WsReadStartAttribute

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

HRESULT WsReadStartAttribute(
    WS_XML_READER* reader,
    DWORD attributeIndex,
    WS_ERROR* error   // optional
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsReadStartAttribute(
    ByRef reader As IntPtr,   ' WS_XML_READER*
    attributeIndex As UInteger,   ' DWORD
    [error] As IntPtr   ' WS_ERROR* optional
) As Integer
End Function

' reader : WS_XML_READER*
' attributeIndex : DWORD
' error : WS_ERROR* optional
Declare PtrSafe Function WsReadStartAttribute Lib "webservices" ( _
    ByRef reader As LongPtr, _
    ByVal attributeIndex As Long, _
    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

WsReadStartAttribute = ctypes.windll.webservices.WsReadStartAttribute
WsReadStartAttribute.restype = ctypes.c_int
WsReadStartAttribute.argtypes = [
    ctypes.c_void_p,  # reader : WS_XML_READER*
    wintypes.DWORD,  # attributeIndex : DWORD
    ctypes.c_void_p,  # error : WS_ERROR* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsReadStartAttribute = Fiddle::Function.new(
  lib['WsReadStartAttribute'],
  [
    Fiddle::TYPE_VOIDP,  # reader : WS_XML_READER*
    -Fiddle::TYPE_INT,  # attributeIndex : DWORD
    Fiddle::TYPE_VOIDP,  # error : WS_ERROR* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "webservices")]
extern "system" {
    fn WsReadStartAttribute(
        reader: *mut isize,  // WS_XML_READER*
        attributeIndex: u32,  // DWORD
        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 WsReadStartAttribute(ref IntPtr reader, uint attributeIndex, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsReadStartAttribute' -Namespace Win32 -PassThru
# $api::WsReadStartAttribute(reader, attributeIndex, error)

#uselib "webservices.dll"
#func global WsReadStartAttribute "WsReadStartAttribute" sptr, sptr, sptr
; WsReadStartAttribute varptr(reader), attributeIndex, varptr(error)   ; 戻り値は stat
; reader : WS_XML_READER* -> "sptr"
; attributeIndex : DWORD -> "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")
	procWsReadStartAttribute = webservices.NewProc("WsReadStartAttribute")
)

// reader (WS_XML_READER*), attributeIndex (DWORD), error (WS_ERROR* optional)
r1, _, err := procWsReadStartAttribute.Call(
	uintptr(reader),
	uintptr(attributeIndex),
	uintptr(error),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WsReadStartAttribute(
  reader: Pointer;   // WS_XML_READER*
  attributeIndex: DWORD;   // DWORD
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsReadStartAttribute';

result := DllCall("webservices\WsReadStartAttribute"
    , "Ptr", reader   ; WS_XML_READER*
    , "UInt", attributeIndex   ; DWORD
    , "Ptr", error   ; WS_ERROR* optional
    , "Int")   ; return: HRESULT

●WsReadStartAttribute(reader, attributeIndex, error) = DLL("webservices.dll", "int WsReadStartAttribute(void*, dword, void*)")
# 呼び出し: WsReadStartAttribute(reader, attributeIndex, error)
# reader : WS_XML_READER* -> "void*"
# attributeIndex : DWORD -> "dword"
# 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 WsReadStartAttribute(
    reader: [*c]isize, // WS_XML_READER*
    attributeIndex: u32, // DWORD
    error: [*c]isize // WS_ERROR* optional
) callconv(std.os.windows.WINAPI) i32;

proc WsReadStartAttribute(
    reader: ptr int,  # WS_XML_READER*
    attributeIndex: uint32,  # DWORD
    error: ptr int  # WS_ERROR* optional
): int32 {.importc: "WsReadStartAttribute", stdcall, dynlib: "webservices.dll".}

pragma(lib, "webservices");
extern(Windows)
int WsReadStartAttribute(
    ptrdiff_t* reader,   // WS_XML_READER*
    uint attributeIndex,   // DWORD
    ptrdiff_t* error   // WS_ERROR* optional
);

ccall((:WsReadStartAttribute, "webservices.dll"), stdcall, Int32,
      (Ptr{Int}, UInt32, Ptr{Int}),
      reader, attributeIndex, error)
# reader : WS_XML_READER* -> Ptr{Int}
# attributeIndex : DWORD -> 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 WsReadStartAttribute(
    intptr_t* reader,
    uint32_t attributeIndex,
    intptr_t* error);
]]
local webservices = ffi.load("webservices")
-- webservices.WsReadStartAttribute(reader, attributeIndex, error)
-- reader : WS_XML_READER*
-- attributeIndex : DWORD
-- 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 WsReadStartAttribute = lib.func('__stdcall', 'WsReadStartAttribute', 'int32_t', ['intptr_t *', 'uint32_t', 'intptr_t *']);
// WsReadStartAttribute(reader, attributeIndex, error)
// reader : WS_XML_READER* -> 'intptr_t *'
// attributeIndex : DWORD -> '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", {
  WsReadStartAttribute: { parameters: ["pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.WsReadStartAttribute(reader, attributeIndex, error)
// reader : WS_XML_READER* -> "pointer"
// attributeIndex : DWORD -> "u32"
// 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 WsReadStartAttribute(
    intptr_t* reader,
    uint32_t attributeIndex,
    intptr_t* error);
C, "webservices.dll");
// $ffi->WsReadStartAttribute(reader, attributeIndex, error);
// reader : WS_XML_READER*
// attributeIndex : DWORD
// 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 WsReadStartAttribute(
        LongByReference reader,   // WS_XML_READER*
        int attributeIndex,   // DWORD
        LongByReference error   // WS_ERROR* optional
    );
}

@[Link("webservices")]
lib Libwebservices
  fun WsReadStartAttribute = WsReadStartAttribute(
    reader : LibC::SSizeT*,   # WS_XML_READER*
    attributeIndex : UInt32,   # DWORD
    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 WsReadStartAttributeNative = Int32 Function(Pointer<IntPtr>, Uint32, Pointer<IntPtr>);
typedef WsReadStartAttributeDart = int Function(Pointer<IntPtr>, int, Pointer<IntPtr>);
final WsReadStartAttribute = DynamicLibrary.open('webservices.dll')
    .lookupFunction<WsReadStartAttributeNative, WsReadStartAttributeDart>('WsReadStartAttribute');
// reader : WS_XML_READER* -> Pointer<IntPtr>
// attributeIndex : DWORD -> Uint32
// error : WS_ERROR* optional -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WsReadStartAttribute(
  reader: Pointer;   // WS_XML_READER*
  attributeIndex: DWORD;   // DWORD
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsReadStartAttribute';

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

foreign import stdcall safe "WsReadStartAttribute"
  c_WsReadStartAttribute :: Ptr CIntPtr -> Word32 -> Ptr CIntPtr -> IO Int32
-- reader : WS_XML_READER* -> Ptr CIntPtr
-- attributeIndex : DWORD -> 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 wsreadstartattribute =
  foreign "WsReadStartAttribute"
    ((ptr intptr_t) @-> uint32_t @-> (ptr intptr_t) @-> returning int32_t)
(* reader : WS_XML_READER* -> (ptr intptr_t) *)
(* attributeIndex : DWORD -> 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 ("WsReadStartAttribute" ws-read-start-attribute :convention :stdcall) :int32
  (reader :pointer)   ; WS_XML_READER*
  (attribute-index :uint32)   ; DWORD
  (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 $WsReadStartAttribute = Win32::API::More->new('webservices',
    'int WsReadStartAttribute(LPVOID reader, DWORD attributeIndex, LPVOID error)');
# my $ret = $WsReadStartAttribute->Call($reader, $attributeIndex, $error);
# reader : WS_XML_READER* -> LPVOID
# attributeIndex : DWORD -> DWORD
# 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。