ldap_result2error

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

DWORD ldap_result2error(
    LDAP* ld,
    LDAPMessage* res,
    DWORD freeit
);

<DllImport("WLDAP32.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ldap_result2error(
    ld As IntPtr,   ' LDAP* in/out
    res As IntPtr,   ' LDAPMessage* in/out
    freeit As UInteger   ' DWORD
) As UInteger
End Function

' ld : LDAP* in/out
' res : LDAPMessage* in/out
' freeit : DWORD
Declare PtrSafe Function ldap_result2error Lib "wldap32" ( _
    ByVal ld As LongPtr, _
    ByVal res As LongPtr, _
    ByVal freeit As Long) 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_result2error = ctypes.cdll.wldap32.ldap_result2error
ldap_result2error.restype = wintypes.DWORD
ldap_result2error.argtypes = [
    ctypes.c_void_p,  # ld : LDAP* in/out
    ctypes.c_void_p,  # res : LDAPMessage* in/out
    wintypes.DWORD,  # freeit : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WLDAP32.dll')
ldap_result2error = Fiddle::Function.new(
  lib['ldap_result2error'],
  [
    Fiddle::TYPE_VOIDP,  # ld : LDAP* in/out
    Fiddle::TYPE_VOIDP,  # res : LDAPMessage* in/out
    -Fiddle::TYPE_INT,  # freeit : DWORD
  ],
  -Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "wldap32")]
extern "C" {
    fn ldap_result2error(
        ld: *mut LDAP,  // LDAP* in/out
        res: *mut LDAPMessage,  // LDAPMessage* in/out
        freeit: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WLDAP32.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern uint ldap_result2error(IntPtr ld, IntPtr res, uint freeit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WLDAP32_ldap_result2error' -Namespace Win32 -PassThru
# $api::ldap_result2error(ld, res, freeit)

#uselib "WLDAP32.dll"
#func global ldap_result2error "ldap_result2error" sptr, sptr, sptr
; ldap_result2error varptr(ld), varptr(res), freeit   ; 戻り値は stat
; ld : LDAP* in/out -> "sptr"
; res : LDAPMessage* in/out -> "sptr"
; freeit : 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_result2error "ldap_result2error" var, var, int
; res = ldap_result2error(ld, res, freeit)
; ld : LDAP* in/out -> "var"
; res : LDAPMessage* in/out -> "var"
; freeit : DWORD -> "int"
; ※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_result2error(LDAP* ld, LDAPMessage* res, DWORD freeit)
#uselib "WLDAP32.dll"
#cfunc global ldap_result2error "ldap_result2error" var, var, int
; res = ldap_result2error(ld, res, freeit)
; ld : LDAP* in/out -> "var"
; res : LDAPMessage* in/out -> "var"
; freeit : DWORD -> "int"
; ※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_result2error = wldap32.NewProc("ldap_result2error")
)

// ld (LDAP* in/out), res (LDAPMessage* in/out), freeit (DWORD)
r1, _, err := procldap_result2error.Call(
	uintptr(ld),
	uintptr(res),
	uintptr(freeit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ldap_result2error(
  ld: Pointer;   // LDAP* in/out
  res: Pointer;   // LDAPMessage* in/out
  freeit: DWORD   // DWORD
): DWORD; cdecl;
  external 'WLDAP32.dll' name 'ldap_result2error';

result := DllCall("WLDAP32\ldap_result2error"
    , "Ptr", ld   ; LDAP* in/out
    , "Ptr", res   ; LDAPMessage* in/out
    , "UInt", freeit   ; DWORD
    , "Cdecl UInt")   ; return: DWORD

●ldap_result2error(ld, res, freeit) = DLL("WLDAP32.dll", "dword ldap_result2error(void*, void*, dword)")
# 呼び出し: ldap_result2error(ld, res, freeit)
# ld : LDAP* in/out -> "void*"
# res : LDAPMessage* in/out -> "void*"
# freeit : 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。