QueryLogPolicy

// clfsw32.dll
#include <windows.h>

BOOL QueryLogPolicy(
    HANDLE hLog,
    CLFS_MGMT_POLICY_TYPE ePolicyType,
    CLFS_MGMT_POLICY* pPolicyBuffer,
    DWORD* pcbPolicyBuffer
);

<DllImport("clfsw32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function QueryLogPolicy(
    hLog As IntPtr,   ' HANDLE
    ePolicyType As Integer,   ' CLFS_MGMT_POLICY_TYPE
    pPolicyBuffer As IntPtr,   ' CLFS_MGMT_POLICY* in/out
    ByRef pcbPolicyBuffer As UInteger   ' DWORD* in/out
) As Boolean
End Function

' hLog : HANDLE
' ePolicyType : CLFS_MGMT_POLICY_TYPE
' pPolicyBuffer : CLFS_MGMT_POLICY* in/out
' pcbPolicyBuffer : DWORD* in/out
Declare PtrSafe Function QueryLogPolicy Lib "clfsw32" ( _
    ByVal hLog As LongPtr, _
    ByVal ePolicyType As Long, _
    ByVal pPolicyBuffer As LongPtr, _
    ByRef pcbPolicyBuffer 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

QueryLogPolicy = ctypes.windll.clfsw32.QueryLogPolicy
QueryLogPolicy.restype = wintypes.BOOL
QueryLogPolicy.argtypes = [
    wintypes.HANDLE,  # hLog : HANDLE
    ctypes.c_int,  # ePolicyType : CLFS_MGMT_POLICY_TYPE
    ctypes.c_void_p,  # pPolicyBuffer : CLFS_MGMT_POLICY* in/out
    ctypes.POINTER(wintypes.DWORD),  # pcbPolicyBuffer : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('clfsw32.dll')
QueryLogPolicy = Fiddle::Function.new(
  lib['QueryLogPolicy'],
  [
    Fiddle::TYPE_VOIDP,  # hLog : HANDLE
    Fiddle::TYPE_INT,  # ePolicyType : CLFS_MGMT_POLICY_TYPE
    Fiddle::TYPE_VOIDP,  # pPolicyBuffer : CLFS_MGMT_POLICY* in/out
    Fiddle::TYPE_VOIDP,  # pcbPolicyBuffer : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "clfsw32")]
extern "system" {
    fn QueryLogPolicy(
        hLog: *mut core::ffi::c_void,  // HANDLE
        ePolicyType: i32,  // CLFS_MGMT_POLICY_TYPE
        pPolicyBuffer: *mut CLFS_MGMT_POLICY,  // CLFS_MGMT_POLICY* in/out
        pcbPolicyBuffer: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("clfsw32.dll", SetLastError = true)]
public static extern bool QueryLogPolicy(IntPtr hLog, int ePolicyType, IntPtr pPolicyBuffer, ref uint pcbPolicyBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'clfsw32_QueryLogPolicy' -Namespace Win32 -PassThru
# $api::QueryLogPolicy(hLog, ePolicyType, pPolicyBuffer, pcbPolicyBuffer)

#uselib "clfsw32.dll"
#func global QueryLogPolicy "QueryLogPolicy" sptr, sptr, sptr, sptr
; QueryLogPolicy hLog, ePolicyType, varptr(pPolicyBuffer), varptr(pcbPolicyBuffer)   ; 戻り値は stat
; hLog : HANDLE -> "sptr"
; ePolicyType : CLFS_MGMT_POLICY_TYPE -> "sptr"
; pPolicyBuffer : CLFS_MGMT_POLICY* in/out -> "sptr"
; pcbPolicyBuffer : 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。

#uselib "clfsw32.dll"
#cfunc global QueryLogPolicy "QueryLogPolicy" sptr, int, var, var
; res = QueryLogPolicy(hLog, ePolicyType, pPolicyBuffer, pcbPolicyBuffer)
; hLog : HANDLE -> "sptr"
; ePolicyType : CLFS_MGMT_POLICY_TYPE -> "int"
; pPolicyBuffer : CLFS_MGMT_POLICY* in/out -> "var"
; pcbPolicyBuffer : 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。

; BOOL QueryLogPolicy(HANDLE hLog, CLFS_MGMT_POLICY_TYPE ePolicyType, CLFS_MGMT_POLICY* pPolicyBuffer, DWORD* pcbPolicyBuffer)
#uselib "clfsw32.dll"
#cfunc global QueryLogPolicy "QueryLogPolicy" intptr, int, var, var
; res = QueryLogPolicy(hLog, ePolicyType, pPolicyBuffer, pcbPolicyBuffer)
; hLog : HANDLE -> "intptr"
; ePolicyType : CLFS_MGMT_POLICY_TYPE -> "int"
; pPolicyBuffer : CLFS_MGMT_POLICY* in/out -> "var"
; pcbPolicyBuffer : 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。

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

var (
	clfsw32 = windows.NewLazySystemDLL("clfsw32.dll")
	procQueryLogPolicy = clfsw32.NewProc("QueryLogPolicy")
)

// hLog (HANDLE), ePolicyType (CLFS_MGMT_POLICY_TYPE), pPolicyBuffer (CLFS_MGMT_POLICY* in/out), pcbPolicyBuffer (DWORD* in/out)
r1, _, err := procQueryLogPolicy.Call(
	uintptr(hLog),
	uintptr(ePolicyType),
	uintptr(pPolicyBuffer),
	uintptr(pcbPolicyBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function QueryLogPolicy(
  hLog: THandle;   // HANDLE
  ePolicyType: Integer;   // CLFS_MGMT_POLICY_TYPE
  pPolicyBuffer: Pointer;   // CLFS_MGMT_POLICY* in/out
  pcbPolicyBuffer: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'clfsw32.dll' name 'QueryLogPolicy';

result := DllCall("clfsw32\QueryLogPolicy"
    , "Ptr", hLog   ; HANDLE
    , "Int", ePolicyType   ; CLFS_MGMT_POLICY_TYPE
    , "Ptr", pPolicyBuffer   ; CLFS_MGMT_POLICY* in/out
    , "Ptr", pcbPolicyBuffer   ; DWORD* in/out
    , "Int")   ; return: BOOL

●QueryLogPolicy(hLog, ePolicyType, pPolicyBuffer, pcbPolicyBuffer) = DLL("clfsw32.dll", "bool QueryLogPolicy(void*, int, void*, void*)")
# 呼び出し: QueryLogPolicy(hLog, ePolicyType, pPolicyBuffer, pcbPolicyBuffer)
# hLog : HANDLE -> "void*"
# ePolicyType : CLFS_MGMT_POLICY_TYPE -> "int"
# pPolicyBuffer : CLFS_MGMT_POLICY* in/out -> "void*"
# pcbPolicyBuffer : 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)。