr -> Ptr () -> Int32 -> Word32 -> Int32 -> Ptr CIntPtr -> Ptr () -> Word32 -> Ptr Word32 -> Ptr CIntPtr -> IO Int32
-- message : WS_MESSAGE* -> Ptr CIntPtr
-- customHeaderDescription : WS_ELEMENT_DESCRIPTION* -> Ptr ()
-- repeatingOption : WS_REPEATING_HEADER_OPTION -> Int32
-- headerIndex : DWORD -> Word32
-- readOption : WS_READ_OPTION -> Int32
-- heap : WS_HEAP* optional -> Ptr CIntPtr
-- value : void* out -> Ptr ()
-- valueSize : DWORD -> Word32
-- headerAttributes : DWORD* optional, out -> Ptr Word32
-- error : WS_ERROR* optional -> 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 wsgetcustomheader =
  foreign "WsGetCustomHeader"
    ((ptr intptr_t) @-> (ptr void) @-> int32_t @-> uint32_t @-> int32_t @-> (ptr intptr_t) @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> (ptr intptr_t) @-> returning int32_t)
(* message : WS_MESSAGE* -> (ptr intptr_t) *)
(* customHeaderDescription : WS_ELEMENT_DESCRIPTION* -> (ptr void) *)
(* repeatingOption : WS_REPEATING_HEADER_OPTION -> int32_t *)
(* headerIndex : DWORD -> uint32_t *)
(* readOption : WS_READ_OPTION -> int32_t *)
(* heap : WS_HEAP* optional -> (ptr intptr_t) *)
(* value : void* out -> (ptr void) *)
(* valueSize : DWORD -> uint32_t *)
(* headerAttributes : DWORD* optional, out -> (ptr uint32_t) *)
(* error : WS_ERROR* optional -> (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 webservices (t "webservices.dll"))
(cffi:use-foreign-library webservices)

(cffi:defcfun ("WsGetCustomHeader" ws-get-custom-header :convention :stdcall) :int32
  (message :pointer)   ; WS_MESSAGE*
  (custom-header-description :pointer)   ; WS_ELEMENT_DESCRIPTION*
  (repeating-option :int32)   ; WS_REPEATING_HEADER_OPTION
  (header-index :uint32)   ; DWORD
  (read-option :int32)   ; WS_READ_OPTION
  (heap :pointer)   ; WS_HEAP* optional
  (value :pointer)   ; void* out
  (value-size :uint32)   ; DWORD
  (header-attributes :pointer)   ; DWORD* optional, out
  (error :pointer))   ; WS_ERROR* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WsGetCustomHeader = Win32::API::More->new('webservices',
    'int WsGetCustomHeader(LPVOID message, LPVOID customHeaderDescription, int repeatingOption, DWORD headerIndex, int readOption, LPVOID heap, LPVOID value, DWORD valueSize, LPVOID headerAttributes, LPVOID error)');
# my $ret = $WsGetCustomHeader->Call($message, $customHeaderDescription, $repeatingOption, $headerIndex, $readOption, $heap, $value, $valueSize, $headerAttributes, $error);
# message : WS_MESSAGE* -> LPVOID
# customHeaderDescription : WS_ELEMENT_DESCRIPTION* -> LPVOID
# repeatingOption : WS_REPEATING_HEADER_OPTION -> int
# headerIndex : DWORD -> DWORD
# readOption : WS_READ_OPTION -> int
# heap : WS_HEAP* optional -> LPVOID
# value : void* out -> LPVOID
# valueSize : DWORD -> DWORD
# headerAttributes : DWORD* optional, out -> LPVOID
# error : WS_ERROR* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。