DhcpDsInit

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

DWORD DhcpDsInit(void);

<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Function DhcpDsInit() As UInteger
End Function

Declare PtrSafe Function DhcpDsInit Lib "dhcpsapi" () As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DhcpDsInit = ctypes.windll.dhcpsapi.DhcpDsInit
DhcpDsInit.restype = wintypes.DWORD
DhcpDsInit.argtypes = []

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpDsInit = Fiddle::Function.new(
  lib['DhcpDsInit'],
  [],
  -Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("DHCPSAPI.dll")]
public static extern uint DhcpDsInit();
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpDsInit' -Namespace Win32 -PassThru
# $api::DhcpDsInit()

#uselib "DHCPSAPI.dll"
#func global DhcpDsInit "DhcpDsInit"
; DhcpDsInit   ; 戻り値は stat
; ※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 DhcpDsInit "DhcpDsInit"
; res = DhcpDsInit()

; DWORD DhcpDsInit()
#uselib "DHCPSAPI.dll"
#cfunc global DhcpDsInit "DhcpDsInit"
; res = DhcpDsInit()

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

var (
	dhcpsapi = windows.NewLazySystemDLL("DHCPSAPI.dll")
	procDhcpDsInit = dhcpsapi.NewProc("DhcpDsInit")
)

r1, _, err := procDhcpDsInit.Call()
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DhcpDsInit: DWORD; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpDsInit';

result := DllCall("DHCPSAPI\DhcpDsInit", "UInt")

●DhcpDsInit() = DLL("DHCPSAPI.dll", "dword DhcpDsInit()")
# 呼び出し: DhcpDsInit()
# 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)。