ber_next_element

// WLDAP32.dll
#include <windows.h>

DWORD ber_next_element(
    BerElement* pBerElement,
    DWORD* pLen,
    LPSTR opaque
);

<DllImport("WLDAP32.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ber_next_element(
    pBerElement As IntPtr,   ' BerElement* in/out
    ByRef pLen As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPStr)> opaque As String   ' LPSTR
) As UInteger
End Function

' pBerElement : BerElement* in/out
' pLen : DWORD* in/out
' opaque : LPSTR
Declare PtrSafe Function ber_next_element Lib "wldap32" ( _
    ByVal pBerElement As LongPtr, _
    ByRef pLen As Long, _
    ByVal opaque As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ber_next_element = ctypes.cdll.wldap32.ber_next_element
ber_next_element.restype = wintypes.DWORD
ber_next_element.argtypes = [
    ctypes.c_void_p,  # pBerElement : BerElement* in/out
    ctypes.POINTER(wintypes.DWORD),  # pLen : DWORD* in/out
    wintypes.LPCSTR,  # opaque : LPSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WLDAP32.dll')
ber_next_element = Fiddle::Function.new(
  lib['ber_next_element'],
  [
    Fiddle::TYPE_VOIDP,  # pBerElement : BerElement* in/out
    Fiddle::TYPE_VOIDP,  # pLen : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # opaque : LPSTR
  ],
  -Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "wldap32")]
extern "C" {
    fn ber_next_element(
        pBerElement: *mut BerElement,  // BerElement* in/out
        pLen: *mut u32,  // DWORD* in/out
        opaque: *mut u8  // LPSTR
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WLDAP32.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern uint ber_next_element(IntPtr pBerElement, ref uint pLen, [MarshalAs(UnmanagedType.LPStr)] string opaque);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WLDAP32_ber_next_element' -Namespace Win32 -PassThru
# $api::ber_next_element(pBerElement, pLen, opaque)

#uselib "WLDAP32.dll"
#func global ber_next_element "ber_next_element" sptr, sptr, sptr
; ber_next_element varptr(pBerElement), varptr(pLen), opaque   ; 戻り値は stat
; pBerElement : BerElement* in/out -> "sptr"
; pLen : DWORD* in/out -> "sptr"
; opaque : LPSTR -> "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 (
	wldap32 = windows.NewLazySystemDLL("WLDAP32.dll")
	procber_next_element = wldap32.NewProc("ber_next_element")
)

// pBerElement (BerElement* in/out), pLen (DWORD* in/out), opaque (LPSTR)
r1, _, err := procber_next_element.Call(
	uintptr(pBerElement),
	uintptr(pLen),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(opaque))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ber_next_element(
  pBerElement: Pointer;   // BerElement* in/out
  pLen: Pointer;   // DWORD* in/out
  opaque: PAnsiChar   // LPSTR
): DWORD; cdecl;
  external 'WLDAP32.dll' name 'ber_next_element';

result := DllCall("WLDAP32\ber_next_element"
    , "Ptr", pBerElement   ; BerElement* in/out
    , "Ptr", pLen   ; DWORD* in/out
    , "AStr", opaque   ; LPSTR
    , "Cdecl UInt")   ; return: DWORD

●ber_next_element(pBerElement, pLen, opaque) = DLL("WLDAP32.dll", "dword ber_next_element(void*, void*, char*)")
# 呼び出し: ber_next_element(pBerElement, pLen, opaque)
# pBerElement : BerElement* in/out -> "void*"
# pLen : DWORD* in/out -> "void*"
# opaque : LPSTR -> "char*"
# 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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。

const std = @import("std");

extern "wldap32" fn ber_next_element(
    pBerElement: [*c]BerElement, // BerElement* in/out
    pLen: [*c]u32, // DWORD* in/out
    opaque: [*c]const u8 // LPSTR
) callconv(.c) u32;

proc ber_next_element(
    pBerElement: ptr BerElement,  # BerElement* in/out
    pLen: ptr uint32,  # DWORD* in/out
    opaque: cstring  # LPSTR
): uint32 {.importc: "ber_next_element", cdecl, dynlib: "WLDAP32.dll".}

pragma(lib, "wldap32");
extern(C)
uint ber_next_element(
    BerElement* pBerElement,   // BerElement* in/out
    uint* pLen,   // DWORD* in/out
    const(char)* opaque   // LPSTR
);

ccall((:ber_next_element, "WLDAP32.dll"), UInt32,
      (Ptr{BerElement}, Ptr{UInt32}, Cstring),
      pBerElement, pLen, opaque)
# pBerElement : BerElement* in/out -> Ptr{BerElement}
# pLen : DWORD* in/out -> Ptr{UInt32}
# opaque : LPSTR -> Cstring

local ffi = require("ffi")
ffi.cdef[[
uint32_t ber_next_element(
    void* pBerElement,
    uint32_t* pLen,
    const char* opaque);
]]
local wldap32 = ffi.load("wldap32")
-- wldap32.ber_next_element(pBerElement, pLen, opaque)
-- pBerElement : BerElement* in/out
-- pLen : DWORD* in/out
-- opaque : LPSTR
-- 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('WLDAP32.dll');
const ber_next_element = lib.func('__cdecl', 'ber_next_element', 'uint32_t', ['void *', 'uint32_t *', 'str']);
// ber_next_element(pBerElement, pLen, opaque)
// pBerElement : BerElement* in/out -> 'void *'
// pLen : DWORD* in/out -> 'uint32_t *'
// opaque : LPSTR -> 'str'
// 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("WLDAP32.dll", {
  ber_next_element: { parameters: ["pointer", "pointer", "buffer"], result: "u32" },
});
// lib.symbols.ber_next_element(pBerElement, pLen, opaque)
// pBerElement : BerElement* in/out -> "pointer"
// pLen : DWORD* in/out -> "pointer"
// opaque : LPSTR -> "buffer"
// 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
uint32_t ber_next_element(
    void* pBerElement,
    uint32_t* pLen,
    const char* opaque);
C, "WLDAP32.dll");
// $ffi->ber_next_element(pBerElement, pLen, opaque);
// pBerElement : BerElement* in/out
// pLen : DWORD* in/out
// opaque : LPSTR
// 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。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Wldap32 extends Library {
    Wldap32 INSTANCE = Native.load("wldap32", Wldap32.class);
    int ber_next_element(
        Pointer pBerElement,   // BerElement* in/out
        IntByReference pLen,   // DWORD* in/out
        String opaque   // LPSTR
    );
}

@[Link("wldap32")]
lib LibWLDAP32
  fun ber_next_element = ber_next_element(
    pBerElement : BerElement*,   # BerElement* in/out
    pLen : UInt32*,   # DWORD* in/out
    opaque : UInt8*   # LPSTR
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef ber_next_elementNative = Uint32 Function(Pointer<Void>, Pointer<Uint32>, Pointer<Utf8>);
typedef ber_next_elementDart = int Function(Pointer<Void>, Pointer<Uint32>, Pointer<Utf8>);
final ber_next_element = DynamicLibrary.open('WLDAP32.dll')
    .lookupFunction<ber_next_elementNative, ber_next_elementDart>('ber_next_element');
// pBerElement : BerElement* in/out -> Pointer<Void>
// pLen : DWORD* in/out -> Pointer<Uint32>
// opaque : LPSTR -> Pointer<Utf8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ber_next_element(
  pBerElement: Pointer;   // BerElement* in/out
  pLen: Pointer;   // DWORD* in/out
  opaque: PAnsiChar   // LPSTR
): DWORD; cdecl;
  external 'WLDAP32.dll' name 'ber_next_element';

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

foreign import ccall safe "ber_next_element"
  c_ber_next_element :: Ptr () -> Ptr Word32 -> CString -> IO Word32
-- pBerElement : BerElement* in/out -> Ptr ()
-- pLen : DWORD* in/out -> Ptr Word32
-- opaque : LPSTR -> CString
-- 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 ber_next_element =
  foreign "ber_next_element"
    ((ptr void) @-> (ptr uint32_t) @-> string @-> returning uint32_t)
(* pBerElement : BerElement* in/out -> (ptr void) *)
(* pLen : DWORD* in/out -> (ptr uint32_t) *)
(* opaque : LPSTR -> string *)
(* 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 wldap32 (t "WLDAP32.dll"))
(cffi:use-foreign-library wldap32)

(cffi:defcfun ("ber_next_element" ber-next-element :convention :cdecl) :uint32
  (p-ber-element :pointer)   ; BerElement* in/out
  (p-len :pointer)   ; DWORD* in/out
  (opaque :string))   ; LPSTR
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ber_next_element = Win32::API::More->new('WLDAP32',
    'DWORD ber_next_element(LPVOID pBerElement, LPVOID pLen, LPCSTR opaque)');
# my $ret = $ber_next_element->Call($pBerElement, $pLen, $opaque);
# pBerElement : BerElement* in/out -> LPVOID
# pLen : DWORD* in/out -> LPVOID
# opaque : LPSTR -> LPCSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。