JetBeginExternalBackup

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

INT JetBeginExternalBackup(
    DWORD grbit
);

<DllImport("ESENT.dll", ExactSpelling:=True)>
Public Shared Function JetBeginExternalBackup(
    grbit As UInteger   ' DWORD
) As Integer
End Function

' grbit : DWORD
Declare PtrSafe Function JetBeginExternalBackup Lib "esent" ( _
    ByVal grbit As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

JetBeginExternalBackup = ctypes.windll.esent.JetBeginExternalBackup
JetBeginExternalBackup.restype = ctypes.c_int
JetBeginExternalBackup.argtypes = [
    wintypes.DWORD,  # grbit : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetBeginExternalBackup = Fiddle::Function.new(
  lib['JetBeginExternalBackup'],
  [
    -Fiddle::TYPE_INT,  # grbit : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "esent")]
extern "system" {
    fn JetBeginExternalBackup(
        grbit: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll")]
public static extern int JetBeginExternalBackup(uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetBeginExternalBackup' -Namespace Win32 -PassThru
# $api::JetBeginExternalBackup(grbit)

#uselib "ESENT.dll"
#func global JetBeginExternalBackup "JetBeginExternalBackup" sptr
; JetBeginExternalBackup grbit   ; 戻り値は stat
; grbit : DWORD -> "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 "ESENT.dll"
#cfunc global JetBeginExternalBackup "JetBeginExternalBackup" int
; res = JetBeginExternalBackup(grbit)
; grbit : DWORD -> "int"

; INT JetBeginExternalBackup(DWORD grbit)
#uselib "ESENT.dll"
#cfunc global JetBeginExternalBackup "JetBeginExternalBackup" int
; res = JetBeginExternalBackup(grbit)
; grbit : DWORD -> "int"

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

var (
	esent = windows.NewLazySystemDLL("ESENT.dll")
	procJetBeginExternalBackup = esent.NewProc("JetBeginExternalBackup")
)

// grbit (DWORD)
r1, _, err := procJetBeginExternalBackup.Call(
	uintptr(grbit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetBeginExternalBackup(
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetBeginExternalBackup';

result := DllCall("ESENT\JetBeginExternalBackup"
    , "UInt", grbit   ; DWORD
    , "Int")   ; return: INT

●JetBeginExternalBackup(grbit) = DLL("ESENT.dll", "int JetBeginExternalBackup(dword)")
# 呼び出し: JetBeginExternalBackup(grbit)
# 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)。

const std = @import("std");

extern "esent" fn JetBeginExternalBackup(
    grbit: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc JetBeginExternalBackup(
    grbit: uint32  # DWORD
): int32 {.importc: "JetBeginExternalBackup", stdcall, dynlib: "ESENT.dll".}

pragma(lib, "esent");
extern(Windows)
int JetBeginExternalBackup(
    uint grbit   // DWORD
);

ccall((:JetBeginExternalBackup, "ESENT.dll"), stdcall, Int32,
      (UInt32,),
      grbit)
# grbit : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t JetBeginExternalBackup(
    uint32_t grbit);
]]
local esent = ffi.load("esent")
-- esent.JetBeginExternalBackup(grbit)
-- 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。

const koffi = require('koffi');
const lib = koffi.load('ESENT.dll');
const JetBeginExternalBackup = lib.func('__stdcall', 'JetBeginExternalBackup', 'int32_t', ['uint32_t']);
// JetBeginExternalBackup(grbit)
// 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", {
  JetBeginExternalBackup: { parameters: ["u32"], result: "i32" },
});
// lib.symbols.JetBeginExternalBackup(grbit)
// grbit : DWORD -> "u32"
// 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 JetBeginExternalBackup(
    uint32_t grbit);
C, "ESENT.dll");
// $ffi->JetBeginExternalBackup(grbit);
// 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);
    int JetBeginExternalBackup(
        int grbit   // DWORD
    );
}

@[Link("esent")]
lib LibESENT
  fun JetBeginExternalBackup = JetBeginExternalBackup(
    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 JetBeginExternalBackupNative = Int32 Function(Uint32);
typedef JetBeginExternalBackupDart = int Function(int);
final JetBeginExternalBackup = DynamicLibrary.open('ESENT.dll')
    .lookupFunction<JetBeginExternalBackupNative, JetBeginExternalBackupDart>('JetBeginExternalBackup');
// grbit : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function JetBeginExternalBackup(
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetBeginExternalBackup';

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

foreign import stdcall safe "JetBeginExternalBackup"
  c_JetBeginExternalBackup :: Word32 -> IO Int32
-- 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 jetbeginexternalbackup =
  foreign "JetBeginExternalBackup"
    (uint32_t @-> returning int32_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 ("JetBeginExternalBackup" jet-begin-external-backup :convention :stdcall) :int32
  (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 $JetBeginExternalBackup = Win32::API::More->new('ESENT',
    'int JetBeginExternalBackup(DWORD grbit)');
# my $ret = $JetBeginExternalBackup->Call($grbit);
# 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。