ReadPreviousLogRestartArea

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

BOOL ReadPreviousLogRestartArea(
    void* pvReadContext,
    void** ppvRestartBuffer,
    DWORD* pcbRestartBuffer,
    CLS_LSN* plsnRestart,
    OVERLAPPED* pOverlapped
);

<DllImport("clfsw32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ReadPreviousLogRestartArea(
    pvReadContext As IntPtr,   ' void* in/out
    ppvRestartBuffer As IntPtr,   ' void** in/out
    ByRef pcbRestartBuffer As UInteger,   ' DWORD* in/out
    plsnRestart As IntPtr,   ' CLS_LSN* in/out
    pOverlapped As IntPtr   ' OVERLAPPED* in/out
) As Boolean
End Function

' pvReadContext : void* in/out
' ppvRestartBuffer : void** in/out
' pcbRestartBuffer : DWORD* in/out
' plsnRestart : CLS_LSN* in/out
' pOverlapped : OVERLAPPED* in/out
Declare PtrSafe Function ReadPreviousLogRestartArea Lib "clfsw32" ( _
    ByVal pvReadContext As LongPtr, _
    ByVal ppvRestartBuffer As LongPtr, _
    ByRef pcbRestartBuffer As Long, _
    ByVal plsnRestart As LongPtr, _
    ByVal pOverlapped 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

ReadPreviousLogRestartArea = ctypes.windll.clfsw32.ReadPreviousLogRestartArea
ReadPreviousLogRestartArea.restype = wintypes.BOOL
ReadPreviousLogRestartArea.argtypes = [
    ctypes.POINTER(None),  # pvReadContext : void* in/out
    ctypes.c_void_p,  # ppvRestartBuffer : void** in/out
    ctypes.POINTER(wintypes.DWORD),  # pcbRestartBuffer : DWORD* in/out
    ctypes.c_void_p,  # plsnRestart : CLS_LSN* in/out
    ctypes.c_void_p,  # pOverlapped : OVERLAPPED* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('clfsw32.dll')
ReadPreviousLogRestartArea = Fiddle::Function.new(
  lib['ReadPreviousLogRestartArea'],
  [
    Fiddle::TYPE_VOIDP,  # pvReadContext : void* in/out
    Fiddle::TYPE_VOIDP,  # ppvRestartBuffer : void** in/out
    Fiddle::TYPE_VOIDP,  # pcbRestartBuffer : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # plsnRestart : CLS_LSN* in/out
    Fiddle::TYPE_VOIDP,  # pOverlapped : OVERLAPPED* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "clfsw32")]
extern "system" {
    fn ReadPreviousLogRestartArea(
        pvReadContext: *mut (),  // void* in/out
        ppvRestartBuffer: *mut *mut (),  // void** in/out
        pcbRestartBuffer: *mut u32,  // DWORD* in/out
        plsnRestart: *mut CLS_LSN,  // CLS_LSN* in/out
        pOverlapped: *mut OVERLAPPED  // OVERLAPPED* 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 ReadPreviousLogRestartArea(IntPtr pvReadContext, IntPtr ppvRestartBuffer, ref uint pcbRestartBuffer, IntPtr plsnRestart, IntPtr pOverlapped);
"@
$api = Add-Type -MemberDefinition $sig -Name 'clfsw32_ReadPreviousLogRestartArea' -Namespace Win32 -PassThru
# $api::ReadPreviousLogRestartArea(pvReadContext, ppvRestartBuffer, pcbRestartBuffer, plsnRestart, pOverlapped)

#uselib "clfsw32.dll"
#func global ReadPreviousLogRestartArea "ReadPreviousLogRestartArea" sptr, sptr, sptr, sptr, sptr
; ReadPreviousLogRestartArea pvReadContext, ppvRestartBuffer, varptr(pcbRestartBuffer), varptr(plsnRestart), varptr(pOverlapped)   ; 戻り値は stat
; pvReadContext : void* in/out -> "sptr"
; ppvRestartBuffer : void** in/out -> "sptr"
; pcbRestartBuffer : DWORD* in/out -> "sptr"
; plsnRestart : CLS_LSN* in/out -> "sptr"
; pOverlapped : OVERLAPPED* 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 ReadPreviousLogRestartArea "ReadPreviousLogRestartArea" sptr, sptr, var, var, var
; res = ReadPreviousLogRestartArea(pvReadContext, ppvRestartBuffer, pcbRestartBuffer, plsnRestart, pOverlapped)
; pvReadContext : void* in/out -> "sptr"
; ppvRestartBuffer : void** in/out -> "sptr"
; pcbRestartBuffer : DWORD* in/out -> "var"
; plsnRestart : CLS_LSN* in/out -> "var"
; pOverlapped : OVERLAPPED* 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 ReadPreviousLogRestartArea(void* pvReadContext, void** ppvRestartBuffer, DWORD* pcbRestartBuffer, CLS_LSN* plsnRestart, OVERLAPPED* pOverlapped)
#uselib "clfsw32.dll"
#cfunc global ReadPreviousLogRestartArea "ReadPreviousLogRestartArea" intptr, intptr, var, var, var
; res = ReadPreviousLogRestartArea(pvReadContext, ppvRestartBuffer, pcbRestartBuffer, plsnRestart, pOverlapped)
; pvReadContext : void* in/out -> "intptr"
; ppvRestartBuffer : void** in/out -> "intptr"
; pcbRestartBuffer : DWORD* in/out -> "var"
; plsnRestart : CLS_LSN* in/out -> "var"
; pOverlapped : OVERLAPPED* 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")
	procReadPreviousLogRestartArea = clfsw32.NewProc("ReadPreviousLogRestartArea")
)

// pvReadContext (void* in/out), ppvRestartBuffer (void** in/out), pcbRestartBuffer (DWORD* in/out), plsnRestart (CLS_LSN* in/out), pOverlapped (OVERLAPPED* in/out)
r1, _, err := procReadPreviousLogRestartArea.Call(
	uintptr(pvReadContext),
	uintptr(ppvRestartBuffer),
	uintptr(pcbRestartBuffer),
	uintptr(plsnRestart),
	uintptr(pOverlapped),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ReadPreviousLogRestartArea(
  pvReadContext: Pointer;   // void* in/out
  ppvRestartBuffer: Pointer;   // void** in/out
  pcbRestartBuffer: Pointer;   // DWORD* in/out
  plsnRestart: Pointer;   // CLS_LSN* in/out
  pOverlapped: Pointer   // OVERLAPPED* in/out
): BOOL; stdcall;
  external 'clfsw32.dll' name 'ReadPreviousLogRestartArea';

result := DllCall("clfsw32\ReadPreviousLogRestartArea"
    , "Ptr", pvReadContext   ; void* in/out
    , "Ptr", ppvRestartBuffer   ; void** in/out
    , "Ptr", pcbRestartBuffer   ; DWORD* in/out
    , "Ptr", plsnRestart   ; CLS_LSN* in/out
    , "Ptr", pOverlapped   ; OVERLAPPED* in/out
    , "Int")   ; return: BOOL

●ReadPreviousLogRestartArea(pvReadContext, ppvRestartBuffer, pcbRestartBuffer, plsnRestart, pOverlapped) = DLL("clfsw32.dll", "bool ReadPreviousLogRestartArea(void*, void*, void*, void*, void*)")
# 呼び出し: ReadPreviousLogRestartArea(pvReadContext, ppvRestartBuffer, pcbRestartBuffer, plsnRestart, pOverlapped)
# pvReadContext : void* in/out -> "void*"
# ppvRestartBuffer : void** in/out -> "void*"
# pcbRestartBuffer : DWORD* in/out -> "void*"
# plsnRestart : CLS_LSN* in/out -> "void*"
# pOverlapped : OVERLAPPED* 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)。