WsGetReaderNode

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

HRESULT WsGetReaderNode(
    WS_XML_READER* xmlReader,
    const WS_XML_NODE** node,
    WS_ERROR* error   // optional
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsGetReaderNode(
    ByRef xmlReader As IntPtr,   ' WS_XML_READER*
    node As IntPtr,   ' WS_XML_NODE** out
    [error] As IntPtr   ' WS_ERROR* optional
) As Integer
End Function

' xmlReader : WS_XML_READER*
' node : WS_XML_NODE** out
' error : WS_ERROR* optional
Declare PtrSafe Function WsGetReaderNode Lib "webservices" ( _
    ByRef xmlReader As LongPtr, _
    ByVal node 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

WsGetReaderNode = ctypes.windll.webservices.WsGetReaderNode
WsGetReaderNode.restype = ctypes.c_int
WsGetReaderNode.argtypes = [
    ctypes.c_void_p,  # xmlReader : WS_XML_READER*
    ctypes.c_void_p,  # node : WS_XML_NODE** out
    ctypes.c_void_p,  # error : WS_ERROR* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsGetReaderNode = Fiddle::Function.new(
  lib['WsGetReaderNode'],
  [
    Fiddle::TYPE_VOIDP,  # xmlReader : WS_XML_READER*
    Fiddle::TYPE_VOIDP,  # node : WS_XML_NODE** out
    Fiddle::TYPE_VOIDP,  # error : WS_ERROR* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "webservices")]
extern "system" {
    fn WsGetReaderNode(
        xmlReader: *mut isize,  // WS_XML_READER*
        node: *const *const WS_XML_NODE,  // WS_XML_NODE** 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 WsGetReaderNode(ref IntPtr xmlReader, IntPtr node, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsGetReaderNode' -Namespace Win32 -PassThru
# $api::WsGetReaderNode(xmlReader, node, error)

#uselib "webservices.dll"
#func global WsGetReaderNode "WsGetReaderNode" sptr, sptr, sptr
; WsGetReaderNode xmlReader, varptr(node), error   ; 戻り値は stat
; xmlReader : WS_XML_READER* -> "sptr"
; node : WS_XML_NODE** 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。

#uselib "webservices.dll"
#cfunc global WsGetReaderNode "WsGetReaderNode" int, var, int
; res = WsGetReaderNode(xmlReader, node, error)
; xmlReader : WS_XML_READER* -> "int"
; node : WS_XML_NODE** out -> "var"
; error : WS_ERROR* optional -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT WsGetReaderNode(WS_XML_READER* xmlReader, WS_XML_NODE** node, WS_ERROR* error)
#uselib "webservices.dll"
#cfunc global WsGetReaderNode "WsGetReaderNode" int, var, int
; res = WsGetReaderNode(xmlReader, node, error)
; xmlReader : WS_XML_READER* -> "int"
; node : WS_XML_NODE** out -> "var"
; error : WS_ERROR* optional -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsGetReaderNode = webservices.NewProc("WsGetReaderNode")
)

// xmlReader (WS_XML_READER*), node (WS_XML_NODE** out), error (WS_ERROR* optional)
r1, _, err := procWsGetReaderNode.Call(
	uintptr(xmlReader),
	uintptr(node),
	uintptr(error),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WsGetReaderNode(
  xmlReader: Pointer;   // WS_XML_READER*
  node: Pointer;   // WS_XML_NODE** out
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsGetReaderNode';

result := DllCall("webservices\WsGetReaderNode"
    , "Ptr", xmlReader   ; WS_XML_READER*
    , "Ptr", node   ; WS_XML_NODE** out
    , "Ptr", error   ; WS_ERROR* optional
    , "Int")   ; return: HRESULT

●WsGetReaderNode(xmlReader, node, error) = DLL("webservices.dll", "int WsGetReaderNode(void*, void*, void*)")
# 呼び出し: WsGetReaderNode(xmlReader, node, error)
# xmlReader : WS_XML_READER* -> "void*"
# node : WS_XML_NODE** 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)。