JetDeleteTableW

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

INT JetDeleteTableW(
    JET_SESID sesid,
    DWORD dbid,
    WORD* szTableName
);

<DllImport("ESENT.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function JetDeleteTableW(
    sesid As UIntPtr,   ' JET_SESID
    dbid As UInteger,   ' DWORD
    ByRef szTableName As UShort   ' WORD*
) As Integer
End Function

' sesid : JET_SESID
' dbid : DWORD
' szTableName : WORD*
Declare PtrSafe Function JetDeleteTableW Lib "esent" ( _
    ByVal sesid As LongPtr, _
    ByVal dbid As Long, _
    ByRef szTableName As Integer) 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

JetDeleteTableW = ctypes.windll.esent.JetDeleteTableW
JetDeleteTableW.restype = ctypes.c_int
JetDeleteTableW.argtypes = [
    ctypes.c_size_t,  # sesid : JET_SESID
    wintypes.DWORD,  # dbid : DWORD
    ctypes.POINTER(ctypes.c_ushort),  # szTableName : WORD*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetDeleteTableW = Fiddle::Function.new(
  lib['JetDeleteTableW'],
  [
    Fiddle::TYPE_UINTPTR_T,  # sesid : JET_SESID
    -Fiddle::TYPE_INT,  # dbid : DWORD
    Fiddle::TYPE_VOIDP,  # szTableName : WORD*
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "esent")]
extern "system" {
    fn JetDeleteTableW(
        sesid: usize,  // JET_SESID
        dbid: u32,  // DWORD
        szTableName: *mut u16  // WORD*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Unicode)]
public static extern int JetDeleteTableW(UIntPtr sesid, uint dbid, ref ushort szTableName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetDeleteTableW' -Namespace Win32 -PassThru
# $api::JetDeleteTableW(sesid, dbid, szTableName)

#uselib "ESENT.dll"
#func global JetDeleteTableW "JetDeleteTableW" wptr, wptr, wptr
; JetDeleteTableW sesid, dbid, varptr(szTableName)   ; 戻り値は stat
; sesid : JET_SESID -> "wptr"
; dbid : DWORD -> "wptr"
; szTableName : WORD* -> "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")
	procJetDeleteTableW = esent.NewProc("JetDeleteTableW")
)

// sesid (JET_SESID), dbid (DWORD), szTableName (WORD*)
r1, _, err := procJetDeleteTableW.Call(
	uintptr(sesid),
	uintptr(dbid),
	uintptr(szTableName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetDeleteTableW(
  sesid: NativeUInt;   // JET_SESID
  dbid: DWORD;   // DWORD
  szTableName: Pointer   // WORD*
): Integer; stdcall;
  external 'ESENT.dll' name 'JetDeleteTableW';

result := DllCall("ESENT\JetDeleteTableW"
    , "UPtr", sesid   ; JET_SESID
    , "UInt", dbid   ; DWORD
    , "Ptr", szTableName   ; WORD*
    , "Int")   ; return: INT

●JetDeleteTableW(sesid, dbid, szTableName) = DLL("ESENT.dll", "int JetDeleteTableW(int, dword, void*)")
# 呼び出し: JetDeleteTableW(sesid, dbid, szTableName)
# sesid : JET_SESID -> "int"
# dbid : DWORD -> "dword"
# szTableName : WORD* -> "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)。
# ※-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 JetDeleteTableW(
    sesid: usize, // JET_SESID
    dbid: u32, // DWORD
    szTableName: [*c]u16 // WORD*
) 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 JetDeleteTableW(
    sesid: uint,  # JET_SESID
    dbid: uint32,  # DWORD
    szTableName: ptr uint16  # WORD*
): int32 {.importc: "JetDeleteTableW", stdcall, dynlib: "ESENT.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "esent");
extern(Windows)
int JetDeleteTableW(
    size_t sesid,   // JET_SESID
    uint dbid,   // DWORD
    ushort* szTableName   // WORD*
);

ccall((:JetDeleteTableW, "ESENT.dll"), stdcall, Int32,
      (Csize_t, UInt32, Ptr{UInt16}),
      sesid, dbid, szTableName)
# sesid : JET_SESID -> Csize_t
# dbid : DWORD -> UInt32
# szTableName : WORD* -> Ptr{UInt16}
# 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 JetDeleteTableW(
    uintptr_t sesid,
    uint32_t dbid,
    uint16_t* szTableName);
]]
local esent = ffi.load("esent")
-- esent.JetDeleteTableW(sesid, dbid, szTableName)
-- sesid : JET_SESID
-- dbid : DWORD
-- szTableName : WORD*
-- 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 JetDeleteTableW = lib.func('__stdcall', 'JetDeleteTableW', 'int32_t', ['uintptr_t', 'uint32_t', 'uint16_t *']);
// JetDeleteTableW(sesid, dbid, szTableName)
// sesid : JET_SESID -> 'uintptr_t'
// dbid : DWORD -> 'uint32_t'
// szTableName : WORD* -> 'uint16_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", {
  JetDeleteTableW: { parameters: ["usize", "u32", "pointer"], result: "i32" },
});
// lib.symbols.JetDeleteTableW(sesid, dbid, szTableName)
// sesid : JET_SESID -> "usize"
// dbid : DWORD -> "u32"
// szTableName : WORD* -> "pointer"
// 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 JetDeleteTableW(
    size_t sesid,
    uint32_t dbid,
    uint16_t* szTableName);
C, "ESENT.dll");
// $ffi->JetDeleteTableW(sesid, dbid, szTableName);
// sesid : JET_SESID
// dbid : DWORD
// szTableName : WORD*
// 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 JetDeleteTableW(
        long sesid,   // JET_SESID
        int dbid,   // DWORD
        ShortByReference szTableName   // WORD*
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("esent")]
lib LibESENT
  fun JetDeleteTableW = JetDeleteTableW(
    sesid : LibC::SizeT,   # JET_SESID
    dbid : UInt32,   # DWORD
    szTableName : UInt16*   # WORD*
  ) : 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 JetDeleteTableWNative = Int32 Function(UintPtr, Uint32, Pointer<Uint16>);
typedef JetDeleteTableWDart = int Function(int, int, Pointer<Uint16>);
final JetDeleteTableW = DynamicLibrary.open('ESENT.dll')
    .lookupFunction<JetDeleteTableWNative, JetDeleteTableWDart>('JetDeleteTableW');
// sesid : JET_SESID -> UintPtr
// dbid : DWORD -> Uint32
// szTableName : WORD* -> Pointer<Uint16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function JetDeleteTableW(
  sesid: NativeUInt;   // JET_SESID
  dbid: DWORD;   // DWORD
  szTableName: Pointer   // WORD*
): Integer; stdcall;
  external 'ESENT.dll' name 'JetDeleteTableW';

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

foreign import stdcall safe "JetDeleteTableW"
  c_JetDeleteTableW :: CUIntPtr -> Word32 -> Ptr Word16 -> IO Int32
-- sesid : JET_SESID -> CUIntPtr
-- dbid : DWORD -> Word32
-- szTableName : WORD* -> Ptr Word16
-- 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 jetdeletetablew =
  foreign "JetDeleteTableW"
    (size_t @-> uint32_t @-> (ptr uint16_t) @-> returning int32_t)
(* sesid : JET_SESID -> size_t *)
(* dbid : DWORD -> uint32_t *)
(* szTableName : WORD* -> (ptr uint16_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 ("JetDeleteTableW" jet-delete-table-w :convention :stdcall) :int32
  (sesid :uint64)   ; JET_SESID
  (dbid :uint32)   ; DWORD
  (sz-table-name :pointer))   ; WORD*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $JetDeleteTableW = Win32::API::More->new('ESENT',
    'int JetDeleteTableW(WPARAM sesid, DWORD dbid, LPVOID szTableName)');
# my $ret = $JetDeleteTableW->Call($sesid, $dbid, $szTableName);
# sesid : JET_SESID -> WPARAM
# dbid : DWORD -> DWORD
# szTableName : WORD* -> LPVOID
# 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。