CertSrvBackupOpenFileW

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

HRESULT CertSrvBackupOpenFileW(
    void* hbc,
    LPCWSTR pwszAttachmentName,
    DWORD cbReadHintSize,
    LONGLONG* pliFileSize
);

<DllImport("certadm.dll", ExactSpelling:=True)>
Public Shared Function CertSrvBackupOpenFileW(
    hbc As IntPtr,   ' void* in/out
    <MarshalAs(UnmanagedType.LPWStr)> pwszAttachmentName As String,   ' LPCWSTR
    cbReadHintSize As UInteger,   ' DWORD
    ByRef pliFileSize As Long   ' LONGLONG* in/out
) As Integer
End Function

' hbc : void* in/out
' pwszAttachmentName : LPCWSTR
' cbReadHintSize : DWORD
' pliFileSize : LONGLONG* in/out
Declare PtrSafe Function CertSrvBackupOpenFileW Lib "certadm" ( _
    ByVal hbc As LongPtr, _
    ByVal pwszAttachmentName As LongPtr, _
    ByVal cbReadHintSize As Long, _
    ByRef pliFileSize As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CertSrvBackupOpenFileW = ctypes.windll.certadm.CertSrvBackupOpenFileW
CertSrvBackupOpenFileW.restype = ctypes.c_int
CertSrvBackupOpenFileW.argtypes = [
    ctypes.POINTER(None),  # hbc : void* in/out
    wintypes.LPCWSTR,  # pwszAttachmentName : LPCWSTR
    wintypes.DWORD,  # cbReadHintSize : DWORD
    ctypes.POINTER(ctypes.c_longlong),  # pliFileSize : LONGLONG* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('certadm.dll')
CertSrvBackupOpenFileW = Fiddle::Function.new(
  lib['CertSrvBackupOpenFileW'],
  [
    Fiddle::TYPE_VOIDP,  # hbc : void* in/out
    Fiddle::TYPE_VOIDP,  # pwszAttachmentName : LPCWSTR
    -Fiddle::TYPE_INT,  # cbReadHintSize : DWORD
    Fiddle::TYPE_VOIDP,  # pliFileSize : LONGLONG* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "certadm")]
extern "system" {
    fn CertSrvBackupOpenFileW(
        hbc: *mut (),  // void* in/out
        pwszAttachmentName: *const u16,  // LPCWSTR
        cbReadHintSize: u32,  // DWORD
        pliFileSize: *mut i64  // LONGLONG* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("certadm.dll")]
public static extern int CertSrvBackupOpenFileW(IntPtr hbc, [MarshalAs(UnmanagedType.LPWStr)] string pwszAttachmentName, uint cbReadHintSize, ref long pliFileSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'certadm_CertSrvBackupOpenFileW' -Namespace Win32 -PassThru
# $api::CertSrvBackupOpenFileW(hbc, pwszAttachmentName, cbReadHintSize, pliFileSize)

#uselib "certadm.dll"
#func global CertSrvBackupOpenFileW "CertSrvBackupOpenFileW" sptr, sptr, sptr, sptr
; CertSrvBackupOpenFileW hbc, pwszAttachmentName, cbReadHintSize, varptr(pliFileSize)   ; 戻り値は stat
; hbc : void* in/out -> "sptr"
; pwszAttachmentName : LPCWSTR -> "sptr"
; cbReadHintSize : DWORD -> "sptr"
; pliFileSize : LONGLONG* in/out -> "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 (
	certadm = windows.NewLazySystemDLL("certadm.dll")
	procCertSrvBackupOpenFileW = certadm.NewProc("CertSrvBackupOpenFileW")
)

// hbc (void* in/out), pwszAttachmentName (LPCWSTR), cbReadHintSize (DWORD), pliFileSize (LONGLONG* in/out)
r1, _, err := procCertSrvBackupOpenFileW.Call(
	uintptr(hbc),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszAttachmentName))),
	uintptr(cbReadHintSize),
	uintptr(pliFileSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CertSrvBackupOpenFileW(
  hbc: Pointer;   // void* in/out
  pwszAttachmentName: PWideChar;   // LPCWSTR
  cbReadHintSize: DWORD;   // DWORD
  pliFileSize: Pointer   // LONGLONG* in/out
): Integer; stdcall;
  external 'certadm.dll' name 'CertSrvBackupOpenFileW';

result := DllCall("certadm\CertSrvBackupOpenFileW"
    , "Ptr", hbc   ; void* in/out
    , "WStr", pwszAttachmentName   ; LPCWSTR
    , "UInt", cbReadHintSize   ; DWORD
    , "Ptr", pliFileSize   ; LONGLONG* in/out
    , "Int")   ; return: HRESULT

●CertSrvBackupOpenFileW(hbc, pwszAttachmentName, cbReadHintSize, pliFileSize) = DLL("certadm.dll", "int CertSrvBackupOpenFileW(void*, char*, dword, void*)")
# 呼び出し: CertSrvBackupOpenFileW(hbc, pwszAttachmentName, cbReadHintSize, pliFileSize)
# hbc : void* in/out -> "void*"
# pwszAttachmentName : LPCWSTR -> "char*"
# cbReadHintSize : DWORD -> "dword"
# pliFileSize : LONGLONG* in/out -> "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 "certadm" fn CertSrvBackupOpenFileW(
    hbc: ?*anyopaque, // void* in/out
    pwszAttachmentName: [*c]const u16, // LPCWSTR
    cbReadHintSize: u32, // DWORD
    pliFileSize: [*c]i64 // LONGLONG* in/out
) callconv(std.os.windows.WINAPI) i32;

proc CertSrvBackupOpenFileW(
    hbc: pointer,  # void* in/out
    pwszAttachmentName: WideCString,  # LPCWSTR
    cbReadHintSize: uint32,  # DWORD
    pliFileSize: ptr int64  # LONGLONG* in/out
): int32 {.importc: "CertSrvBackupOpenFileW", stdcall, dynlib: "certadm.dll".}

pragma(lib, "certadm");
extern(Windows)
int CertSrvBackupOpenFileW(
    void* hbc,   // void* in/out
    const(wchar)* pwszAttachmentName,   // LPCWSTR
    uint cbReadHintSize,   // DWORD
    long* pliFileSize   // LONGLONG* in/out
);

ccall((:CertSrvBackupOpenFileW, "certadm.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Cwstring, UInt32, Ptr{Int64}),
      hbc, pwszAttachmentName, cbReadHintSize, pliFileSize)
# hbc : void* in/out -> Ptr{Cvoid}
# pwszAttachmentName : LPCWSTR -> Cwstring
# cbReadHintSize : DWORD -> UInt32
# pliFileSize : LONGLONG* in/out -> Ptr{Int64}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t CertSrvBackupOpenFileW(
    void* hbc,
    const uint16_t* pwszAttachmentName,
    uint32_t cbReadHintSize,
    int64_t* pliFileSize);
]]
local certadm = ffi.load("certadm")
-- certadm.CertSrvBackupOpenFileW(hbc, pwszAttachmentName, cbReadHintSize, pliFileSize)
-- hbc : void* in/out
-- pwszAttachmentName : LPCWSTR
-- cbReadHintSize : DWORD
-- pliFileSize : LONGLONG* in/out
-- 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('certadm.dll');
const CertSrvBackupOpenFileW = lib.func('__stdcall', 'CertSrvBackupOpenFileW', 'int32_t', ['void *', 'str16', 'uint32_t', 'int64_t *']);
// CertSrvBackupOpenFileW(hbc, pwszAttachmentName, cbReadHintSize, pliFileSize)
// hbc : void* in/out -> 'void *'
// pwszAttachmentName : LPCWSTR -> 'str16'
// cbReadHintSize : DWORD -> 'uint32_t'
// pliFileSize : LONGLONG* in/out -> 'int64_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("certadm.dll", {
  CertSrvBackupOpenFileW: { parameters: ["pointer", "buffer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.CertSrvBackupOpenFileW(hbc, pwszAttachmentName, cbReadHintSize, pliFileSize)
// hbc : void* in/out -> "pointer"
// pwszAttachmentName : LPCWSTR -> "buffer"
// cbReadHintSize : DWORD -> "u32"
// pliFileSize : LONGLONG* in/out -> "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 CertSrvBackupOpenFileW(
    void* hbc,
    const uint16_t* pwszAttachmentName,
    uint32_t cbReadHintSize,
    int64_t* pliFileSize);
C, "certadm.dll");
// $ffi->CertSrvBackupOpenFileW(hbc, pwszAttachmentName, cbReadHintSize, pliFileSize);
// hbc : void* in/out
// pwszAttachmentName : LPCWSTR
// cbReadHintSize : DWORD
// pliFileSize : LONGLONG* in/out
// 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 Certadm extends StdCallLibrary {
    Certadm INSTANCE = Native.load("certadm", Certadm.class);
    int CertSrvBackupOpenFileW(
        Pointer hbc,   // void* in/out
        WString pwszAttachmentName,   // LPCWSTR
        int cbReadHintSize,   // DWORD
        LongByReference pliFileSize   // LONGLONG* in/out
    );
}

@[Link("certadm")]
lib Libcertadm
  fun CertSrvBackupOpenFileW = CertSrvBackupOpenFileW(
    hbc : Void*,   # void* in/out
    pwszAttachmentName : UInt16*,   # LPCWSTR
    cbReadHintSize : UInt32,   # DWORD
    pliFileSize : Int64*   # LONGLONG* in/out
  ) : 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 CertSrvBackupOpenFileWNative = Int32 Function(Pointer<Void>, Pointer<Utf16>, Uint32, Pointer<Int64>);
typedef CertSrvBackupOpenFileWDart = int Function(Pointer<Void>, Pointer<Utf16>, int, Pointer<Int64>);
final CertSrvBackupOpenFileW = DynamicLibrary.open('certadm.dll')
    .lookupFunction<CertSrvBackupOpenFileWNative, CertSrvBackupOpenFileWDart>('CertSrvBackupOpenFileW');
// hbc : void* in/out -> Pointer<Void>
// pwszAttachmentName : LPCWSTR -> Pointer<Utf16>
// cbReadHintSize : DWORD -> Uint32
// pliFileSize : LONGLONG* in/out -> Pointer<Int64>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CertSrvBackupOpenFileW(
  hbc: Pointer;   // void* in/out
  pwszAttachmentName: PWideChar;   // LPCWSTR
  cbReadHintSize: DWORD;   // DWORD
  pliFileSize: Pointer   // LONGLONG* in/out
): Integer; stdcall;
  external 'certadm.dll' name 'CertSrvBackupOpenFileW';

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

foreign import stdcall safe "CertSrvBackupOpenFileW"
  c_CertSrvBackupOpenFileW :: Ptr () -> CWString -> Word32 -> Ptr Int64 -> IO Int32
-- hbc : void* in/out -> Ptr ()
-- pwszAttachmentName : LPCWSTR -> CWString
-- cbReadHintSize : DWORD -> Word32
-- pliFileSize : LONGLONG* in/out -> Ptr Int64
-- 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 certsrvbackupopenfilew =
  foreign "CertSrvBackupOpenFileW"
    ((ptr void) @-> (ptr uint16_t) @-> uint32_t @-> (ptr int64_t) @-> returning int32_t)
(* hbc : void* in/out -> (ptr void) *)
(* pwszAttachmentName : LPCWSTR -> (ptr uint16_t) *)
(* cbReadHintSize : DWORD -> uint32_t *)
(* pliFileSize : LONGLONG* in/out -> (ptr int64_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 certadm (t "certadm.dll"))
(cffi:use-foreign-library certadm)

(cffi:defcfun ("CertSrvBackupOpenFileW" cert-srv-backup-open-file-w :convention :stdcall) :int32
  (hbc :pointer)   ; void* in/out
  (pwsz-attachment-name (:string :encoding :utf-16le))   ; LPCWSTR
  (cb-read-hint-size :uint32)   ; DWORD
  (pli-file-size :pointer))   ; LONGLONG* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CertSrvBackupOpenFileW = Win32::API::More->new('certadm',
    'int CertSrvBackupOpenFileW(LPVOID hbc, LPCWSTR pwszAttachmentName, DWORD cbReadHintSize, LPVOID pliFileSize)');
# my $ret = $CertSrvBackupOpenFileW->Call($hbc, $pwszAttachmentName, $cbReadHintSize, $pliFileSize);
# hbc : void* in/out -> LPVOID
# pwszAttachmentName : LPCWSTR -> LPCWSTR
# cbReadHintSize : DWORD -> DWORD
# pliFileSize : LONGLONG* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。