ldap_initA

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

LDAP* ldap_initA(
    LPCSTR HostName,
    DWORD PortNumber
);

<DllImport("WLDAP32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ldap_initA(
    <MarshalAs(UnmanagedType.LPStr)> HostName As String,   ' LPCSTR
    PortNumber As UInteger   ' DWORD
) As IntPtr
End Function

' HostName : LPCSTR
' PortNumber : DWORD
Declare PtrSafe Function ldap_initA Lib "wldap32" ( _
    ByVal HostName As String, _
    ByVal PortNumber As Long) 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_initA = ctypes.cdll.wldap32.ldap_initA
ldap_initA.restype = ctypes.c_void_p
ldap_initA.argtypes = [
    wintypes.LPCSTR,  # HostName : LPCSTR
    wintypes.DWORD,  # PortNumber : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WLDAP32.dll')
ldap_initA = Fiddle::Function.new(
  lib['ldap_initA'],
  [
    Fiddle::TYPE_VOIDP,  # HostName : LPCSTR
    -Fiddle::TYPE_INT,  # PortNumber : DWORD
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "wldap32")]
extern "C" {
    fn ldap_initA(
        HostName: *const u8,  // LPCSTR
        PortNumber: u32  // DWORD
    ) -> *mut LDAP;
}
// 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_initA([MarshalAs(UnmanagedType.LPStr)] string HostName, uint PortNumber);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WLDAP32_ldap_initA' -Namespace Win32 -PassThru
# $api::ldap_initA(HostName, PortNumber)

#uselib "WLDAP32.dll"
#func global ldap_initA "ldap_initA" sptr, sptr
; ldap_initA HostName, PortNumber   ; 戻り値は stat
; HostName : LPCSTR -> "sptr"
; PortNumber : 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 "WLDAP32.dll"
#cfunc global ldap_initA "ldap_initA" str, int
; res = ldap_initA(HostName, PortNumber)
; HostName : LPCSTR -> "str"
; PortNumber : DWORD -> "int"

; LDAP* ldap_initA(LPCSTR HostName, DWORD PortNumber)
#uselib "WLDAP32.dll"
#cfunc global ldap_initA "ldap_initA" str, int
; res = ldap_initA(HostName, PortNumber)
; HostName : LPCSTR -> "str"
; PortNumber : DWORD -> "int"

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

var (
	wldap32 = windows.NewLazySystemDLL("WLDAP32.dll")
	procldap_initA = wldap32.NewProc("ldap_initA")
)

// HostName (LPCSTR), PortNumber (DWORD)
r1, _, err := procldap_initA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(HostName))),
	uintptr(PortNumber),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LDAP*

function ldap_initA(
  HostName: PAnsiChar;   // LPCSTR
  PortNumber: DWORD   // DWORD
): Pointer; cdecl;
  external 'WLDAP32.dll' name 'ldap_initA';

result := DllCall("WLDAP32\ldap_initA"
    , "AStr", HostName   ; LPCSTR
    , "UInt", PortNumber   ; DWORD
    , "Cdecl Ptr")   ; return: LDAP*

●ldap_initA(HostName, PortNumber) = DLL("WLDAP32.dll", "void* ldap_initA(char*, dword)")
# 呼び出し: ldap_initA(HostName, PortNumber)
# HostName : LPCSTR -> "char*"
# PortNumber : 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)。
# ※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_initA(
    HostName: [*c]const u8, // LPCSTR
    PortNumber: u32 // DWORD
) callconv(.c) [*c]LDAP;

proc ldap_initA(
    HostName: cstring,  # LPCSTR
    PortNumber: uint32  # DWORD
): ptr LDAP {.importc: "ldap_initA", cdecl, dynlib: "WLDAP32.dll".}

pragma(lib, "wldap32");
extern(C)
LDAP* ldap_initA(
    const(char)* HostName,   // LPCSTR
    uint PortNumber   // DWORD
);

ccall((:ldap_initA, "WLDAP32.dll"), Ptr{LDAP},
      (Cstring, UInt32),
      HostName, PortNumber)
# HostName : LPCSTR -> Cstring
# PortNumber : DWORD -> UInt32

local ffi = require("ffi")
ffi.cdef[[
void* ldap_initA(
    const char* HostName,
    uint32_t PortNumber);
]]
local wldap32 = ffi.load("wldap32")
-- wldap32.ldap_initA(HostName, PortNumber)
-- HostName : LPCSTR
-- PortNumber : 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('WLDAP32.dll');
const ldap_initA = lib.func('__cdecl', 'ldap_initA', 'void *', ['str', 'uint32_t']);
// ldap_initA(HostName, PortNumber)
// HostName : LPCSTR -> 'str'
// PortNumber : 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("WLDAP32.dll", {
  ldap_initA: { parameters: ["buffer", "u32"], result: "pointer" },
});
// lib.symbols.ldap_initA(HostName, PortNumber)
// HostName : LPCSTR -> "buffer"
// PortNumber : DWORD -> "u32"
// 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_initA(
    const char* HostName,
    uint32_t PortNumber);
C, "WLDAP32.dll");
// $ffi->ldap_initA(HostName, PortNumber);
// HostName : LPCSTR
// PortNumber : 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。

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_initA(
        String HostName,   // LPCSTR
        int PortNumber   // DWORD
    );
}

@[Link("wldap32")]
lib LibWLDAP32
  fun ldap_initA = ldap_initA(
    HostName : UInt8*,   # LPCSTR
    PortNumber : UInt32   # DWORD
  ) : LDAP*
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_initANative = Pointer<Void> Function(Pointer<Utf8>, Uint32);
typedef ldap_initADart = Pointer<Void> Function(Pointer<Utf8>, int);
final ldap_initA = DynamicLibrary.open('WLDAP32.dll')
    .lookupFunction<ldap_initANative, ldap_initADart>('ldap_initA');
// HostName : LPCSTR -> Pointer<Utf8>
// PortNumber : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ldap_initA(
  HostName: PAnsiChar;   // LPCSTR
  PortNumber: DWORD   // DWORD
): Pointer; cdecl;
  external 'WLDAP32.dll' name 'ldap_initA';

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

foreign import ccall safe "ldap_initA"
  c_ldap_initA :: CString -> Word32 -> IO (Ptr ())
-- HostName : LPCSTR -> CString
-- PortNumber : 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 ldap_inita =
  foreign "ldap_initA"
    (string @-> uint32_t @-> returning (ptr void))
(* HostName : LPCSTR -> string *)
(* PortNumber : 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 wldap32 (t "WLDAP32.dll"))
(cffi:use-foreign-library wldap32)

(cffi:defcfun ("ldap_initA" ldap-init-a :convention :cdecl) :pointer
  (host-name :string)   ; LPCSTR
  (port-number :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ldap_initA = Win32::API::More->new('WLDAP32',
    'LPVOID ldap_initA(LPCSTR HostName, DWORD PortNumber)');
# my $ret = $ldap_initA->Call($HostName, $PortNumber);
# HostName : LPCSTR -> LPCSTR
# PortNumber : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。