JetBeginSessionA

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

INT JetBeginSessionA(
    JET_INSTANCE instance,
    JET_SESID* psesid,
    CHAR* szUserName,   // optional
    CHAR* szPassword   // optional
);

<DllImport("ESENT.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function JetBeginSessionA(
    instance As UIntPtr,   ' JET_INSTANCE
    <Out> ByRef psesid As UIntPtr,   ' JET_SESID* out
    szUserName As IntPtr,   ' CHAR* optional
    szPassword As IntPtr   ' CHAR* optional
) As Integer
End Function

' instance : JET_INSTANCE
' psesid : JET_SESID* out
' szUserName : CHAR* optional
' szPassword : CHAR* optional
Declare PtrSafe Function JetBeginSessionA Lib "esent" ( _
    ByVal instance As LongPtr, _
    ByRef psesid As LongPtr, _
    ByVal szUserName As LongPtr, _
    ByVal szPassword 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

JetBeginSessionA = ctypes.windll.esent.JetBeginSessionA
JetBeginSessionA.restype = ctypes.c_int
JetBeginSessionA.argtypes = [
    ctypes.c_size_t,  # instance : JET_INSTANCE
    ctypes.c_void_p,  # psesid : JET_SESID* out
    ctypes.POINTER(ctypes.c_byte),  # szUserName : CHAR* optional
    ctypes.POINTER(ctypes.c_byte),  # szPassword : CHAR* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetBeginSessionA = Fiddle::Function.new(
  lib['JetBeginSessionA'],
  [
    Fiddle::TYPE_UINTPTR_T,  # instance : JET_INSTANCE
    Fiddle::TYPE_VOIDP,  # psesid : JET_SESID* out
    Fiddle::TYPE_VOIDP,  # szUserName : CHAR* optional
    Fiddle::TYPE_VOIDP,  # szPassword : CHAR* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "esent")]
extern "system" {
    fn JetBeginSessionA(
        instance: usize,  // JET_INSTANCE
        psesid: *mut usize,  // JET_SESID* out
        szUserName: *mut i8,  // CHAR* optional
        szPassword: *mut i8  // CHAR* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Ansi)]
public static extern int JetBeginSessionA(UIntPtr instance, out UIntPtr psesid, IntPtr szUserName, IntPtr szPassword);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetBeginSessionA' -Namespace Win32 -PassThru
# $api::JetBeginSessionA(instance, psesid, szUserName, szPassword)

#uselib "ESENT.dll"
#func global JetBeginSessionA "JetBeginSessionA" sptr, sptr, sptr, sptr
; JetBeginSessionA instance, varptr(psesid), varptr(szUserName), varptr(szPassword)   ; 戻り値は stat
; instance : JET_INSTANCE -> "sptr"
; psesid : JET_SESID* out -> "sptr"
; szUserName : CHAR* optional -> "sptr"
; szPassword : CHAR* 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。

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

var (
	esent = windows.NewLazySystemDLL("ESENT.dll")
	procJetBeginSessionA = esent.NewProc("JetBeginSessionA")
)

// instance (JET_INSTANCE), psesid (JET_SESID* out), szUserName (CHAR* optional), szPassword (CHAR* optional)
r1, _, err := procJetBeginSessionA.Call(
	uintptr(instance),
	uintptr(psesid),
	uintptr(szUserName),
	uintptr(szPassword),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetBeginSessionA(
  instance: NativeUInt;   // JET_INSTANCE
  psesid: Pointer;   // JET_SESID* out
  szUserName: Pointer;   // CHAR* optional
  szPassword: Pointer   // CHAR* optional
): Integer; stdcall;
  external 'ESENT.dll' name 'JetBeginSessionA';

result := DllCall("ESENT\JetBeginSessionA"
    , "UPtr", instance   ; JET_INSTANCE
    , "Ptr", psesid   ; JET_SESID* out
    , "Ptr", szUserName   ; CHAR* optional
    , "Ptr", szPassword   ; CHAR* optional
    , "Int")   ; return: INT

●JetBeginSessionA(instance, psesid, szUserName, szPassword) = DLL("ESENT.dll", "int JetBeginSessionA(int, void*, void*, void*)")
# 呼び出し: JetBeginSessionA(instance, psesid, szUserName, szPassword)
# instance : JET_INSTANCE -> "int"
# psesid : JET_SESID* out -> "void*"
# szUserName : CHAR* optional -> "void*"
# szPassword : CHAR* 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)。

const std = @import("std");

extern "esent" fn JetBeginSessionA(
    instance: usize, // JET_INSTANCE
    psesid: [*c]usize, // JET_SESID* out
    szUserName: [*c]i8, // CHAR* optional
    szPassword: [*c]i8 // CHAR* optional
) callconv(std.os.windows.WINAPI) i32;

proc JetBeginSessionA(
    instance: uint,  # JET_INSTANCE
    psesid: ptr uint,  # JET_SESID* out
    szUserName: ptr int8,  # CHAR* optional
    szPassword: ptr int8  # CHAR* optional
): int32 {.importc: "JetBeginSessionA", stdcall, dynlib: "ESENT.dll".}

pragma(lib, "esent");
extern(Windows)
int JetBeginSessionA(
    size_t instance,   // JET_INSTANCE
    size_t* psesid,   // JET_SESID* out
    byte* szUserName,   // CHAR* optional
    byte* szPassword   // CHAR* optional
);

ccall((:JetBeginSessionA, "ESENT.dll"), stdcall, Int32,
      (Csize_t, Ptr{Csize_t}, Ptr{Int8}, Ptr{Int8}),
      instance, psesid, szUserName, szPassword)
# instance : JET_INSTANCE -> Csize_t
# psesid : JET_SESID* out -> Ptr{Csize_t}
# szUserName : CHAR* optional -> Ptr{Int8}
# szPassword : CHAR* optional -> Ptr{Int8}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t JetBeginSessionA(
    uintptr_t instance,
    uintptr_t* psesid,
    int8_t* szUserName,
    int8_t* szPassword);
]]
local esent = ffi.load("esent")
-- esent.JetBeginSessionA(instance, psesid, szUserName, szPassword)
-- instance : JET_INSTANCE
-- psesid : JET_SESID* out
-- szUserName : CHAR* optional
-- szPassword : CHAR* optional
-- 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 JetBeginSessionA = lib.func('__stdcall', 'JetBeginSessionA', 'int32_t', ['uintptr_t', 'uintptr_t *', 'int8_t *', 'int8_t *']);
// JetBeginSessionA(instance, psesid, szUserName, szPassword)
// instance : JET_INSTANCE -> 'uintptr_t'
// psesid : JET_SESID* out -> 'uintptr_t *'
// szUserName : CHAR* optional -> 'int8_t *'
// szPassword : CHAR* optional -> 'int8_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", {
  JetBeginSessionA: { parameters: ["usize", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.JetBeginSessionA(instance, psesid, szUserName, szPassword)
// instance : JET_INSTANCE -> "usize"
// psesid : JET_SESID* out -> "pointer"
// szUserName : CHAR* optional -> "pointer"
// szPassword : CHAR* optional -> "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 JetBeginSessionA(
    size_t instance,
    size_t* psesid,
    int8_t* szUserName,
    int8_t* szPassword);
C, "ESENT.dll");
// $ffi->JetBeginSessionA(instance, psesid, szUserName, szPassword);
// instance : JET_INSTANCE
// psesid : JET_SESID* out
// szUserName : CHAR* optional
// szPassword : CHAR* optional
// 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 JetBeginSessionA(
        long instance,   // JET_INSTANCE
        LongByReference psesid,   // JET_SESID* out
        byte[] szUserName,   // CHAR* optional
        byte[] szPassword   // CHAR* optional
    );
}

@[Link("esent")]
lib LibESENT
  fun JetBeginSessionA = JetBeginSessionA(
    instance : LibC::SizeT,   # JET_INSTANCE
    psesid : LibC::SizeT*,   # JET_SESID* out
    szUserName : Int8*,   # CHAR* optional
    szPassword : Int8*   # CHAR* optional
  ) : 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 JetBeginSessionANative = Int32 Function(UintPtr, Pointer<UintPtr>, Pointer<Int8>, Pointer<Int8>);
typedef JetBeginSessionADart = int Function(int, Pointer<UintPtr>, Pointer<Int8>, Pointer<Int8>);
final JetBeginSessionA = DynamicLibrary.open('ESENT.dll')
    .lookupFunction<JetBeginSessionANative, JetBeginSessionADart>('JetBeginSessionA');
// instance : JET_INSTANCE -> UintPtr
// psesid : JET_SESID* out -> Pointer<UintPtr>
// szUserName : CHAR* optional -> Pointer<Int8>
// szPassword : CHAR* optional -> Pointer<Int8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function JetBeginSessionA(
  instance: NativeUInt;   // JET_INSTANCE
  psesid: Pointer;   // JET_SESID* out
  szUserName: Pointer;   // CHAR* optional
  szPassword: Pointer   // CHAR* optional
): Integer; stdcall;
  external 'ESENT.dll' name 'JetBeginSessionA';

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

foreign import stdcall safe "JetBeginSessionA"
  c_JetBeginSessionA :: CUIntPtr -> Ptr CUIntPtr -> Ptr Int8 -> Ptr Int8 -> IO Int32
-- instance : JET_INSTANCE -> CUIntPtr
-- psesid : JET_SESID* out -> Ptr CUIntPtr
-- szUserName : CHAR* optional -> Ptr Int8
-- szPassword : CHAR* optional -> Ptr Int8
-- 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 jetbeginsessiona =
  foreign "JetBeginSessionA"
    (size_t @-> (ptr size_t) @-> (ptr int8_t) @-> (ptr int8_t) @-> returning int32_t)
(* instance : JET_INSTANCE -> size_t *)
(* psesid : JET_SESID* out -> (ptr size_t) *)
(* szUserName : CHAR* optional -> (ptr int8_t) *)
(* szPassword : CHAR* optional -> (ptr int8_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 ("JetBeginSessionA" jet-begin-session-a :convention :stdcall) :int32
  (instance :uint64)   ; JET_INSTANCE
  (psesid :pointer)   ; JET_SESID* out
  (sz-user-name :pointer)   ; CHAR* optional
  (sz-password :pointer))   ; CHAR* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $JetBeginSessionA = Win32::API::More->new('ESENT',
    'int JetBeginSessionA(WPARAM instance, LPVOID psesid, LPVOID szUserName, LPVOID szPassword)');
# my $ret = $JetBeginSessionA->Call($instance, $psesid, $szUserName, $szPassword);
# instance : JET_INSTANCE -> WPARAM
# psesid : JET_SESID* out -> LPVOID
# szUserName : CHAR* optional -> LPVOID
# szPassword : CHAR* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。