ldap_get_values_lenA

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

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

<DllImport("WLDAP32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ldap_get_values_lenA(
    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_lenA 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_lenA = ctypes.cdll.wldap32.ldap_get_values_lenA
ldap_get_values_lenA.restype = ctypes.c_void_p
ldap_get_values_lenA.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_lenA = Fiddle::Function.new(
  lib['ldap_get_values_lenA'],
  [
    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_lenA(
        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_lenA(IntPtr ExternalHandle, IntPtr Message, [MarshalAs(UnmanagedType.LPStr)] string attr);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WLDAP32_ldap_get_values_lenA' -Namespace Win32 -PassThru
# $api::ldap_get_values_lenA(ExternalHandle, Message, attr)

#uselib "WLDAP32.dll"
#func global ldap_get_values_lenA "ldap_get_values_lenA" sptr, sptr, sptr
; ldap_get_values_lenA 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。

#uselib "WLDAP32.dll"
#cfunc global ldap_get_values_lenA "ldap_get_values_lenA" var, var, str
; res = ldap_get_values_lenA(ExternalHandle, Message, attr)
; ExternalHandle : LDAP* in/out -> "var"
; Message : LDAPMessage* in/out -> "var"
; attr : LPCSTR -> "str"
; ※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。

; LDAP_BERVAL** ldap_get_values_lenA(LDAP* ExternalHandle, LDAPMessage* Message, LPCSTR attr)
#uselib "WLDAP32.dll"
#cfunc global ldap_get_values_lenA "ldap_get_values_lenA" var, var, str
; res = ldap_get_values_lenA(ExternalHandle, Message, attr)
; ExternalHandle : LDAP* in/out -> "var"
; Message : LDAPMessage* in/out -> "var"
; attr : LPCSTR -> "str"
; ※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_values_lenA = wldap32.NewProc("ldap_get_values_lenA")
)

// ExternalHandle (LDAP* in/out), Message (LDAPMessage* in/out), attr (LPCSTR)
r1, _, err := procldap_get_values_lenA.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_lenA(
  ExternalHandle: Pointer;   // LDAP* in/out
  Message: Pointer;   // LDAPMessage* in/out
  attr: PAnsiChar   // LPCSTR
): Pointer; cdecl;
  external 'WLDAP32.dll' name 'ldap_get_values_lenA';

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

●ldap_get_values_lenA(ExternalHandle, Message, attr) = DLL("WLDAP32.dll", "void* ldap_get_values_lenA(void*, void*, char*)")
# 呼び出し: ldap_get_values_lenA(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。