DhcpAddSecurityGroup

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

DWORD DhcpAddSecurityGroup(
    LPWSTR pServer   // optional
);

<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Function DhcpAddSecurityGroup(
    <MarshalAs(UnmanagedType.LPWStr)> pServer As String   ' LPWSTR optional
) As UInteger
End Function

' pServer : LPWSTR optional
Declare PtrSafe Function DhcpAddSecurityGroup Lib "dhcpsapi" ( _
    ByVal pServer 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

DhcpAddSecurityGroup = ctypes.windll.dhcpsapi.DhcpAddSecurityGroup
DhcpAddSecurityGroup.restype = wintypes.DWORD
DhcpAddSecurityGroup.argtypes = [
    wintypes.LPCWSTR,  # pServer : LPWSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpAddSecurityGroup = Fiddle::Function.new(
  lib['DhcpAddSecurityGroup'],
  [
    Fiddle::TYPE_VOIDP,  # pServer : LPWSTR optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dhcpsapi")]
extern "system" {
    fn DhcpAddSecurityGroup(
        pServer: *mut u16  // LPWSTR optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DHCPSAPI.dll")]
public static extern uint DhcpAddSecurityGroup([MarshalAs(UnmanagedType.LPWStr)] string pServer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpAddSecurityGroup' -Namespace Win32 -PassThru
# $api::DhcpAddSecurityGroup(pServer)

#uselib "DHCPSAPI.dll"
#func global DhcpAddSecurityGroup "DhcpAddSecurityGroup" sptr
; DhcpAddSecurityGroup pServer   ; 戻り値は stat
; pServer : LPWSTR optional -> "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 DhcpAddSecurityGroup "DhcpAddSecurityGroup" wstr
; res = DhcpAddSecurityGroup(pServer)
; pServer : LPWSTR optional -> "wstr"

; DWORD DhcpAddSecurityGroup(LPWSTR pServer)
#uselib "DHCPSAPI.dll"
#cfunc global DhcpAddSecurityGroup "DhcpAddSecurityGroup" wstr
; res = DhcpAddSecurityGroup(pServer)
; pServer : LPWSTR optional -> "wstr"

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

var (
	dhcpsapi = windows.NewLazySystemDLL("DHCPSAPI.dll")
	procDhcpAddSecurityGroup = dhcpsapi.NewProc("DhcpAddSecurityGroup")
)

// pServer (LPWSTR optional)
r1, _, err := procDhcpAddSecurityGroup.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pServer))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DhcpAddSecurityGroup(
  pServer: PWideChar   // LPWSTR optional
): DWORD; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpAddSecurityGroup';

result := DllCall("DHCPSAPI\DhcpAddSecurityGroup"
    , "WStr", pServer   ; LPWSTR optional
    , "UInt")   ; return: DWORD

●DhcpAddSecurityGroup(pServer) = DLL("DHCPSAPI.dll", "dword DhcpAddSecurityGroup(char*)")
# 呼び出し: DhcpAddSecurityGroup(pServer)
# pServer : LPWSTR optional -> "char*"
# 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)。