WsWriteXmlBuffer

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

HRESULT WsWriteXmlBuffer(
    WS_XML_WRITER* writer,
    WS_XML_BUFFER* xmlBuffer,
    WS_ERROR* error   // optional
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsWriteXmlBuffer(
    ByRef writer As IntPtr,   ' WS_XML_WRITER*
    ByRef xmlBuffer As IntPtr,   ' WS_XML_BUFFER*
    [error] As IntPtr   ' WS_ERROR* optional
) As Integer
End Function

' writer : WS_XML_WRITER*
' xmlBuffer : WS_XML_BUFFER*
' error : WS_ERROR* optional
Declare PtrSafe Function WsWriteXmlBuffer Lib "webservices" ( _
    ByRef writer As LongPtr, _
    ByRef xmlBuffer 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

WsWriteXmlBuffer = ctypes.windll.webservices.WsWriteXmlBuffer
WsWriteXmlBuffer.restype = ctypes.c_int
WsWriteXmlBuffer.argtypes = [
    ctypes.c_void_p,  # writer : WS_XML_WRITER*
    ctypes.c_void_p,  # xmlBuffer : WS_XML_BUFFER*
    ctypes.c_void_p,  # error : WS_ERROR* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsWriteXmlBuffer = Fiddle::Function.new(
  lib['WsWriteXmlBuffer'],
  [
    Fiddle::TYPE_VOIDP,  # writer : WS_XML_WRITER*
    Fiddle::TYPE_VOIDP,  # xmlBuffer : WS_XML_BUFFER*
    Fiddle::TYPE_VOIDP,  # error : WS_ERROR* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "webservices")]
extern "system" {
    fn WsWriteXmlBuffer(
        writer: *mut isize,  // WS_XML_WRITER*
        xmlBuffer: *mut isize,  // WS_XML_BUFFER*
        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 WsWriteXmlBuffer(ref IntPtr writer, ref IntPtr xmlBuffer, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsWriteXmlBuffer' -Namespace Win32 -PassThru
# $api::WsWriteXmlBuffer(writer, xmlBuffer, error)

#uselib "webservices.dll"
#func global WsWriteXmlBuffer "WsWriteXmlBuffer" sptr, sptr, sptr
; WsWriteXmlBuffer writer, xmlBuffer, error   ; 戻り値は stat
; writer : WS_XML_WRITER* -> "sptr"
; xmlBuffer : WS_XML_BUFFER* -> "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。

#uselib "webservices.dll"
#cfunc global WsWriteXmlBuffer "WsWriteXmlBuffer" int, int, int
; res = WsWriteXmlBuffer(writer, xmlBuffer, error)
; writer : WS_XML_WRITER* -> "int"
; xmlBuffer : WS_XML_BUFFER* -> "int"
; error : WS_ERROR* optional -> "int"

; HRESULT WsWriteXmlBuffer(WS_XML_WRITER* writer, WS_XML_BUFFER* xmlBuffer, WS_ERROR* error)
#uselib "webservices.dll"
#cfunc global WsWriteXmlBuffer "WsWriteXmlBuffer" int, int, int
; res = WsWriteXmlBuffer(writer, xmlBuffer, error)
; writer : WS_XML_WRITER* -> "int"
; xmlBuffer : WS_XML_BUFFER* -> "int"
; error : WS_ERROR* optional -> "int"

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

var (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsWriteXmlBuffer = webservices.NewProc("WsWriteXmlBuffer")
)

// writer (WS_XML_WRITER*), xmlBuffer (WS_XML_BUFFER*), error (WS_ERROR* optional)
r1, _, err := procWsWriteXmlBuffer.Call(
	uintptr(writer),
	uintptr(xmlBuffer),
	uintptr(error),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WsWriteXmlBuffer(
  writer: Pointer;   // WS_XML_WRITER*
  xmlBuffer: Pointer;   // WS_XML_BUFFER*
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsWriteXmlBuffer';

result := DllCall("webservices\WsWriteXmlBuffer"
    , "Ptr", writer   ; WS_XML_WRITER*
    , "Ptr", xmlBuffer   ; WS_XML_BUFFER*
    , "Ptr", error   ; WS_ERROR* optional
    , "Int")   ; return: HRESULT

●WsWriteXmlBuffer(writer, xmlBuffer, error) = DLL("webservices.dll", "int WsWriteXmlBuffer(void*, void*, void*)")
# 呼び出し: WsWriteXmlBuffer(writer, xmlBuffer, error)
# writer : WS_XML_WRITER* -> "void*"
# xmlBuffer : WS_XML_BUFFER* -> "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)。