JetCreateInstance2W

// ESENT.dll  (Unicode / -W)
#include <windows.h>

INT JetCreateInstance2W(
    JET_INSTANCE* pinstance,
    WORD* szInstanceName,   // optional
    WORD* szDisplayName,   // optional
    DWORD grbit
);

<DllImport("ESENT.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function JetCreateInstance2W(
    <Out> ByRef pinstance As UIntPtr,   ' JET_INSTANCE* out
    szInstanceName As IntPtr,   ' WORD* optional
    szDisplayName As IntPtr,   ' WORD* optional
    grbit As UInteger   ' DWORD
) As Integer
End Function

' pinstance : JET_INSTANCE* out
' szInstanceName : WORD* optional
' szDisplayName : WORD* optional
' grbit : DWORD
Declare PtrSafe Function JetCreateInstance2W Lib "esent" ( _
    ByRef pinstance As LongPtr, _
    ByVal szInstanceName As LongPtr, _
    ByVal szDisplayName As LongPtr, _
    ByVal grbit As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

JetCreateInstance2W = ctypes.windll.esent.JetCreateInstance2W
JetCreateInstance2W.restype = ctypes.c_int
JetCreateInstance2W.argtypes = [
    ctypes.c_void_p,  # pinstance : JET_INSTANCE* out
    ctypes.POINTER(ctypes.c_ushort),  # szInstanceName : WORD* optional
    ctypes.POINTER(ctypes.c_ushort),  # szDisplayName : WORD* optional
    wintypes.DWORD,  # grbit : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetCreateInstance2W = Fiddle::Function.new(
  lib['JetCreateInstance2W'],
  [
    Fiddle::TYPE_VOIDP,  # pinstance : JET_INSTANCE* out
    Fiddle::TYPE_VOIDP,  # szInstanceName : WORD* optional
    Fiddle::TYPE_VOIDP,  # szDisplayName : WORD* optional
    -Fiddle::TYPE_INT,  # grbit : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "esent")]
extern "system" {
    fn JetCreateInstance2W(
        pinstance: *mut usize,  // JET_INSTANCE* out
        szInstanceName: *mut u16,  // WORD* optional
        szDisplayName: *mut u16,  // WORD* optional
        grbit: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Unicode)]
public static extern int JetCreateInstance2W(out UIntPtr pinstance, IntPtr szInstanceName, IntPtr szDisplayName, uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetCreateInstance2W' -Namespace Win32 -PassThru
# $api::JetCreateInstance2W(pinstance, szInstanceName, szDisplayName, grbit)

#uselib "ESENT.dll"
#func global JetCreateInstance2W "JetCreateInstance2W" wptr, wptr, wptr, wptr
; JetCreateInstance2W varptr(pinstance), varptr(szInstanceName), varptr(szDisplayName), grbit   ; 戻り値は stat
; pinstance : JET_INSTANCE* out -> "wptr"
; szInstanceName : WORD* optional -> "wptr"
; szDisplayName : WORD* optional -> "wptr"
; grbit : DWORD -> "wptr"
; ※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 (
	esent = windows.NewLazySystemDLL("ESENT.dll")
	procJetCreateInstance2W = esent.NewProc("JetCreateInstance2W")
)

// pinstance (JET_INSTANCE* out), szInstanceName (WORD* optional), szDisplayName (WORD* optional), grbit (DWORD)
r1, _, err := procJetCreateInstance2W.Call(
	uintptr(pinstance),
	uintptr(szInstanceName),
	uintptr(szDisplayName),
	uintptr(grbit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetCreateInstance2W(
  pinstance: Pointer;   // JET_INSTANCE* out
  szInstanceName: Pointer;   // WORD* optional
  szDisplayName: Pointer;   // WORD* optional
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetCreateInstance2W';

result := DllCall("ESENT\JetCreateInstance2W"
    , "Ptr", pinstance   ; JET_INSTANCE* out
    , "Ptr", szInstanceName   ; WORD* optional
    , "Ptr", szDisplayName   ; WORD* optional
    , "UInt", grbit   ; DWORD
    , "Int")   ; return: INT

●JetCreateInstance2W(pinstance, szInstanceName, szDisplayName, grbit) = DLL("ESENT.dll", "int JetCreateInstance2W(void*, void*, void*, dword)")
# 呼び出し: JetCreateInstance2W(pinstance, szInstanceName, szDisplayName, grbit)
# pinstance : JET_INSTANCE* out -> "void*"
# szInstanceName : WORD* optional -> "void*"
# szDisplayName : WORD* optional -> "void*"
# grbit : DWORD -> "dword"
# 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "esent" fn JetCreateInstance2W(
    pinstance: [*c]usize, // JET_INSTANCE* out
    szInstanceName: [*c]u16, // WORD* optional
    szDisplayName: [*c]u16, // WORD* optional
    grbit: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc JetCreateInstance2W(
    pinstance: ptr uint,  # JET_INSTANCE* out
    szInstanceName: ptr uint16,  # WORD* optional
    szDisplayName: ptr uint16,  # WORD* optional
    grbit: uint32  # DWORD
): int32 {.importc: "JetCreateInstance2W", stdcall, dynlib: "ESENT.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "esent");
extern(Windows)
int JetCreateInstance2W(
    size_t* pinstance,   // JET_INSTANCE* out
    ushort* szInstanceName,   // WORD* optional
    ushort* szDisplayName,   // WORD* optional
    uint grbit   // DWORD
);

ccall((:JetCreateInstance2W, "ESENT.dll"), stdcall, Int32,
      (Ptr{Csize_t}, Ptr{UInt16}, Ptr{UInt16}, UInt32),
      pinstance, szInstanceName, szDisplayName, grbit)
# pinstance : JET_INSTANCE* out -> Ptr{Csize_t}
# szInstanceName : WORD* optional -> Ptr{UInt16}
# szDisplayName : WORD* optional -> Ptr{UInt16}
# grbit : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t JetCreateInstance2W(
    uintptr_t* pinstance,
    uint16_t* szInstanceName,
    uint16_t* szDisplayName,
    uint32_t grbit);
]]
local esent = ffi.load("esent")
-- esent.JetCreateInstance2W(pinstance, szInstanceName, szDisplayName, grbit)
-- pinstance : JET_INSTANCE* out
-- szInstanceName : WORD* optional
-- szDisplayName : WORD* optional
-- grbit : DWORD
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('ESENT.dll');
const JetCreateInstance2W = lib.func('__stdcall', 'JetCreateInstance2W', 'int32_t', ['uintptr_t *', 'uint16_t *', 'uint16_t *', 'uint32_t']);
// JetCreateInstance2W(pinstance, szInstanceName, szDisplayName, grbit)
// pinstance : JET_INSTANCE* out -> 'uintptr_t *'
// szInstanceName : WORD* optional -> 'uint16_t *'
// szDisplayName : WORD* optional -> 'uint16_t *'
// grbit : DWORD -> 'uint32_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("ESENT.dll", {
  JetCreateInstance2W: { parameters: ["pointer", "pointer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.JetCreateInstance2W(pinstance, szInstanceName, szDisplayName, grbit)
// pinstance : JET_INSTANCE* out -> "pointer"
// szInstanceName : WORD* optional -> "pointer"
// szDisplayName : WORD* optional -> "pointer"
// grbit : DWORD -> "u32"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 JetCreateInstance2W(
    size_t* pinstance,
    uint16_t* szInstanceName,
    uint16_t* szDisplayName,
    uint32_t grbit);
C, "ESENT.dll");
// $ffi->JetCreateInstance2W(pinstance, szInstanceName, szDisplayName, grbit);
// pinstance : JET_INSTANCE* out
// szInstanceName : WORD* optional
// szDisplayName : WORD* optional
// grbit : DWORD
// 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 Esent extends StdCallLibrary {
    Esent INSTANCE = Native.load("esent", Esent.class, W32APIOptions.UNICODE_OPTIONS);
    int JetCreateInstance2W(
        LongByReference pinstance,   // JET_INSTANCE* out
        ShortByReference szInstanceName,   // WORD* optional
        ShortByReference szDisplayName,   // WORD* optional
        int grbit   // DWORD
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("esent")]
lib LibESENT
  fun JetCreateInstance2W = JetCreateInstance2W(
    pinstance : LibC::SizeT*,   # JET_INSTANCE* out
    szInstanceName : UInt16*,   # WORD* optional
    szDisplayName : UInt16*,   # WORD* optional
    grbit : UInt32   # DWORD
  ) : 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 JetCreateInstance2WNative = Int32 Function(Pointer<UintPtr>, Pointer<Uint16>, Pointer<Uint16>, Uint32);
typedef JetCreateInstance2WDart = int Function(Pointer<UintPtr>, Pointer<Uint16>, Pointer<Uint16>, int);
final JetCreateInstance2W = DynamicLibrary.open('ESENT.dll')
    .lookupFunction<JetCreateInstance2WNative, JetCreateInstance2WDart>('JetCreateInstance2W');
// pinstance : JET_INSTANCE* out -> Pointer<UintPtr>
// szInstanceName : WORD* optional -> Pointer<Uint16>
// szDisplayName : WORD* optional -> Pointer<Uint16>
// grbit : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function JetCreateInstance2W(
  pinstance: Pointer;   // JET_INSTANCE* out
  szInstanceName: Pointer;   // WORD* optional
  szDisplayName: Pointer;   // WORD* optional
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetCreateInstance2W';

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

foreign import stdcall safe "JetCreateInstance2W"
  c_JetCreateInstance2W :: Ptr CUIntPtr -> Ptr Word16 -> Ptr Word16 -> Word32 -> IO Int32
-- pinstance : JET_INSTANCE* out -> Ptr CUIntPtr
-- szInstanceName : WORD* optional -> Ptr Word16
-- szDisplayName : WORD* optional -> Ptr Word16
-- grbit : DWORD -> Word32
-- 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 jetcreateinstance2w =
  foreign "JetCreateInstance2W"
    ((ptr size_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> uint32_t @-> returning int32_t)
(* pinstance : JET_INSTANCE* out -> (ptr size_t) *)
(* szInstanceName : WORD* optional -> (ptr uint16_t) *)
(* szDisplayName : WORD* optional -> (ptr uint16_t) *)
(* grbit : DWORD -> uint32_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 esent (t "ESENT.dll"))
(cffi:use-foreign-library esent)

(cffi:defcfun ("JetCreateInstance2W" jet-create-instance2-w :convention :stdcall) :int32
  (pinstance :pointer)   ; JET_INSTANCE* out
  (sz-instance-name :pointer)   ; WORD* optional
  (sz-display-name :pointer)   ; WORD* optional
  (grbit :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $JetCreateInstance2W = Win32::API::More->new('ESENT',
    'int JetCreateInstance2W(LPVOID pinstance, LPVOID szInstanceName, LPVOID szDisplayName, DWORD grbit)');
# my $ret = $JetCreateInstance2W->Call($pinstance, $szInstanceName, $szDisplayName, $grbit);
# pinstance : JET_INSTANCE* out -> LPVOID
# szInstanceName : WORD* optional -> LPVOID
# szDisplayName : WORD* optional -> LPVOID
# grbit : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。