DnsConnectionSetPolicyEntries

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

DWORD DnsConnectionSetPolicyEntries(
    DNS_CONNECTION_POLICY_TAG PolicyEntryTag,
    DNS_CONNECTION_POLICY_ENTRY_LIST* pPolicyEntryList
);

<DllImport("DNSAPI.dll", ExactSpelling:=True)>
Public Shared Function DnsConnectionSetPolicyEntries(
    PolicyEntryTag As Integer,   ' DNS_CONNECTION_POLICY_TAG
    pPolicyEntryList As IntPtr   ' DNS_CONNECTION_POLICY_ENTRY_LIST*
) As UInteger
End Function

' PolicyEntryTag : DNS_CONNECTION_POLICY_TAG
' pPolicyEntryList : DNS_CONNECTION_POLICY_ENTRY_LIST*
Declare PtrSafe Function DnsConnectionSetPolicyEntries Lib "dnsapi" ( _
    ByVal PolicyEntryTag As Long, _
    ByVal pPolicyEntryList 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

DnsConnectionSetPolicyEntries = ctypes.windll.dnsapi.DnsConnectionSetPolicyEntries
DnsConnectionSetPolicyEntries.restype = wintypes.DWORD
DnsConnectionSetPolicyEntries.argtypes = [
    ctypes.c_int,  # PolicyEntryTag : DNS_CONNECTION_POLICY_TAG
    ctypes.c_void_p,  # pPolicyEntryList : DNS_CONNECTION_POLICY_ENTRY_LIST*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DNSAPI.dll')
DnsConnectionSetPolicyEntries = Fiddle::Function.new(
  lib['DnsConnectionSetPolicyEntries'],
  [
    Fiddle::TYPE_INT,  # PolicyEntryTag : DNS_CONNECTION_POLICY_TAG
    Fiddle::TYPE_VOIDP,  # pPolicyEntryList : DNS_CONNECTION_POLICY_ENTRY_LIST*
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dnsapi")]
extern "system" {
    fn DnsConnectionSetPolicyEntries(
        PolicyEntryTag: i32,  // DNS_CONNECTION_POLICY_TAG
        pPolicyEntryList: *mut DNS_CONNECTION_POLICY_ENTRY_LIST  // DNS_CONNECTION_POLICY_ENTRY_LIST*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DNSAPI.dll")]
public static extern uint DnsConnectionSetPolicyEntries(int PolicyEntryTag, IntPtr pPolicyEntryList);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DNSAPI_DnsConnectionSetPolicyEntries' -Namespace Win32 -PassThru
# $api::DnsConnectionSetPolicyEntries(PolicyEntryTag, pPolicyEntryList)

#uselib "DNSAPI.dll"
#func global DnsConnectionSetPolicyEntries "DnsConnectionSetPolicyEntries" sptr, sptr
; DnsConnectionSetPolicyEntries PolicyEntryTag, varptr(pPolicyEntryList)   ; 戻り値は stat
; PolicyEntryTag : DNS_CONNECTION_POLICY_TAG -> "sptr"
; pPolicyEntryList : DNS_CONNECTION_POLICY_ENTRY_LIST* -> "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 DnsConnectionSetPolicyEntries "DnsConnectionSetPolicyEntries" int, var
; res = DnsConnectionSetPolicyEntries(PolicyEntryTag, pPolicyEntryList)
; PolicyEntryTag : DNS_CONNECTION_POLICY_TAG -> "int"
; pPolicyEntryList : DNS_CONNECTION_POLICY_ENTRY_LIST* -> "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 DnsConnectionSetPolicyEntries(DNS_CONNECTION_POLICY_TAG PolicyEntryTag, DNS_CONNECTION_POLICY_ENTRY_LIST* pPolicyEntryList)
#uselib "DNSAPI.dll"
#cfunc global DnsConnectionSetPolicyEntries "DnsConnectionSetPolicyEntries" int, var
; res = DnsConnectionSetPolicyEntries(PolicyEntryTag, pPolicyEntryList)
; PolicyEntryTag : DNS_CONNECTION_POLICY_TAG -> "int"
; pPolicyEntryList : DNS_CONNECTION_POLICY_ENTRY_LIST* -> "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")
	procDnsConnectionSetPolicyEntries = dnsapi.NewProc("DnsConnectionSetPolicyEntries")
)

// PolicyEntryTag (DNS_CONNECTION_POLICY_TAG), pPolicyEntryList (DNS_CONNECTION_POLICY_ENTRY_LIST*)
r1, _, err := procDnsConnectionSetPolicyEntries.Call(
	uintptr(PolicyEntryTag),
	uintptr(pPolicyEntryList),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DnsConnectionSetPolicyEntries(
  PolicyEntryTag: Integer;   // DNS_CONNECTION_POLICY_TAG
  pPolicyEntryList: Pointer   // DNS_CONNECTION_POLICY_ENTRY_LIST*
): DWORD; stdcall;
  external 'DNSAPI.dll' name 'DnsConnectionSetPolicyEntries';

result := DllCall("DNSAPI\DnsConnectionSetPolicyEntries"
    , "Int", PolicyEntryTag   ; DNS_CONNECTION_POLICY_TAG
    , "Ptr", pPolicyEntryList   ; DNS_CONNECTION_POLICY_ENTRY_LIST*
    , "UInt")   ; return: DWORD

●DnsConnectionSetPolicyEntries(PolicyEntryTag, pPolicyEntryList) = DLL("DNSAPI.dll", "dword DnsConnectionSetPolicyEntries(int, void*)")
# 呼び出し: DnsConnectionSetPolicyEntries(PolicyEntryTag, pPolicyEntryList)
# PolicyEntryTag : DNS_CONNECTION_POLICY_TAG -> "int"
# pPolicyEntryList : DNS_CONNECTION_POLICY_ENTRY_LIST* -> "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)。