ldap_get_values_len

// WLDAP32.dll  (ANSI / -A)
#include <windows.h>

LDAP_BERVAL** ldap_get_values_len(
    LDAP* ExternalHandle,
    LDAPMessage* Message,
    LPCSTR attr
);

<DllImport("WLDAP32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ldap_get_values_len(
    ExternalHandle As IntPtr,   ' LDAP* in/out
    Message As IntPtr,   ' LDAPMessage* in/out
    <MarshalAs(UnmanagedType.LPStr)> attr As String   ' LPCSTR
) As IntPtr
End Function

' ExternalHandle : LDAP* in/out
' Message : LDAPMessage* in/out
' attr : LPCSTR
Declare PtrSafe Function ldap_get_values_len Lib "wldap32" ( _
    ByVal ExternalHandle As LongPtr, _
    ByVal Message As LongPtr, _
    ByVal attr As String) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ldap_get_values_len = ctypes.cdll.wldap32.ldap_get_values_len
ldap_get_values_len.restype = ctypes.c_void_p
ldap_get_values_len.argtypes = [
    ctypes.c_void_p,  # ExternalHandle : LDAP* in/out
    ctypes.c_void_p,  # Message : LDAPMessage* in/out
    wintypes.LPCSTR,  # attr : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WLDAP32.dll')
ldap_get_values_len = Fiddle::Function.new(
  lib['ldap_get_values_len'],
  [
    Fiddle::TYPE_VOIDP,  # ExternalHandle : LDAP* in/out
    Fiddle::TYPE_VOIDP,  # Message : LDAPMessage* in/out
    Fiddle::TYPE_VOIDP,  # attr : LPCSTR
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "wldap32")]
extern "C" {
    fn ldap_get_values_len(
        ExternalHandle: *mut LDAP,  // LDAP* in/out
        Message: *mut LDAPMessage,  // LDAPMessage* in/out
        attr: *const u8  // LPCSTR
    ) -> *mut *mut LDAP_BERVAL;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WLDAP32.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr ldap_get_values_len(IntPtr ExternalHandle, IntPtr Message, [MarshalAs(UnmanagedType.LPStr)] string attr);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WLDAP32_ldap_get_values_len' -Namespace Win32 -PassThru
# $api::ldap_get_values_len(ExternalHandle, Message, attr)

#uselib "WLDAP32.dll"
#func global ldap_get_values_len "ldap_get_values_len" sptr, sptr, sptr
; ldap_get_values_len varptr(ExternalHandle), varptr(Message), attr   ; 戻り値は stat
; ExternalHandle : LDAP* in/out -> "sptr"
; Message : LDAPMessage* in/out -> "sptr"
; attr : LPCSTR -> "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")
	procldap_get_values_len = wldap32.NewProc("ldap_get_values_len")
)

// ExternalHandle (LDAP* in/out), Message (LDAPMessage* in/out), attr (LPCSTR)
r1, _, err := procldap_get_values_len.Call(
	uintptr(ExternalHandle),
	uintptr(Message),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(attr))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LDAP_BERVAL**

function ldap_get_values_len(
  ExternalHandle: Pointer;   // LDAP* in/out
  Message: Pointer;   // LDAPMessage* in/out
  attr: PAnsiChar   // LPCSTR
): Pointer; cdecl;
  external 'WLDAP32.dll' name 'ldap_get_values_len';

result := DllCall("WLDAP32\ldap_get_values_len"
    , "Ptr", ExternalHandle   ; LDAP* in/out
    , "Ptr", Message   ; LDAPMessage* in/out
    , "AStr", attr   ; LPCSTR
    , "Cdecl Ptr")   ; return: LDAP_BERVAL**

●ldap_get_values_len(ExternalHandle, Message, attr) = DLL("WLDAP32.dll", "void* ldap_get_values_len(void*, void*, char*)")
# 呼び出し: ldap_get_values_len(ExternalHandle, Message, attr)
# ExternalHandle : LDAP* in/out -> "void*"
# Message : LDAPMessage* in/out -> "void*"
# attr : LPCSTR -> "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 ldap_get_values_len(
    ExternalHandle: [*c]LDAP, // LDAP* in/out
    Message: [*c]LDAPMessage, // LDAPMessage* in/out
    attr: [*c]const u8 // LPCSTR
) callconv(.c) [*c][*c]LDAP_BERVAL;

proc ldap_get_values_len(
    ExternalHandle: ptr LDAP,  # LDAP* in/out
    Message: ptr LDAPMessage,  # LDAPMessage* in/out
    attr: cstring  # LPCSTR
): ptr LDAP_BERVAL {.importc: "ldap_get_values_len", cdecl, dynlib: "WLDAP32.dll".}

pragma(lib, "wldap32");
extern(C)
LDAP_BERVAL** ldap_get_values_len(
    LDAP* ExternalHandle,   // LDAP* in/out
    LDAPMessage* Message,   // LDAPMessage* in/out
    const(char)* attr   // LPCSTR
);

ccall((:ldap_get_values_len, "WLDAP32.dll"), Ptr{LDAP_BERVAL},
      (Ptr{LDAP}, Ptr{LDAPMessage}, Cstring),
      ExternalHandle, Message, attr)
# ExternalHandle : LDAP* in/out -> Ptr{LDAP}
# Message : LDAPMessage* in/out -> Ptr{LDAPMessage}
# attr : LPCSTR -> Cstring

local ffi = require("ffi")
ffi.cdef[[
void* ldap_get_values_len(
    void* ExternalHandle,
    void* Message,
    const char* attr);
]]
local wldap32 = ffi.load("wldap32")
-- wldap32.ldap_get_values_len(ExternalHandle, Message, attr)
-- ExternalHandle : LDAP* in/out
-- Message : LDAPMessage* in/out
-- attr : LPCSTR
-- 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 ldap_get_values_len = lib.func('__cdecl', 'ldap_get_values_len', 'void *', ['void *', 'void *', 'str']);
// ldap_get_values_len(ExternalHandle, Message, attr)
// ExternalHandle : LDAP* in/out -> 'void *'
// Message : LDAPMessage* in/out -> 'void *'
// attr : LPCSTR -> '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", {
  ldap_get_values_len: { parameters: ["pointer", "pointer", "buffer"], result: "pointer" },
});
// lib.symbols.ldap_get_values_len(ExternalHandle, Message, attr)
// ExternalHandle : LDAP* in/out -> "pointer"
// Message : LDAPMessage* in/out -> "pointer"
// attr : LPCSTR -> "buffer"
// 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
void* ldap_get_values_len(
    void* ExternalHandle,
    void* Message,
    const char* attr);
C, "WLDAP32.dll");
// $ffi->ldap_get_values_len(ExternalHandle, Message, attr);
// ExternalHandle : LDAP* in/out
// Message : LDAPMessage* in/out
// attr : LPCSTR
// 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, W32APIOptions.ASCII_OPTIONS);
    Pointer ldap_get_values_len(
        Pointer ExternalHandle,   // LDAP* in/out
        Pointer Message,   // LDAPMessage* in/out
        String attr   // LPCSTR
    );
}

@[Link("wldap32")]
lib LibWLDAP32
  fun ldap_get_values_len = ldap_get_values_len(
    ExternalHandle : LDAP*,   # LDAP* in/out
    Message : LDAPMessage*,   # LDAPMessage* in/out
    attr : UInt8*   # LPCSTR
  ) : LDAP_BERVAL**
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 ldap_get_values_lenNative = Pointer<Void> Function(Pointer<Void>, Pointer<Void>, Pointer<Utf8>);
typedef ldap_get_values_lenDart = Pointer<Void> Function(Pointer<Void>, Pointer<Void>, Pointer<Utf8>);
final ldap_get_values_len = DynamicLibrary.open('WLDAP32.dll')
    .lookupFunction<ldap_get_values_lenNative, ldap_get_values_lenDart>('ldap_get_values_len');
// ExternalHandle : LDAP* in/out -> Pointer<Void>
// Message : LDAPMessage* in/out -> Pointer<Void>
// attr : LPCSTR -> Pointer<Utf8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ldap_get_values_len(
  ExternalHandle: Pointer;   // LDAP* in/out
  Message: Pointer;   // LDAPMessage* in/out
  attr: PAnsiChar   // LPCSTR
): Pointer; cdecl;
  external 'WLDAP32.dll' name 'ldap_get_values_len';

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

foreign import ccall safe "ldap_get_values_len"
  c_ldap_get_values_len :: Ptr () -> Ptr () -> CString -> IO (Ptr ())
-- ExternalHandle : LDAP* in/out -> Ptr ()
-- Message : LDAPMessage* in/out -> Ptr ()
-- attr : LPCSTR -> 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 ldap_get_values_len =
  foreign "ldap_get_values_len"
    ((ptr void) @-> (ptr void) @-> string @-> returning (ptr void))
(* ExternalHandle : LDAP* in/out -> (ptr void) *)
(* Message : LDAPMessage* in/out -> (ptr void) *)
(* attr : LPCSTR -> 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 ("ldap_get_values_len" ldap-get-values-len :convention :cdecl) :pointer
  (external-handle :pointer)   ; LDAP* in/out
  (message :pointer)   ; LDAPMessage* in/out
  (attr :string))   ; LPCSTR
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ldap_get_values_len = Win32::API::More->new('WLDAP32',
    'LPVOID ldap_get_values_len(LPVOID ExternalHandle, LPVOID Message, LPCSTR attr)');
# my $ret = $ldap_get_values_len->Call($ExternalHandle, $Message, $attr);
# ExternalHandle : LDAP* in/out -> LPVOID
# Message : LDAPMessage* in/out -> LPVOID
# attr : LPCSTR -> LPCSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。