DhcpHlprFindV4DhcpProperty

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

DHCP_PROPERTY* DhcpHlprFindV4DhcpProperty(
    DHCP_PROPERTY_ARRAY* PropertyArray,
    DHCP_PROPERTY_ID ID,
    DHCP_PROPERTY_TYPE Type
);

<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Function DhcpHlprFindV4DhcpProperty(
    PropertyArray As IntPtr,   ' DHCP_PROPERTY_ARRAY*
    ID As Integer,   ' DHCP_PROPERTY_ID
    Type As Integer   ' DHCP_PROPERTY_TYPE
) As IntPtr
End Function

' PropertyArray : DHCP_PROPERTY_ARRAY*
' ID : DHCP_PROPERTY_ID
' Type : DHCP_PROPERTY_TYPE
Declare PtrSafe Function DhcpHlprFindV4DhcpProperty Lib "dhcpsapi" ( _
    ByVal PropertyArray As LongPtr, _
    ByVal ID As Long, _
    ByVal Type 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

DhcpHlprFindV4DhcpProperty = ctypes.windll.dhcpsapi.DhcpHlprFindV4DhcpProperty
DhcpHlprFindV4DhcpProperty.restype = ctypes.c_void_p
DhcpHlprFindV4DhcpProperty.argtypes = [
    ctypes.c_void_p,  # PropertyArray : DHCP_PROPERTY_ARRAY*
    ctypes.c_int,  # ID : DHCP_PROPERTY_ID
    ctypes.c_int,  # Type : DHCP_PROPERTY_TYPE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpHlprFindV4DhcpProperty = Fiddle::Function.new(
  lib['DhcpHlprFindV4DhcpProperty'],
  [
    Fiddle::TYPE_VOIDP,  # PropertyArray : DHCP_PROPERTY_ARRAY*
    Fiddle::TYPE_INT,  # ID : DHCP_PROPERTY_ID
    Fiddle::TYPE_INT,  # Type : DHCP_PROPERTY_TYPE
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "dhcpsapi")]
extern "system" {
    fn DhcpHlprFindV4DhcpProperty(
        PropertyArray: *mut DHCP_PROPERTY_ARRAY,  // DHCP_PROPERTY_ARRAY*
        ID: i32,  // DHCP_PROPERTY_ID
        Type: i32  // DHCP_PROPERTY_TYPE
    ) -> *mut DHCP_PROPERTY;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DHCPSAPI.dll")]
public static extern IntPtr DhcpHlprFindV4DhcpProperty(IntPtr PropertyArray, int ID, int Type);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpHlprFindV4DhcpProperty' -Namespace Win32 -PassThru
# $api::DhcpHlprFindV4DhcpProperty(PropertyArray, ID, Type)

#uselib "DHCPSAPI.dll"
#func global DhcpHlprFindV4DhcpProperty "DhcpHlprFindV4DhcpProperty" sptr, sptr, sptr
; DhcpHlprFindV4DhcpProperty varptr(PropertyArray), ID, Type   ; 戻り値は stat
; PropertyArray : DHCP_PROPERTY_ARRAY* -> "sptr"
; ID : DHCP_PROPERTY_ID -> "sptr"
; Type : DHCP_PROPERTY_TYPE -> "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 "DHCPSAPI.dll"
#cfunc global DhcpHlprFindV4DhcpProperty "DhcpHlprFindV4DhcpProperty" var, int, int
; res = DhcpHlprFindV4DhcpProperty(PropertyArray, ID, Type)
; PropertyArray : DHCP_PROPERTY_ARRAY* -> "var"
; ID : DHCP_PROPERTY_ID -> "int"
; Type : DHCP_PROPERTY_TYPE -> "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。

; DHCP_PROPERTY* DhcpHlprFindV4DhcpProperty(DHCP_PROPERTY_ARRAY* PropertyArray, DHCP_PROPERTY_ID ID, DHCP_PROPERTY_TYPE Type)
#uselib "DHCPSAPI.dll"
#cfunc global DhcpHlprFindV4DhcpProperty "DhcpHlprFindV4DhcpProperty" var, int, int
; res = DhcpHlprFindV4DhcpProperty(PropertyArray, ID, Type)
; PropertyArray : DHCP_PROPERTY_ARRAY* -> "var"
; ID : DHCP_PROPERTY_ID -> "int"
; Type : DHCP_PROPERTY_TYPE -> "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 (
	dhcpsapi = windows.NewLazySystemDLL("DHCPSAPI.dll")
	procDhcpHlprFindV4DhcpProperty = dhcpsapi.NewProc("DhcpHlprFindV4DhcpProperty")
)

// PropertyArray (DHCP_PROPERTY_ARRAY*), ID (DHCP_PROPERTY_ID), Type (DHCP_PROPERTY_TYPE)
r1, _, err := procDhcpHlprFindV4DhcpProperty.Call(
	uintptr(PropertyArray),
	uintptr(ID),
	uintptr(Type),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DHCP_PROPERTY*

function DhcpHlprFindV4DhcpProperty(
  PropertyArray: Pointer;   // DHCP_PROPERTY_ARRAY*
  ID: Integer;   // DHCP_PROPERTY_ID
  Type: Integer   // DHCP_PROPERTY_TYPE
): Pointer; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpHlprFindV4DhcpProperty';

result := DllCall("DHCPSAPI\DhcpHlprFindV4DhcpProperty"
    , "Ptr", PropertyArray   ; DHCP_PROPERTY_ARRAY*
    , "Int", ID   ; DHCP_PROPERTY_ID
    , "Int", Type   ; DHCP_PROPERTY_TYPE
    , "Ptr")   ; return: DHCP_PROPERTY*

●DhcpHlprFindV4DhcpProperty(PropertyArray, ID, Type) = DLL("DHCPSAPI.dll", "void* DhcpHlprFindV4DhcpProperty(void*, int, int)")
# 呼び出し: DhcpHlprFindV4DhcpProperty(PropertyArray, ID, Type)
# PropertyArray : DHCP_PROPERTY_ARRAY* -> "void*"
# ID : DHCP_PROPERTY_ID -> "int"
# Type : DHCP_PROPERTY_TYPE -> "int"
# 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)。