DhcpHlprIsV4PolicySingleUC

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

BOOL DhcpHlprIsV4PolicySingleUC(
    DHCP_POLICY* Policy
);

<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Function DhcpHlprIsV4PolicySingleUC(
    Policy As IntPtr   ' DHCP_POLICY*
) As Boolean
End Function

' Policy : DHCP_POLICY*
Declare PtrSafe Function DhcpHlprIsV4PolicySingleUC Lib "dhcpsapi" ( _
    ByVal Policy 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

DhcpHlprIsV4PolicySingleUC = ctypes.windll.dhcpsapi.DhcpHlprIsV4PolicySingleUC
DhcpHlprIsV4PolicySingleUC.restype = wintypes.BOOL
DhcpHlprIsV4PolicySingleUC.argtypes = [
    ctypes.c_void_p,  # Policy : DHCP_POLICY*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpHlprIsV4PolicySingleUC = Fiddle::Function.new(
  lib['DhcpHlprIsV4PolicySingleUC'],
  [
    Fiddle::TYPE_VOIDP,  # Policy : DHCP_POLICY*
  ],
  Fiddle::TYPE_INT)

#[link(name = "dhcpsapi")]
extern "system" {
    fn DhcpHlprIsV4PolicySingleUC(
        Policy: *mut DHCP_POLICY  // DHCP_POLICY*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("DHCPSAPI.dll")]
public static extern bool DhcpHlprIsV4PolicySingleUC(IntPtr Policy);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpHlprIsV4PolicySingleUC' -Namespace Win32 -PassThru
# $api::DhcpHlprIsV4PolicySingleUC(Policy)

#uselib "DHCPSAPI.dll"
#func global DhcpHlprIsV4PolicySingleUC "DhcpHlprIsV4PolicySingleUC" sptr
; DhcpHlprIsV4PolicySingleUC varptr(Policy)   ; 戻り値は stat
; Policy : DHCP_POLICY* -> "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 DhcpHlprIsV4PolicySingleUC "DhcpHlprIsV4PolicySingleUC" var
; res = DhcpHlprIsV4PolicySingleUC(Policy)
; Policy : DHCP_POLICY* -> "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。

; BOOL DhcpHlprIsV4PolicySingleUC(DHCP_POLICY* Policy)
#uselib "DHCPSAPI.dll"
#cfunc global DhcpHlprIsV4PolicySingleUC "DhcpHlprIsV4PolicySingleUC" var
; res = DhcpHlprIsV4PolicySingleUC(Policy)
; Policy : DHCP_POLICY* -> "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。

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

var (
	dhcpsapi = windows.NewLazySystemDLL("DHCPSAPI.dll")
	procDhcpHlprIsV4PolicySingleUC = dhcpsapi.NewProc("DhcpHlprIsV4PolicySingleUC")
)

// Policy (DHCP_POLICY*)
r1, _, err := procDhcpHlprIsV4PolicySingleUC.Call(
	uintptr(Policy),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DhcpHlprIsV4PolicySingleUC(
  Policy: Pointer   // DHCP_POLICY*
): BOOL; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpHlprIsV4PolicySingleUC';

result := DllCall("DHCPSAPI\DhcpHlprIsV4PolicySingleUC"
    , "Ptr", Policy   ; DHCP_POLICY*
    , "Int")   ; return: BOOL

●DhcpHlprIsV4PolicySingleUC(Policy) = DLL("DHCPSAPI.dll", "bool DhcpHlprIsV4PolicySingleUC(void*)")
# 呼び出し: DhcpHlprIsV4PolicySingleUC(Policy)
# Policy : DHCP_POLICY* -> "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)。