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DhcpCApiInitialize

関数

DHCPクライアントAPIを初期化しバージョンを取得する。

DLLdhcpcsvc.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

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

DWORD DhcpCApiInitialize(
    DWORD* Version
);

パラメーター

名前	型	方向	説明
Version	DWORD*	inout	初期化されたDHCPクライアントAPIのバージョン番号を受け取るDWORDへのポインタ。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD DhcpCApiInitialize(
    DWORD* Version
);

[DllImport("dhcpcsvc.dll", ExactSpelling = true)]
static extern uint DhcpCApiInitialize(
    ref uint Version   // DWORD* in/out
);

<DllImport("dhcpcsvc.dll", ExactSpelling:=True)>
Public Shared Function DhcpCApiInitialize(
    ByRef Version As UInteger   ' DWORD* in/out
) As UInteger
End Function

' Version : DWORD* in/out
Declare PtrSafe Function DhcpCApiInitialize Lib "dhcpcsvc" ( _
    ByRef Version 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

DhcpCApiInitialize = ctypes.windll.dhcpcsvc.DhcpCApiInitialize
DhcpCApiInitialize.restype = wintypes.DWORD
DhcpCApiInitialize.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # Version : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dhcpcsvc.dll')
DhcpCApiInitialize = Fiddle::Function.new(
  lib['DhcpCApiInitialize'],
  [
    Fiddle::TYPE_VOIDP,  # Version : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dhcpcsvc")]
extern "system" {
    fn DhcpCApiInitialize(
        Version: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dhcpcsvc.dll")]
public static extern uint DhcpCApiInitialize(ref uint Version);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dhcpcsvc_DhcpCApiInitialize' -Namespace Win32 -PassThru
# $api::DhcpCApiInitialize(Version)

#uselib "dhcpcsvc.dll"
#func global DhcpCApiInitialize "DhcpCApiInitialize" sptr
; DhcpCApiInitialize varptr(Version)   ; 戻り値は stat
; Version : DWORD* in/out -> "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。

出力引数:

#uselib "dhcpcsvc.dll"
#cfunc global DhcpCApiInitialize "DhcpCApiInitialize" var
; res = DhcpCApiInitialize(Version)
; Version : DWORD* in/out -> "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。#uselib "dhcpcsvc.dll"
#cfunc global DhcpCApiInitialize "DhcpCApiInitialize" sptr
; res = DhcpCApiInitialize(varptr(Version))
; Version : DWORD* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD DhcpCApiInitialize(DWORD* Version)
#uselib "dhcpcsvc.dll"
#cfunc global DhcpCApiInitialize "DhcpCApiInitialize" var
; res = DhcpCApiInitialize(Version)
; Version : DWORD* in/out -> "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 DhcpCApiInitialize(DWORD* Version)
#uselib "dhcpcsvc.dll"
#cfunc global DhcpCApiInitialize "DhcpCApiInitialize" intptr
; res = DhcpCApiInitialize(varptr(Version))
; Version : DWORD* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	dhcpcsvc = windows.NewLazySystemDLL("dhcpcsvc.dll")
	procDhcpCApiInitialize = dhcpcsvc.NewProc("DhcpCApiInitialize")
)

// Version (DWORD* in/out)
r1, _, err := procDhcpCApiInitialize.Call(
	uintptr(Version),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DhcpCApiInitialize(
  Version: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'dhcpcsvc.dll' name 'DhcpCApiInitialize';

result := DllCall("dhcpcsvc\DhcpCApiInitialize"
    , "Ptr", Version   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●DhcpCApiInitialize(Version) = DLL("dhcpcsvc.dll", "dword DhcpCApiInitialize(void*)")
# 呼び出し: DhcpCApiInitialize(Version)
# Version : DWORD* in/out -> "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)。