DhcpCApiCleanup

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

void DhcpCApiCleanup(void);

<DllImport("dhcpcsvc.dll", ExactSpelling:=True)>
Public Shared Sub DhcpCApiCleanup()
End Sub

Declare PtrSafe Sub DhcpCApiCleanup Lib "dhcpcsvc" ()
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DhcpCApiCleanup = ctypes.windll.dhcpcsvc.DhcpCApiCleanup
DhcpCApiCleanup.restype = None
DhcpCApiCleanup.argtypes = []

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dhcpcsvc.dll')
DhcpCApiCleanup = Fiddle::Function.new(
  lib['DhcpCApiCleanup'],
  [],
  Fiddle::TYPE_VOID)

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

$sig = @"
[DllImport("dhcpcsvc.dll")]
public static extern void DhcpCApiCleanup();
"@
$api = Add-Type -MemberDefinition $sig -Name 'dhcpcsvc_DhcpCApiCleanup' -Namespace Win32 -PassThru
# $api::DhcpCApiCleanup()

#uselib "dhcpcsvc.dll"
#func global DhcpCApiCleanup "DhcpCApiCleanup"
; DhcpCApiCleanup

#uselib "dhcpcsvc.dll"
#func global DhcpCApiCleanup "DhcpCApiCleanup"
; DhcpCApiCleanup

; void DhcpCApiCleanup()
#uselib "dhcpcsvc.dll"
#func global DhcpCApiCleanup "DhcpCApiCleanup"
; DhcpCApiCleanup

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

var (
	dhcpcsvc = windows.NewLazySystemDLL("dhcpcsvc.dll")
	procDhcpCApiCleanup = dhcpcsvc.NewProc("DhcpCApiCleanup")
)

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

procedure DhcpCApiCleanup; stdcall;
  external 'dhcpcsvc.dll' name 'DhcpCApiCleanup';

result := DllCall("dhcpcsvc\DhcpCApiCleanup", "Int")

●DhcpCApiCleanup() = DLL("dhcpcsvc.dll", "int DhcpCApiCleanup()")
# 呼び出し: DhcpCApiCleanup()
# 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)。