DhcpDeleteSubnetV6

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

DWORD DhcpDeleteSubnetV6(
    LPWSTR ServerIpAddress,   // optional
    DHCP_IPV6_ADDRESS SubnetAddress,
    DHCP_FORCE_FLAG ForceFlag
);

<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Function DhcpDeleteSubnetV6(
    <MarshalAs(UnmanagedType.LPWStr)> ServerIpAddress As String,   ' LPWSTR optional
    SubnetAddress As DHCP_IPV6_ADDRESS,   ' DHCP_IPV6_ADDRESS
    ForceFlag As Integer   ' DHCP_FORCE_FLAG
) As UInteger
End Function

' ServerIpAddress : LPWSTR optional
' SubnetAddress : DHCP_IPV6_ADDRESS
' ForceFlag : DHCP_FORCE_FLAG
Declare PtrSafe Function DhcpDeleteSubnetV6 Lib "dhcpsapi" ( _
    ByVal ServerIpAddress As LongPtr, _
    ByVal SubnetAddress As LongPtr, _
    ByVal ForceFlag 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

DhcpDeleteSubnetV6 = ctypes.windll.dhcpsapi.DhcpDeleteSubnetV6
DhcpDeleteSubnetV6.restype = wintypes.DWORD
DhcpDeleteSubnetV6.argtypes = [
    wintypes.LPCWSTR,  # ServerIpAddress : LPWSTR optional
    DHCP_IPV6_ADDRESS,  # SubnetAddress : DHCP_IPV6_ADDRESS
    ctypes.c_int,  # ForceFlag : DHCP_FORCE_FLAG
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpDeleteSubnetV6 = Fiddle::Function.new(
  lib['DhcpDeleteSubnetV6'],
  [
    Fiddle::TYPE_VOIDP,  # ServerIpAddress : LPWSTR optional
    Fiddle::TYPE_VOIDP,  # SubnetAddress : DHCP_IPV6_ADDRESS
    Fiddle::TYPE_INT,  # ForceFlag : DHCP_FORCE_FLAG
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dhcpsapi")]
extern "system" {
    fn DhcpDeleteSubnetV6(
        ServerIpAddress: *mut u16,  // LPWSTR optional
        SubnetAddress: DHCP_IPV6_ADDRESS,  // DHCP_IPV6_ADDRESS
        ForceFlag: i32  // DHCP_FORCE_FLAG
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DHCPSAPI.dll")]
public static extern uint DhcpDeleteSubnetV6([MarshalAs(UnmanagedType.LPWStr)] string ServerIpAddress, DHCP_IPV6_ADDRESS SubnetAddress, int ForceFlag);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpDeleteSubnetV6' -Namespace Win32 -PassThru
# $api::DhcpDeleteSubnetV6(ServerIpAddress, SubnetAddress, ForceFlag)

#uselib "DHCPSAPI.dll"
#func global DhcpDeleteSubnetV6 "DhcpDeleteSubnetV6" sptr, sptr, sptr
; DhcpDeleteSubnetV6 ServerIpAddress, SubnetAddress, ForceFlag   ; 戻り値は stat
; ServerIpAddress : LPWSTR optional -> "sptr"
; SubnetAddress : DHCP_IPV6_ADDRESS -> "sptr"
; ForceFlag : DHCP_FORCE_FLAG -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 DhcpDeleteSubnetV6 "DhcpDeleteSubnetV6" wstr, int, int
; res = DhcpDeleteSubnetV6(ServerIpAddress, SubnetAddress, ForceFlag)
; ServerIpAddress : LPWSTR optional -> "wstr"
; SubnetAddress : DHCP_IPV6_ADDRESS -> "int"
; ForceFlag : DHCP_FORCE_FLAG -> "int"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

; DWORD DhcpDeleteSubnetV6(LPWSTR ServerIpAddress, DHCP_IPV6_ADDRESS SubnetAddress, DHCP_FORCE_FLAG ForceFlag)
#uselib "DHCPSAPI.dll"
#cfunc global DhcpDeleteSubnetV6 "DhcpDeleteSubnetV6" wstr, int, int
; res = DhcpDeleteSubnetV6(ServerIpAddress, SubnetAddress, ForceFlag)
; ServerIpAddress : LPWSTR optional -> "wstr"
; SubnetAddress : DHCP_IPV6_ADDRESS -> "int"
; ForceFlag : DHCP_FORCE_FLAG -> "int"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	dhcpsapi = windows.NewLazySystemDLL("DHCPSAPI.dll")
	procDhcpDeleteSubnetV6 = dhcpsapi.NewProc("DhcpDeleteSubnetV6")
)

// ServerIpAddress (LPWSTR optional), SubnetAddress (DHCP_IPV6_ADDRESS), ForceFlag (DHCP_FORCE_FLAG)
r1, _, err := procDhcpDeleteSubnetV6.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ServerIpAddress))),
	uintptr(SubnetAddress),
	uintptr(ForceFlag),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DhcpDeleteSubnetV6(
  ServerIpAddress: PWideChar;   // LPWSTR optional
  SubnetAddress: DHCP_IPV6_ADDRESS;   // DHCP_IPV6_ADDRESS
  ForceFlag: Integer   // DHCP_FORCE_FLAG
): DWORD; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpDeleteSubnetV6';

result := DllCall("DHCPSAPI\DhcpDeleteSubnetV6"
    , "WStr", ServerIpAddress   ; LPWSTR optional
    , "Ptr", SubnetAddress   ; DHCP_IPV6_ADDRESS
    , "Int", ForceFlag   ; DHCP_FORCE_FLAG
    , "UInt")   ; return: DWORD

●DhcpDeleteSubnetV6(ServerIpAddress, SubnetAddress, ForceFlag) = DLL("DHCPSAPI.dll", "dword DhcpDeleteSubnetV6(char*, void*, int)")
# 呼び出し: DhcpDeleteSubnetV6(ServerIpAddress, SubnetAddress, ForceFlag)
# ServerIpAddress : LPWSTR optional -> "char*"
# SubnetAddress : DHCP_IPV6_ADDRESS -> "void*"
# ForceFlag : DHCP_FORCE_FLAG -> "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)。