FlushProcessWriteBuffers

// KERNEL32.dll
#include <windows.h>

void FlushProcessWriteBuffers(void);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Sub FlushProcessWriteBuffers()
End Sub

Declare PtrSafe Sub FlushProcessWriteBuffers Lib "kernel32" ()
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

FlushProcessWriteBuffers = ctypes.windll.kernel32.FlushProcessWriteBuffers
FlushProcessWriteBuffers.restype = None
FlushProcessWriteBuffers.argtypes = []

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
FlushProcessWriteBuffers = Fiddle::Function.new(
  lib['FlushProcessWriteBuffers'],
  [],
  Fiddle::TYPE_VOID)

#[link(name = "kernel32")]
extern "system" {
    fn FlushProcessWriteBuffers();
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern void FlushProcessWriteBuffers();
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_FlushProcessWriteBuffers' -Namespace Win32 -PassThru
# $api::FlushProcessWriteBuffers()

#uselib "KERNEL32.dll"
#func global FlushProcessWriteBuffers "FlushProcessWriteBuffers"
; FlushProcessWriteBuffers

#uselib "KERNEL32.dll"
#func global FlushProcessWriteBuffers "FlushProcessWriteBuffers"
; FlushProcessWriteBuffers

; void FlushProcessWriteBuffers()
#uselib "KERNEL32.dll"
#func global FlushProcessWriteBuffers "FlushProcessWriteBuffers"
; FlushProcessWriteBuffers

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procFlushProcessWriteBuffers = kernel32.NewProc("FlushProcessWriteBuffers")
)

r1, _, err := procFlushProcessWriteBuffers.Call()
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure FlushProcessWriteBuffers; stdcall;
  external 'KERNEL32.dll' name 'FlushProcessWriteBuffers';

result := DllCall("KERNEL32\FlushProcessWriteBuffers", "Int")

●FlushProcessWriteBuffers() = DLL("KERNEL32.dll", "int FlushProcessWriteBuffers()")
# 呼び出し: FlushProcessWriteBuffers()
# 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)。

const std = @import("std");

extern "kernel32" fn FlushProcessWriteBuffers() callconv(std.os.windows.WINAPI) void;

proc FlushProcessWriteBuffers() {.importc: "FlushProcessWriteBuffers", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
void FlushProcessWriteBuffers();

ccall((:FlushProcessWriteBuffers, "KERNEL32.dll"), stdcall, Cvoid,
      (),
      )
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void FlushProcessWriteBuffers(void);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.FlushProcessWriteBuffers()
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('KERNEL32.dll');
const FlushProcessWriteBuffers = lib.func('__stdcall', 'FlushProcessWriteBuffers', 'void', []);
// FlushProcessWriteBuffers()
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("KERNEL32.dll", {
  FlushProcessWriteBuffers: { parameters: [], result: "void" },
});
// lib.symbols.FlushProcessWriteBuffers()
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
void FlushProcessWriteBuffers(void);
C, "KERNEL32.dll");
// $ffi->FlushProcessWriteBuffers();
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    void FlushProcessWriteBuffers();
}

@[Link("kernel32")]
lib LibKERNEL32
  fun FlushProcessWriteBuffers = FlushProcessWriteBuffers() : Void
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef FlushProcessWriteBuffersNative = Void Function();
typedef FlushProcessWriteBuffersDart = void Function();
final FlushProcessWriteBuffers = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<FlushProcessWriteBuffersNative, FlushProcessWriteBuffersDart>('FlushProcessWriteBuffers');
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure FlushProcessWriteBuffers; stdcall;
  external 'KERNEL32.dll' name 'FlushProcessWriteBuffers';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "FlushProcessWriteBuffers"
  c_FlushProcessWriteBuffers :: IO ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let flushprocesswritebuffers =
  foreign "FlushProcessWriteBuffers"
    (void @-> returning void)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("FlushProcessWriteBuffers" flush-process-write-buffers :convention :stdcall) :void)
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $FlushProcessWriteBuffers = Win32::API::More->new('KERNEL32',
    'void FlushProcessWriteBuffers()');
# my $ret = $FlushProcessWriteBuffers->Call();
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。