ldap_get_option

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

DWORD ldap_get_option(
    LDAP* ld,
    INT option,
    void* outvalue
);

<DllImport("WLDAP32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ldap_get_option(
    ld As IntPtr,   ' LDAP* in/out
    [option] As Integer,   ' INT
    outvalue As IntPtr   ' void* in/out
) As UInteger
End Function

' ld : LDAP* in/out
' option : INT
' outvalue : void* in/out
Declare PtrSafe Function ldap_get_option Lib "wldap32" ( _
    ByVal ld As LongPtr, _
    ByVal option As Long, _
    ByVal outvalue 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

ldap_get_option = ctypes.cdll.wldap32.ldap_get_option
ldap_get_option.restype = wintypes.DWORD
ldap_get_option.argtypes = [
    ctypes.c_void_p,  # ld : LDAP* in/out
    ctypes.c_int,  # option : INT
    ctypes.POINTER(None),  # outvalue : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WLDAP32.dll')
ldap_get_option = Fiddle::Function.new(
  lib['ldap_get_option'],
  [
    Fiddle::TYPE_VOIDP,  # ld : LDAP* in/out
    Fiddle::TYPE_INT,  # option : INT
    Fiddle::TYPE_VOIDP,  # outvalue : void* in/out
  ],
  -Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "wldap32")]
extern "C" {
    fn ldap_get_option(
        ld: *mut LDAP,  // LDAP* in/out
        option: i32,  // INT
        outvalue: *mut ()  // void* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WLDAP32.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
public static extern uint ldap_get_option(IntPtr ld, int option, IntPtr outvalue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WLDAP32_ldap_get_option' -Namespace Win32 -PassThru
# $api::ldap_get_option(ld, option, outvalue)

#uselib "WLDAP32.dll"
#func global ldap_get_option "ldap_get_option" sptr, sptr, sptr
; ldap_get_option varptr(ld), option, outvalue   ; 戻り値は stat
; ld : LDAP* in/out -> "sptr"
; option : INT -> "sptr"
; outvalue : void* in/out -> "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_get_option "ldap_get_option" var, int, sptr
; res = ldap_get_option(ld, option, outvalue)
; ld : LDAP* in/out -> "var"
; option : INT -> "int"
; outvalue : void* in/out -> "sptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD ldap_get_option(LDAP* ld, INT option, void* outvalue)
#uselib "WLDAP32.dll"
#cfunc global ldap_get_option "ldap_get_option" var, int, intptr
; res = ldap_get_option(ld, option, outvalue)
; ld : LDAP* in/out -> "var"
; option : INT -> "int"
; outvalue : void* in/out -> "intptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	wldap32 = windows.NewLazySystemDLL("WLDAP32.dll")
	procldap_get_option = wldap32.NewProc("ldap_get_option")
)

// ld (LDAP* in/out), option (INT), outvalue (void* in/out)
r1, _, err := procldap_get_option.Call(
	uintptr(ld),
	uintptr(option),
	uintptr(outvalue),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ldap_get_option(
  ld: Pointer;   // LDAP* in/out
  option: Integer;   // INT
  outvalue: Pointer   // void* in/out
): DWORD; cdecl;
  external 'WLDAP32.dll' name 'ldap_get_option';

result := DllCall("WLDAP32\ldap_get_option"
    , "Ptr", ld   ; LDAP* in/out
    , "Int", option   ; INT
    , "Ptr", outvalue   ; void* in/out
    , "Cdecl UInt")   ; return: DWORD

●ldap_get_option(ld, option, outvalue) = DLL("WLDAP32.dll", "dword ldap_get_option(void*, int, void*)")
# 呼び出し: ldap_get_option(ld, option, outvalue)
# ld : LDAP* in/out -> "void*"
# option : INT -> "int"
# outvalue : void* in/out -> "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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。