ldap_count_entries

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

DWORD ldap_count_entries(
    LDAP* ld,
    LDAPMessage* res
);

<DllImport("WLDAP32.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ldap_count_entries(
    ld As IntPtr,   ' LDAP* in/out
    res As IntPtr   ' LDAPMessage* in/out
) As UInteger
End Function

' ld : LDAP* in/out
' res : LDAPMessage* in/out
Declare PtrSafe Function ldap_count_entries Lib "wldap32" ( _
    ByVal ld As LongPtr, _
    ByVal res 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_count_entries = ctypes.cdll.wldap32.ldap_count_entries
ldap_count_entries.restype = wintypes.DWORD
ldap_count_entries.argtypes = [
    ctypes.c_void_p,  # ld : LDAP* in/out
    ctypes.c_void_p,  # res : LDAPMessage* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WLDAP32.dll')
ldap_count_entries = Fiddle::Function.new(
  lib['ldap_count_entries'],
  [
    Fiddle::TYPE_VOIDP,  # ld : LDAP* in/out
    Fiddle::TYPE_VOIDP,  # res : LDAPMessage* in/out
  ],
  -Fiddle::TYPE_INT, Fiddle::Function::CDECL)

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

$sig = @"
[DllImport("WLDAP32.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern uint ldap_count_entries(IntPtr ld, IntPtr res);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WLDAP32_ldap_count_entries' -Namespace Win32 -PassThru
# $api::ldap_count_entries(ld, res)

#uselib "WLDAP32.dll"
#func global ldap_count_entries "ldap_count_entries" sptr, sptr
; ldap_count_entries varptr(ld), varptr(res)   ; 戻り値は stat
; ld : LDAP* in/out -> "sptr"
; res : LDAPMessage* 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_count_entries "ldap_count_entries" var, var
; res = ldap_count_entries(ld, res)
; ld : LDAP* in/out -> "var"
; res : LDAPMessage* in/out -> "var"
; ※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_count_entries(LDAP* ld, LDAPMessage* res)
#uselib "WLDAP32.dll"
#cfunc global ldap_count_entries "ldap_count_entries" var, var
; res = ldap_count_entries(ld, res)
; ld : LDAP* in/out -> "var"
; res : LDAPMessage* in/out -> "var"
; ※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_count_entries = wldap32.NewProc("ldap_count_entries")
)

// ld (LDAP* in/out), res (LDAPMessage* in/out)
r1, _, err := procldap_count_entries.Call(
	uintptr(ld),
	uintptr(res),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ldap_count_entries(
  ld: Pointer;   // LDAP* in/out
  res: Pointer   // LDAPMessage* in/out
): DWORD; cdecl;
  external 'WLDAP32.dll' name 'ldap_count_entries';

result := DllCall("WLDAP32\ldap_count_entries"
    , "Ptr", ld   ; LDAP* in/out
    , "Ptr", res   ; LDAPMessage* in/out
    , "Cdecl UInt")   ; return: DWORD

●ldap_count_entries(ld, res) = DLL("WLDAP32.dll", "dword ldap_count_entries(void*, void*)")
# 呼び出し: ldap_count_entries(ld, res)
# ld : LDAP* in/out -> "void*"
# res : LDAPMessage* 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。