WsFreeWriter

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

void WsFreeWriter(
    WS_XML_WRITER* writer
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Sub WsFreeWriter(
    ByRef writer As IntPtr   ' WS_XML_WRITER*
)
End Sub

' writer : WS_XML_WRITER*
Declare PtrSafe Sub WsFreeWriter Lib "webservices" ( _
    ByRef writer As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WsFreeWriter = ctypes.windll.webservices.WsFreeWriter
WsFreeWriter.restype = None
WsFreeWriter.argtypes = [
    ctypes.c_void_p,  # writer : WS_XML_WRITER*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsFreeWriter = Fiddle::Function.new(
  lib['WsFreeWriter'],
  [
    Fiddle::TYPE_VOIDP,  # writer : WS_XML_WRITER*
  ],
  Fiddle::TYPE_VOID)

#[link(name = "webservices")]
extern "system" {
    fn WsFreeWriter(
        writer: *mut isize  // WS_XML_WRITER*
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("webservices.dll")]
public static extern void WsFreeWriter(ref IntPtr writer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsFreeWriter' -Namespace Win32 -PassThru
# $api::WsFreeWriter(writer)

#uselib "webservices.dll"
#func global WsFreeWriter "WsFreeWriter" sptr
; WsFreeWriter varptr(writer)
; writer : WS_XML_WRITER* -> "sptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsFreeWriter = webservices.NewProc("WsFreeWriter")
)

// writer (WS_XML_WRITER*)
r1, _, err := procWsFreeWriter.Call(
	uintptr(writer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure WsFreeWriter(
  writer: Pointer   // WS_XML_WRITER*
); stdcall;
  external 'webservices.dll' name 'WsFreeWriter';

result := DllCall("webservices\WsFreeWriter"
    , "Ptr", writer   ; WS_XML_WRITER*
    , "Int")   ; return: void

●WsFreeWriter(writer) = DLL("webservices.dll", "int WsFreeWriter(void*)")
# 呼び出し: WsFreeWriter(writer)
# writer : WS_XML_WRITER* -> "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 WsFreeWriter(
    writer: [*c]isize // WS_XML_WRITER*
) callconv(std.os.windows.WINAPI) void;

proc WsFreeWriter(
    writer: ptr int  # WS_XML_WRITER*
) {.importc: "WsFreeWriter", stdcall, dynlib: "webservices.dll".}

pragma(lib, "webservices");
extern(Windows)
void WsFreeWriter(
    ptrdiff_t* writer   // WS_XML_WRITER*
);

ccall((:WsFreeWriter, "webservices.dll"), stdcall, Cvoid,
      (Ptr{Int},),
      writer)
# writer : WS_XML_WRITER* -> Ptr{Int}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void WsFreeWriter(
    intptr_t* writer);
]]
local webservices = ffi.load("webservices")
-- webservices.WsFreeWriter(writer)
-- writer : WS_XML_WRITER*
-- 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 WsFreeWriter = lib.func('__stdcall', 'WsFreeWriter', 'void', ['intptr_t *']);
// WsFreeWriter(writer)
// writer : WS_XML_WRITER* -> '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", {
  WsFreeWriter: { parameters: ["pointer"], result: "void" },
});
// lib.symbols.WsFreeWriter(writer)
// writer : WS_XML_WRITER* -> "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
void WsFreeWriter(
    intptr_t* writer);
C, "webservices.dll");
// $ffi->WsFreeWriter(writer);
// writer : WS_XML_WRITER*
// 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);
    void WsFreeWriter(
        LongByReference writer   // WS_XML_WRITER*
    );
}

@[Link("webservices")]
lib Libwebservices
  fun WsFreeWriter = WsFreeWriter(
    writer : LibC::SSizeT*   # WS_XML_WRITER*
  ) : Void
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 WsFreeWriterNative = Void Function(Pointer<IntPtr>);
typedef WsFreeWriterDart = void Function(Pointer<IntPtr>);
final WsFreeWriter = DynamicLibrary.open('webservices.dll')
    .lookupFunction<WsFreeWriterNative, WsFreeWriterDart>('WsFreeWriter');
// writer : WS_XML_WRITER* -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure WsFreeWriter(
  writer: Pointer   // WS_XML_WRITER*
); stdcall;
  external 'webservices.dll' name 'WsFreeWriter';

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

foreign import stdcall safe "WsFreeWriter"
  c_WsFreeWriter :: Ptr CIntPtr -> IO ()
-- writer : WS_XML_WRITER* -> 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 wsfreewriter =
  foreign "WsFreeWriter"
    ((ptr intptr_t) @-> returning void)
(* writer : WS_XML_WRITER* -> (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 ("WsFreeWriter" ws-free-writer :convention :stdcall) :void
  (writer :pointer))   ; WS_XML_WRITER*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WsFreeWriter = Win32::API::More->new('webservices',
    'void WsFreeWriter(LPVOID writer)');
# my $ret = $WsFreeWriter->Call($writer);
# writer : WS_XML_WRITER* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。