JetGetInstanceInfoA

// ESENT.dll  (ANSI / -A)
#include <windows.h>

INT JetGetInstanceInfoA(
    DWORD* pcInstanceInfo,
    JET_INSTANCE_INFO_A** paInstanceInfo
);

<DllImport("ESENT.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function JetGetInstanceInfoA(
    <Out> ByRef pcInstanceInfo As UInteger,   ' DWORD* out
    paInstanceInfo As IntPtr   ' JET_INSTANCE_INFO_A** out
) As Integer
End Function

' pcInstanceInfo : DWORD* out
' paInstanceInfo : JET_INSTANCE_INFO_A** out
Declare PtrSafe Function JetGetInstanceInfoA Lib "esent" ( _
    ByRef pcInstanceInfo As Long, _
    ByVal paInstanceInfo 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

JetGetInstanceInfoA = ctypes.windll.esent.JetGetInstanceInfoA
JetGetInstanceInfoA.restype = ctypes.c_int
JetGetInstanceInfoA.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # pcInstanceInfo : DWORD* out
    ctypes.c_void_p,  # paInstanceInfo : JET_INSTANCE_INFO_A** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetGetInstanceInfoA = Fiddle::Function.new(
  lib['JetGetInstanceInfoA'],
  [
    Fiddle::TYPE_VOIDP,  # pcInstanceInfo : DWORD* out
    Fiddle::TYPE_VOIDP,  # paInstanceInfo : JET_INSTANCE_INFO_A** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "esent")]
extern "system" {
    fn JetGetInstanceInfoA(
        pcInstanceInfo: *mut u32,  // DWORD* out
        paInstanceInfo: *mut *mut JET_INSTANCE_INFO_A  // JET_INSTANCE_INFO_A** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Ansi)]
public static extern int JetGetInstanceInfoA(out uint pcInstanceInfo, IntPtr paInstanceInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetGetInstanceInfoA' -Namespace Win32 -PassThru
# $api::JetGetInstanceInfoA(pcInstanceInfo, paInstanceInfo)

#uselib "ESENT.dll"
#func global JetGetInstanceInfoA "JetGetInstanceInfoA" sptr, sptr
; JetGetInstanceInfoA varptr(pcInstanceInfo), varptr(paInstanceInfo)   ; 戻り値は stat
; pcInstanceInfo : DWORD* out -> "sptr"
; paInstanceInfo : JET_INSTANCE_INFO_A** 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 (
	esent = windows.NewLazySystemDLL("ESENT.dll")
	procJetGetInstanceInfoA = esent.NewProc("JetGetInstanceInfoA")
)

// pcInstanceInfo (DWORD* out), paInstanceInfo (JET_INSTANCE_INFO_A** out)
r1, _, err := procJetGetInstanceInfoA.Call(
	uintptr(pcInstanceInfo),
	uintptr(paInstanceInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetGetInstanceInfoA(
  pcInstanceInfo: Pointer;   // DWORD* out
  paInstanceInfo: Pointer   // JET_INSTANCE_INFO_A** out
): Integer; stdcall;
  external 'ESENT.dll' name 'JetGetInstanceInfoA';

result := DllCall("ESENT\JetGetInstanceInfoA"
    , "Ptr", pcInstanceInfo   ; DWORD* out
    , "Ptr", paInstanceInfo   ; JET_INSTANCE_INFO_A** out
    , "Int")   ; return: INT

●JetGetInstanceInfoA(pcInstanceInfo, paInstanceInfo) = DLL("ESENT.dll", "int JetGetInstanceInfoA(void*, void*)")
# 呼び出し: JetGetInstanceInfoA(pcInstanceInfo, paInstanceInfo)
# pcInstanceInfo : DWORD* out -> "void*"
# paInstanceInfo : JET_INSTANCE_INFO_A** 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 "esent" fn JetGetInstanceInfoA(
    pcInstanceInfo: [*c]u32, // DWORD* out
    paInstanceInfo: [*c][*c]JET_INSTANCE_INFO_A // JET_INSTANCE_INFO_A** out
) callconv(std.os.windows.WINAPI) i32;

proc JetGetInstanceInfoA(
    pcInstanceInfo: ptr uint32,  # DWORD* out
    paInstanceInfo: ptr JET_INSTANCE_INFO_A  # JET_INSTANCE_INFO_A** out
): int32 {.importc: "JetGetInstanceInfoA", stdcall, dynlib: "ESENT.dll".}

pragma(lib, "esent");
extern(Windows)
int JetGetInstanceInfoA(
    uint* pcInstanceInfo,   // DWORD* out
    JET_INSTANCE_INFO_A** paInstanceInfo   // JET_INSTANCE_INFO_A** out
);

ccall((:JetGetInstanceInfoA, "ESENT.dll"), stdcall, Int32,
      (Ptr{UInt32}, Ptr{JET_INSTANCE_INFO_A}),
      pcInstanceInfo, paInstanceInfo)
# pcInstanceInfo : DWORD* out -> Ptr{UInt32}
# paInstanceInfo : JET_INSTANCE_INFO_A** out -> Ptr{JET_INSTANCE_INFO_A}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t JetGetInstanceInfoA(
    uint32_t* pcInstanceInfo,
    void* paInstanceInfo);
]]
local esent = ffi.load("esent")
-- esent.JetGetInstanceInfoA(pcInstanceInfo, paInstanceInfo)
-- pcInstanceInfo : DWORD* out
-- paInstanceInfo : JET_INSTANCE_INFO_A** 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('ESENT.dll');
const JetGetInstanceInfoA = lib.func('__stdcall', 'JetGetInstanceInfoA', 'int32_t', ['uint32_t *', 'void *']);
// JetGetInstanceInfoA(pcInstanceInfo, paInstanceInfo)
// pcInstanceInfo : DWORD* out -> 'uint32_t *'
// paInstanceInfo : JET_INSTANCE_INFO_A** out -> 'void *'
// 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", {
  JetGetInstanceInfoA: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.JetGetInstanceInfoA(pcInstanceInfo, paInstanceInfo)
// pcInstanceInfo : DWORD* out -> "pointer"
// paInstanceInfo : JET_INSTANCE_INFO_A** out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t JetGetInstanceInfoA(
    uint32_t* pcInstanceInfo,
    void* paInstanceInfo);
C, "ESENT.dll");
// $ffi->JetGetInstanceInfoA(pcInstanceInfo, paInstanceInfo);
// pcInstanceInfo : DWORD* out
// paInstanceInfo : JET_INSTANCE_INFO_A** 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 Esent extends StdCallLibrary {
    Esent INSTANCE = Native.load("esent", Esent.class, W32APIOptions.ASCII_OPTIONS);
    int JetGetInstanceInfoA(
        IntByReference pcInstanceInfo,   // DWORD* out
        Pointer paInstanceInfo   // JET_INSTANCE_INFO_A** out
    );
}

@[Link("esent")]
lib LibESENT
  fun JetGetInstanceInfoA = JetGetInstanceInfoA(
    pcInstanceInfo : UInt32*,   # DWORD* out
    paInstanceInfo : JET_INSTANCE_INFO_A**   # JET_INSTANCE_INFO_A** 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 JetGetInstanceInfoANative = Int32 Function(Pointer<Uint32>, Pointer<Void>);
typedef JetGetInstanceInfoADart = int Function(Pointer<Uint32>, Pointer<Void>);
final JetGetInstanceInfoA = DynamicLibrary.open('ESENT.dll')
    .lookupFunction<JetGetInstanceInfoANative, JetGetInstanceInfoADart>('JetGetInstanceInfoA');
// pcInstanceInfo : DWORD* out -> Pointer<Uint32>
// paInstanceInfo : JET_INSTANCE_INFO_A** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function JetGetInstanceInfoA(
  pcInstanceInfo: Pointer;   // DWORD* out
  paInstanceInfo: Pointer   // JET_INSTANCE_INFO_A** out
): Integer; stdcall;
  external 'ESENT.dll' name 'JetGetInstanceInfoA';

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

foreign import stdcall safe "JetGetInstanceInfoA"
  c_JetGetInstanceInfoA :: Ptr Word32 -> Ptr () -> IO Int32
-- pcInstanceInfo : DWORD* out -> Ptr Word32
-- paInstanceInfo : JET_INSTANCE_INFO_A** out -> Ptr ()
-- 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 jetgetinstanceinfoa =
  foreign "JetGetInstanceInfoA"
    ((ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* pcInstanceInfo : DWORD* out -> (ptr uint32_t) *)
(* paInstanceInfo : JET_INSTANCE_INFO_A** out -> (ptr void) *)
(* 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 ("JetGetInstanceInfoA" jet-get-instance-info-a :convention :stdcall) :int32
  (pc-instance-info :pointer)   ; DWORD* out
  (pa-instance-info :pointer))   ; JET_INSTANCE_INFO_A** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $JetGetInstanceInfoA = Win32::API::More->new('ESENT',
    'int JetGetInstanceInfoA(LPVOID pcInstanceInfo, LPVOID paInstanceInfo)');
# my $ret = $JetGetInstanceInfoA->Call($pcInstanceInfo, $paInstanceInfo);
# pcInstanceInfo : DWORD* out -> LPVOID
# paInstanceInfo : JET_INSTANCE_INFO_A** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。