JetDeleteColumnA

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

INT JetDeleteColumnA(
    JET_SESID sesid,
    JET_TABLEID tableid,
    CHAR* szColumnName
);

<DllImport("ESENT.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function JetDeleteColumnA(
    sesid As UIntPtr,   ' JET_SESID
    tableid As UIntPtr,   ' JET_TABLEID
    szColumnName As IntPtr   ' CHAR*
) As Integer
End Function

' sesid : JET_SESID
' tableid : JET_TABLEID
' szColumnName : CHAR*
Declare PtrSafe Function JetDeleteColumnA Lib "esent" ( _
    ByVal sesid As LongPtr, _
    ByVal tableid As LongPtr, _
    ByVal szColumnName 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

JetDeleteColumnA = ctypes.windll.esent.JetDeleteColumnA
JetDeleteColumnA.restype = ctypes.c_int
JetDeleteColumnA.argtypes = [
    ctypes.c_size_t,  # sesid : JET_SESID
    ctypes.c_size_t,  # tableid : JET_TABLEID
    ctypes.POINTER(ctypes.c_byte),  # szColumnName : CHAR*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetDeleteColumnA = Fiddle::Function.new(
  lib['JetDeleteColumnA'],
  [
    Fiddle::TYPE_UINTPTR_T,  # sesid : JET_SESID
    Fiddle::TYPE_UINTPTR_T,  # tableid : JET_TABLEID
    Fiddle::TYPE_VOIDP,  # szColumnName : CHAR*
  ],
  Fiddle::TYPE_INT)

#[link(name = "esent")]
extern "system" {
    fn JetDeleteColumnA(
        sesid: usize,  // JET_SESID
        tableid: usize,  // JET_TABLEID
        szColumnName: *mut i8  // CHAR*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Ansi)]
public static extern int JetDeleteColumnA(UIntPtr sesid, UIntPtr tableid, IntPtr szColumnName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetDeleteColumnA' -Namespace Win32 -PassThru
# $api::JetDeleteColumnA(sesid, tableid, szColumnName)

#uselib "ESENT.dll"
#func global JetDeleteColumnA "JetDeleteColumnA" sptr, sptr, sptr
; JetDeleteColumnA sesid, tableid, varptr(szColumnName)   ; 戻り値は stat
; sesid : JET_SESID -> "sptr"
; tableid : JET_TABLEID -> "sptr"
; szColumnName : CHAR* -> "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")
	procJetDeleteColumnA = esent.NewProc("JetDeleteColumnA")
)

// sesid (JET_SESID), tableid (JET_TABLEID), szColumnName (CHAR*)
r1, _, err := procJetDeleteColumnA.Call(
	uintptr(sesid),
	uintptr(tableid),
	uintptr(szColumnName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetDeleteColumnA(
  sesid: NativeUInt;   // JET_SESID
  tableid: NativeUInt;   // JET_TABLEID
  szColumnName: Pointer   // CHAR*
): Integer; stdcall;
  external 'ESENT.dll' name 'JetDeleteColumnA';

result := DllCall("ESENT\JetDeleteColumnA"
    , "UPtr", sesid   ; JET_SESID
    , "UPtr", tableid   ; JET_TABLEID
    , "Ptr", szColumnName   ; CHAR*
    , "Int")   ; return: INT

●JetDeleteColumnA(sesid, tableid, szColumnName) = DLL("ESENT.dll", "int JetDeleteColumnA(int, int, void*)")
# 呼び出し: JetDeleteColumnA(sesid, tableid, szColumnName)
# sesid : JET_SESID -> "int"
# tableid : JET_TABLEID -> "int"
# szColumnName : CHAR* -> "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 JetDeleteColumnA(
    sesid: usize, // JET_SESID
    tableid: usize, // JET_TABLEID
    szColumnName: [*c]i8 // CHAR*
) callconv(std.os.windows.WINAPI) i32;

proc JetDeleteColumnA(
    sesid: uint,  # JET_SESID
    tableid: uint,  # JET_TABLEID
    szColumnName: ptr int8  # CHAR*
): int32 {.importc: "JetDeleteColumnA", stdcall, dynlib: "ESENT.dll".}

pragma(lib, "esent");
extern(Windows)
int JetDeleteColumnA(
    size_t sesid,   // JET_SESID
    size_t tableid,   // JET_TABLEID
    byte* szColumnName   // CHAR*
);

ccall((:JetDeleteColumnA, "ESENT.dll"), stdcall, Int32,
      (Csize_t, Csize_t, Ptr{Int8}),
      sesid, tableid, szColumnName)
# sesid : JET_SESID -> Csize_t
# tableid : JET_TABLEID -> Csize_t
# szColumnName : CHAR* -> 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 JetDeleteColumnA(
    uintptr_t sesid,
    uintptr_t tableid,
    int8_t* szColumnName);
]]
local esent = ffi.load("esent")
-- esent.JetDeleteColumnA(sesid, tableid, szColumnName)
-- sesid : JET_SESID
-- tableid : JET_TABLEID
-- szColumnName : CHAR*
-- 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 JetDeleteColumnA = lib.func('__stdcall', 'JetDeleteColumnA', 'int32_t', ['uintptr_t', 'uintptr_t', 'int8_t *']);
// JetDeleteColumnA(sesid, tableid, szColumnName)
// sesid : JET_SESID -> 'uintptr_t'
// tableid : JET_TABLEID -> 'uintptr_t'
// szColumnName : CHAR* -> '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", {
  JetDeleteColumnA: { parameters: ["usize", "usize", "pointer"], result: "i32" },
});
// lib.symbols.JetDeleteColumnA(sesid, tableid, szColumnName)
// sesid : JET_SESID -> "usize"
// tableid : JET_TABLEID -> "usize"
// szColumnName : CHAR* -> "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 JetDeleteColumnA(
    size_t sesid,
    size_t tableid,
    int8_t* szColumnName);
C, "ESENT.dll");
// $ffi->JetDeleteColumnA(sesid, tableid, szColumnName);
// sesid : JET_SESID
// tableid : JET_TABLEID
// szColumnName : CHAR*
// 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 JetDeleteColumnA(
        long sesid,   // JET_SESID
        long tableid,   // JET_TABLEID
        byte[] szColumnName   // CHAR*
    );
}

@[Link("esent")]
lib LibESENT
  fun JetDeleteColumnA = JetDeleteColumnA(
    sesid : LibC::SizeT,   # JET_SESID
    tableid : LibC::SizeT,   # JET_TABLEID
    szColumnName : Int8*   # CHAR*
  ) : 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 JetDeleteColumnANative = Int32 Function(UintPtr, UintPtr, Pointer<Int8>);
typedef JetDeleteColumnADart = int Function(int, int, Pointer<Int8>);
final JetDeleteColumnA = DynamicLibrary.open('ESENT.dll')
    .lookupFunction<JetDeleteColumnANative, JetDeleteColumnADart>('JetDeleteColumnA');
// sesid : JET_SESID -> UintPtr
// tableid : JET_TABLEID -> UintPtr
// szColumnName : CHAR* -> Pointer<Int8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function JetDeleteColumnA(
  sesid: NativeUInt;   // JET_SESID
  tableid: NativeUInt;   // JET_TABLEID
  szColumnName: Pointer   // CHAR*
): Integer; stdcall;
  external 'ESENT.dll' name 'JetDeleteColumnA';

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

foreign import stdcall safe "JetDeleteColumnA"
  c_JetDeleteColumnA :: CUIntPtr -> CUIntPtr -> Ptr Int8 -> IO Int32
-- sesid : JET_SESID -> CUIntPtr
-- tableid : JET_TABLEID -> CUIntPtr
-- szColumnName : CHAR* -> 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 jetdeletecolumna =
  foreign "JetDeleteColumnA"
    (size_t @-> size_t @-> (ptr int8_t) @-> returning int32_t)
(* sesid : JET_SESID -> size_t *)
(* tableid : JET_TABLEID -> size_t *)
(* szColumnName : CHAR* -> (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 ("JetDeleteColumnA" jet-delete-column-a :convention :stdcall) :int32
  (sesid :uint64)   ; JET_SESID
  (tableid :uint64)   ; JET_TABLEID
  (sz-column-name :pointer))   ; CHAR*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $JetDeleteColumnA = Win32::API::More->new('ESENT',
    'int JetDeleteColumnA(WPARAM sesid, WPARAM tableid, LPVOID szColumnName)');
# my $ret = $JetDeleteColumnA->Call($sesid, $tableid, $szColumnName);
# sesid : JET_SESID -> WPARAM
# tableid : JET_TABLEID -> WPARAM
# szColumnName : CHAR* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。