DhcpHlprIsV4PolicyWellFormed

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

BOOL DhcpHlprIsV4PolicyWellFormed(
    DHCP_POLICY* pPolicy
);

<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Function DhcpHlprIsV4PolicyWellFormed(
    pPolicy As IntPtr   ' DHCP_POLICY*
) As Boolean
End Function

' pPolicy : DHCP_POLICY*
Declare PtrSafe Function DhcpHlprIsV4PolicyWellFormed Lib "dhcpsapi" ( _
    ByVal pPolicy 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

DhcpHlprIsV4PolicyWellFormed = ctypes.windll.dhcpsapi.DhcpHlprIsV4PolicyWellFormed
DhcpHlprIsV4PolicyWellFormed.restype = wintypes.BOOL
DhcpHlprIsV4PolicyWellFormed.argtypes = [
    ctypes.c_void_p,  # pPolicy : DHCP_POLICY*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpHlprIsV4PolicyWellFormed = Fiddle::Function.new(
  lib['DhcpHlprIsV4PolicyWellFormed'],
  [
    Fiddle::TYPE_VOIDP,  # pPolicy : DHCP_POLICY*
  ],
  Fiddle::TYPE_INT)

#[link(name = "dhcpsapi")]
extern "system" {
    fn DhcpHlprIsV4PolicyWellFormed(
        pPolicy: *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 DhcpHlprIsV4PolicyWellFormed(IntPtr pPolicy);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpHlprIsV4PolicyWellFormed' -Namespace Win32 -PassThru
# $api::DhcpHlprIsV4PolicyWellFormed(pPolicy)

#uselib "DHCPSAPI.dll"
#func global DhcpHlprIsV4PolicyWellFormed "DhcpHlprIsV4PolicyWellFormed" sptr
; DhcpHlprIsV4PolicyWellFormed varptr(pPolicy)   ; 戻り値は stat
; pPolicy : 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 DhcpHlprIsV4PolicyWellFormed "DhcpHlprIsV4PolicyWellFormed" var
; res = DhcpHlprIsV4PolicyWellFormed(pPolicy)
; pPolicy : 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 DhcpHlprIsV4PolicyWellFormed(DHCP_POLICY* pPolicy)
#uselib "DHCPSAPI.dll"
#cfunc global DhcpHlprIsV4PolicyWellFormed "DhcpHlprIsV4PolicyWellFormed" var
; res = DhcpHlprIsV4PolicyWellFormed(pPolicy)
; pPolicy : 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")
	procDhcpHlprIsV4PolicyWellFormed = dhcpsapi.NewProc("DhcpHlprIsV4PolicyWellFormed")
)

// pPolicy (DHCP_POLICY*)
r1, _, err := procDhcpHlprIsV4PolicyWellFormed.Call(
	uintptr(pPolicy),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DhcpHlprIsV4PolicyWellFormed(
  pPolicy: Pointer   // DHCP_POLICY*
): BOOL; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpHlprIsV4PolicyWellFormed';

result := DllCall("DHCPSAPI\DhcpHlprIsV4PolicyWellFormed"
    , "Ptr", pPolicy   ; DHCP_POLICY*
    , "Int")   ; return: BOOL

●DhcpHlprIsV4PolicyWellFormed(pPolicy) = DLL("DHCPSAPI.dll", "bool DhcpHlprIsV4PolicyWellFormed(void*)")
# 呼び出し: DhcpHlprIsV4PolicyWellFormed(pPolicy)
# pPolicy : 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)。