FlushLogBuffers

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

BOOL FlushLogBuffers(
    void* pvMarshal,
    OVERLAPPED* pOverlapped   // optional
);

<DllImport("clfsw32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FlushLogBuffers(
    pvMarshal As IntPtr,   ' void*
    pOverlapped As IntPtr   ' OVERLAPPED* optional, in/out
) As Boolean
End Function

' pvMarshal : void*
' pOverlapped : OVERLAPPED* optional, in/out
Declare PtrSafe Function FlushLogBuffers Lib "clfsw32" ( _
    ByVal pvMarshal 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

FlushLogBuffers = ctypes.windll.clfsw32.FlushLogBuffers
FlushLogBuffers.restype = wintypes.BOOL
FlushLogBuffers.argtypes = [
    ctypes.POINTER(None),  # pvMarshal : void*
    ctypes.c_void_p,  # pOverlapped : OVERLAPPED* optional, in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('clfsw32.dll')
FlushLogBuffers = Fiddle::Function.new(
  lib['FlushLogBuffers'],
  [
    Fiddle::TYPE_VOIDP,  # pvMarshal : void*
    Fiddle::TYPE_VOIDP,  # pOverlapped : OVERLAPPED* optional, in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "clfsw32")]
extern "system" {
    fn FlushLogBuffers(
        pvMarshal: *mut (),  // void*
        pOverlapped: *mut OVERLAPPED  // OVERLAPPED* optional, 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 FlushLogBuffers(IntPtr pvMarshal, IntPtr pOverlapped);
"@
$api = Add-Type -MemberDefinition $sig -Name 'clfsw32_FlushLogBuffers' -Namespace Win32 -PassThru
# $api::FlushLogBuffers(pvMarshal, pOverlapped)

#uselib "clfsw32.dll"
#func global FlushLogBuffers "FlushLogBuffers" sptr, sptr
; FlushLogBuffers pvMarshal, varptr(pOverlapped)   ; 戻り値は stat
; pvMarshal : void* -> "sptr"
; pOverlapped : OVERLAPPED* optional, 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 FlushLogBuffers "FlushLogBuffers" sptr, var
; res = FlushLogBuffers(pvMarshal, pOverlapped)
; pvMarshal : void* -> "sptr"
; pOverlapped : OVERLAPPED* optional, 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 FlushLogBuffers(void* pvMarshal, OVERLAPPED* pOverlapped)
#uselib "clfsw32.dll"
#cfunc global FlushLogBuffers "FlushLogBuffers" intptr, var
; res = FlushLogBuffers(pvMarshal, pOverlapped)
; pvMarshal : void* -> "intptr"
; pOverlapped : OVERLAPPED* optional, 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")
	procFlushLogBuffers = clfsw32.NewProc("FlushLogBuffers")
)

// pvMarshal (void*), pOverlapped (OVERLAPPED* optional, in/out)
r1, _, err := procFlushLogBuffers.Call(
	uintptr(pvMarshal),
	uintptr(pOverlapped),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FlushLogBuffers(
  pvMarshal: Pointer;   // void*
  pOverlapped: Pointer   // OVERLAPPED* optional, in/out
): BOOL; stdcall;
  external 'clfsw32.dll' name 'FlushLogBuffers';

result := DllCall("clfsw32\FlushLogBuffers"
    , "Ptr", pvMarshal   ; void*
    , "Ptr", pOverlapped   ; OVERLAPPED* optional, in/out
    , "Int")   ; return: BOOL

●FlushLogBuffers(pvMarshal, pOverlapped) = DLL("clfsw32.dll", "bool FlushLogBuffers(void*, void*)")
# 呼び出し: FlushLogBuffers(pvMarshal, pOverlapped)
# pvMarshal : void* -> "void*"
# pOverlapped : OVERLAPPED* optional, 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)。