DnsServiceCopyInstance

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

DNS_SERVICE_INSTANCE* DnsServiceCopyInstance(
    DNS_SERVICE_INSTANCE* pOrig
);

<DllImport("DNSAPI.dll", ExactSpelling:=True)>
Public Shared Function DnsServiceCopyInstance(
    pOrig As IntPtr   ' DNS_SERVICE_INSTANCE*
) As IntPtr
End Function

' pOrig : DNS_SERVICE_INSTANCE*
Declare PtrSafe Function DnsServiceCopyInstance Lib "dnsapi" ( _
    ByVal pOrig As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DnsServiceCopyInstance = ctypes.windll.dnsapi.DnsServiceCopyInstance
DnsServiceCopyInstance.restype = ctypes.c_void_p
DnsServiceCopyInstance.argtypes = [
    ctypes.c_void_p,  # pOrig : DNS_SERVICE_INSTANCE*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DNSAPI.dll')
DnsServiceCopyInstance = Fiddle::Function.new(
  lib['DnsServiceCopyInstance'],
  [
    Fiddle::TYPE_VOIDP,  # pOrig : DNS_SERVICE_INSTANCE*
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "dnsapi")]
extern "system" {
    fn DnsServiceCopyInstance(
        pOrig: *mut DNS_SERVICE_INSTANCE  // DNS_SERVICE_INSTANCE*
    ) -> *mut DNS_SERVICE_INSTANCE;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DNSAPI.dll")]
public static extern IntPtr DnsServiceCopyInstance(IntPtr pOrig);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DNSAPI_DnsServiceCopyInstance' -Namespace Win32 -PassThru
# $api::DnsServiceCopyInstance(pOrig)

#uselib "DNSAPI.dll"
#func global DnsServiceCopyInstance "DnsServiceCopyInstance" sptr
; DnsServiceCopyInstance varptr(pOrig)   ; 戻り値は stat
; pOrig : DNS_SERVICE_INSTANCE* -> "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 "DNSAPI.dll"
#cfunc global DnsServiceCopyInstance "DnsServiceCopyInstance" var
; res = DnsServiceCopyInstance(pOrig)
; pOrig : DNS_SERVICE_INSTANCE* -> "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。

; DNS_SERVICE_INSTANCE* DnsServiceCopyInstance(DNS_SERVICE_INSTANCE* pOrig)
#uselib "DNSAPI.dll"
#cfunc global DnsServiceCopyInstance "DnsServiceCopyInstance" var
; res = DnsServiceCopyInstance(pOrig)
; pOrig : DNS_SERVICE_INSTANCE* -> "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 (
	dnsapi = windows.NewLazySystemDLL("DNSAPI.dll")
	procDnsServiceCopyInstance = dnsapi.NewProc("DnsServiceCopyInstance")
)

// pOrig (DNS_SERVICE_INSTANCE*)
r1, _, err := procDnsServiceCopyInstance.Call(
	uintptr(pOrig),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DNS_SERVICE_INSTANCE*

function DnsServiceCopyInstance(
  pOrig: Pointer   // DNS_SERVICE_INSTANCE*
): Pointer; stdcall;
  external 'DNSAPI.dll' name 'DnsServiceCopyInstance';

result := DllCall("DNSAPI\DnsServiceCopyInstance"
    , "Ptr", pOrig   ; DNS_SERVICE_INSTANCE*
    , "Ptr")   ; return: DNS_SERVICE_INSTANCE*

●DnsServiceCopyInstance(pOrig) = DLL("DNSAPI.dll", "void* DnsServiceCopyInstance(void*)")
# 呼び出し: DnsServiceCopyInstance(pOrig)
# pOrig : DNS_SERVICE_INSTANCE* -> "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)。