CompareStringW

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

COMPARESTRING_RESULT CompareStringW(
    DWORD Locale,
    DWORD dwCmpFlags,
    LPCWSTR lpString1,
    INT cchCount1,
    LPCWSTR lpString2,
    INT cchCount2
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function CompareStringW(
    Locale As UInteger,   ' DWORD
    dwCmpFlags As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> lpString1 As String,   ' LPCWSTR
    cchCount1 As Integer,   ' INT
    <MarshalAs(UnmanagedType.LPWStr)> lpString2 As String,   ' LPCWSTR
    cchCount2 As Integer   ' INT
) As Integer
End Function

' Locale : DWORD
' dwCmpFlags : DWORD
' lpString1 : LPCWSTR
' cchCount1 : INT
' lpString2 : LPCWSTR
' cchCount2 : INT
Declare PtrSafe Function CompareStringW Lib "kernel32" ( _
    ByVal Locale As Long, _
    ByVal dwCmpFlags As Long, _
    ByVal lpString1 As LongPtr, _
    ByVal cchCount1 As Long, _
    ByVal lpString2 As LongPtr, _
    ByVal cchCount2 As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CompareStringW = ctypes.windll.kernel32.CompareStringW
CompareStringW.restype = ctypes.c_int
CompareStringW.argtypes = [
    wintypes.DWORD,  # Locale : DWORD
    wintypes.DWORD,  # dwCmpFlags : DWORD
    wintypes.LPCWSTR,  # lpString1 : LPCWSTR
    ctypes.c_int,  # cchCount1 : INT
    wintypes.LPCWSTR,  # lpString2 : LPCWSTR
    ctypes.c_int,  # cchCount2 : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
CompareStringW = Fiddle::Function.new(
  lib['CompareStringW'],
  [
    -Fiddle::TYPE_INT,  # Locale : DWORD
    -Fiddle::TYPE_INT,  # dwCmpFlags : DWORD
    Fiddle::TYPE_VOIDP,  # lpString1 : LPCWSTR
    Fiddle::TYPE_INT,  # cchCount1 : INT
    Fiddle::TYPE_VOIDP,  # lpString2 : LPCWSTR
    Fiddle::TYPE_INT,  # cchCount2 : INT
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "kernel32")]
extern "system" {
    fn CompareStringW(
        Locale: u32,  // DWORD
        dwCmpFlags: u32,  // DWORD
        lpString1: *const u16,  // LPCWSTR
        cchCount1: i32,  // INT
        lpString2: *const u16,  // LPCWSTR
        cchCount2: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode)]
public static extern int CompareStringW(uint Locale, uint dwCmpFlags, [MarshalAs(UnmanagedType.LPWStr)] string lpString1, int cchCount1, [MarshalAs(UnmanagedType.LPWStr)] string lpString2, int cchCount2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_CompareStringW' -Namespace Win32 -PassThru
# $api::CompareStringW(Locale, dwCmpFlags, lpString1, cchCount1, lpString2, cchCount2)

#uselib "KERNEL32.dll"
#func global CompareStringW "CompareStringW" wptr, wptr, wptr, wptr, wptr, wptr
; CompareStringW Locale, dwCmpFlags, lpString1, cchCount1, lpString2, cchCount2   ; 戻り値は stat
; Locale : DWORD -> "wptr"
; dwCmpFlags : DWORD -> "wptr"
; lpString1 : LPCWSTR -> "wptr"
; cchCount1 : INT -> "wptr"
; lpString2 : LPCWSTR -> "wptr"
; cchCount2 : INT -> "wptr"
; ※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 "KERNEL32.dll"
#cfunc global CompareStringW "CompareStringW" int, int, wstr, int, wstr, int
; res = CompareStringW(Locale, dwCmpFlags, lpString1, cchCount1, lpString2, cchCount2)
; Locale : DWORD -> "int"
; dwCmpFlags : DWORD -> "int"
; lpString1 : LPCWSTR -> "wstr"
; cchCount1 : INT -> "int"
; lpString2 : LPCWSTR -> "wstr"
; cchCount2 : INT -> "int"

; COMPARESTRING_RESULT CompareStringW(DWORD Locale, DWORD dwCmpFlags, LPCWSTR lpString1, INT cchCount1, LPCWSTR lpString2, INT cchCount2)
#uselib "KERNEL32.dll"
#cfunc global CompareStringW "CompareStringW" int, int, wstr, int, wstr, int
; res = CompareStringW(Locale, dwCmpFlags, lpString1, cchCount1, lpString2, cchCount2)
; Locale : DWORD -> "int"
; dwCmpFlags : DWORD -> "int"
; lpString1 : LPCWSTR -> "wstr"
; cchCount1 : INT -> "int"
; lpString2 : LPCWSTR -> "wstr"
; cchCount2 : INT -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procCompareStringW = kernel32.NewProc("CompareStringW")
)

// Locale (DWORD), dwCmpFlags (DWORD), lpString1 (LPCWSTR), cchCount1 (INT), lpString2 (LPCWSTR), cchCount2 (INT)
r1, _, err := procCompareStringW.Call(
	uintptr(Locale),
	uintptr(dwCmpFlags),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpString1))),
	uintptr(cchCount1),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpString2))),
	uintptr(cchCount2),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // COMPARESTRING_RESULT

function CompareStringW(
  Locale: DWORD;   // DWORD
  dwCmpFlags: DWORD;   // DWORD
  lpString1: PWideChar;   // LPCWSTR
  cchCount1: Integer;   // INT
  lpString2: PWideChar;   // LPCWSTR
  cchCount2: Integer   // INT
): Integer; stdcall;
  external 'KERNEL32.dll' name 'CompareStringW';

result := DllCall("KERNEL32\CompareStringW"
    , "UInt", Locale   ; DWORD
    , "UInt", dwCmpFlags   ; DWORD
    , "WStr", lpString1   ; LPCWSTR
    , "Int", cchCount1   ; INT
    , "WStr", lpString2   ; LPCWSTR
    , "Int", cchCount2   ; INT
    , "Int")   ; return: COMPARESTRING_RESULT

●CompareStringW(Locale, dwCmpFlags, lpString1, cchCount1, lpString2, cchCount2) = DLL("KERNEL32.dll", "int CompareStringW(dword, dword, char*, int, char*, int)")
# 呼び出し: CompareStringW(Locale, dwCmpFlags, lpString1, cchCount1, lpString2, cchCount2)
# Locale : DWORD -> "dword"
# dwCmpFlags : DWORD -> "dword"
# lpString1 : LPCWSTR -> "char*"
# cchCount1 : INT -> "int"
# lpString2 : LPCWSTR -> "char*"
# cchCount2 : INT -> "int"
# 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "kernel32" fn CompareStringW(
    Locale: u32, // DWORD
    dwCmpFlags: u32, // DWORD
    lpString1: [*c]const u16, // LPCWSTR
    cchCount1: i32, // INT
    lpString2: [*c]const u16, // LPCWSTR
    cchCount2: i32 // INT
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc CompareStringW(
    Locale: uint32,  # DWORD
    dwCmpFlags: uint32,  # DWORD
    lpString1: WideCString,  # LPCWSTR
    cchCount1: int32,  # INT
    lpString2: WideCString,  # LPCWSTR
    cchCount2: int32  # INT
): int32 {.importc: "CompareStringW", stdcall, dynlib: "KERNEL32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "kernel32");
extern(Windows)
int CompareStringW(
    uint Locale,   // DWORD
    uint dwCmpFlags,   // DWORD
    const(wchar)* lpString1,   // LPCWSTR
    int cchCount1,   // INT
    const(wchar)* lpString2,   // LPCWSTR
    int cchCount2   // INT
);

ccall((:CompareStringW, "KERNEL32.dll"), stdcall, Int32,
      (UInt32, UInt32, Cwstring, Int32, Cwstring, Int32),
      Locale, dwCmpFlags, lpString1, cchCount1, lpString2, cchCount2)
# Locale : DWORD -> UInt32
# dwCmpFlags : DWORD -> UInt32
# lpString1 : LPCWSTR -> Cwstring
# cchCount1 : INT -> Int32
# lpString2 : LPCWSTR -> Cwstring
# cchCount2 : INT -> Int32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t CompareStringW(
    uint32_t Locale,
    uint32_t dwCmpFlags,
    const uint16_t* lpString1,
    int32_t cchCount1,
    const uint16_t* lpString2,
    int32_t cchCount2);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.CompareStringW(Locale, dwCmpFlags, lpString1, cchCount1, lpString2, cchCount2)
-- Locale : DWORD
-- dwCmpFlags : DWORD
-- lpString1 : LPCWSTR
-- cchCount1 : INT
-- lpString2 : LPCWSTR
-- cchCount2 : INT
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('KERNEL32.dll');
const CompareStringW = lib.func('__stdcall', 'CompareStringW', 'int32_t', ['uint32_t', 'uint32_t', 'str16', 'int32_t', 'str16', 'int32_t']);
// CompareStringW(Locale, dwCmpFlags, lpString1, cchCount1, lpString2, cchCount2)
// Locale : DWORD -> 'uint32_t'
// dwCmpFlags : DWORD -> 'uint32_t'
// lpString1 : LPCWSTR -> 'str16'
// cchCount1 : INT -> 'int32_t'
// lpString2 : LPCWSTR -> 'str16'
// cchCount2 : INT -> 'int32_t'
// 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", {
  CompareStringW: { parameters: ["u32", "u32", "buffer", "i32", "buffer", "i32"], result: "i32" },
});
// lib.symbols.CompareStringW(Locale, dwCmpFlags, lpString1, cchCount1, lpString2, cchCount2)
// Locale : DWORD -> "u32"
// dwCmpFlags : DWORD -> "u32"
// lpString1 : LPCWSTR -> "buffer"
// cchCount1 : INT -> "i32"
// lpString2 : LPCWSTR -> "buffer"
// cchCount2 : INT -> "i32"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t CompareStringW(
    uint32_t Locale,
    uint32_t dwCmpFlags,
    const uint16_t* lpString1,
    int32_t cchCount1,
    const uint16_t* lpString2,
    int32_t cchCount2);
C, "KERNEL32.dll");
// $ffi->CompareStringW(Locale, dwCmpFlags, lpString1, cchCount1, lpString2, cchCount2);
// Locale : DWORD
// dwCmpFlags : DWORD
// lpString1 : LPCWSTR
// cchCount1 : INT
// lpString2 : LPCWSTR
// cchCount2 : INT
// 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, W32APIOptions.UNICODE_OPTIONS);
    int CompareStringW(
        int Locale,   // DWORD
        int dwCmpFlags,   // DWORD
        WString lpString1,   // LPCWSTR
        int cchCount1,   // INT
        WString lpString2,   // LPCWSTR
        int cchCount2   // INT
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("kernel32")]
lib LibKERNEL32
  fun CompareStringW = CompareStringW(
    Locale : UInt32,   # DWORD
    dwCmpFlags : UInt32,   # DWORD
    lpString1 : UInt16*,   # LPCWSTR
    cchCount1 : Int32,   # INT
    lpString2 : UInt16*,   # LPCWSTR
    cchCount2 : Int32   # INT
  ) : Int32
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 CompareStringWNative = Int32 Function(Uint32, Uint32, Pointer<Utf16>, Int32, Pointer<Utf16>, Int32);
typedef CompareStringWDart = int Function(int, int, Pointer<Utf16>, int, Pointer<Utf16>, int);
final CompareStringW = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<CompareStringWNative, CompareStringWDart>('CompareStringW');
// Locale : DWORD -> Uint32
// dwCmpFlags : DWORD -> Uint32
// lpString1 : LPCWSTR -> Pointer<Utf16>
// cchCount1 : INT -> Int32
// lpString2 : LPCWSTR -> Pointer<Utf16>
// cchCount2 : INT -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CompareStringW(
  Locale: DWORD;   // DWORD
  dwCmpFlags: DWORD;   // DWORD
  lpString1: PWideChar;   // LPCWSTR
  cchCount1: Integer;   // INT
  lpString2: PWideChar;   // LPCWSTR
  cchCount2: Integer   // INT
): Integer; stdcall;
  external 'KERNEL32.dll' name 'CompareStringW';

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

foreign import stdcall safe "CompareStringW"
  c_CompareStringW :: Word32 -> Word32 -> CWString -> Int32 -> CWString -> Int32 -> IO Int32
-- Locale : DWORD -> Word32
-- dwCmpFlags : DWORD -> Word32
-- lpString1 : LPCWSTR -> CWString
-- cchCount1 : INT -> Int32
-- lpString2 : LPCWSTR -> CWString
-- cchCount2 : INT -> Int32
-- 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 comparestringw =
  foreign "CompareStringW"
    (uint32_t @-> uint32_t @-> (ptr uint16_t) @-> int32_t @-> (ptr uint16_t) @-> int32_t @-> returning int32_t)
(* Locale : DWORD -> uint32_t *)
(* dwCmpFlags : DWORD -> uint32_t *)
(* lpString1 : LPCWSTR -> (ptr uint16_t) *)
(* cchCount1 : INT -> int32_t *)
(* lpString2 : LPCWSTR -> (ptr uint16_t) *)
(* cchCount2 : INT -> int32_t *)
(* 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 ("CompareStringW" compare-string-w :convention :stdcall) :int32
  (locale :uint32)   ; DWORD
  (dw-cmp-flags :uint32)   ; DWORD
  (lp-string1 (:string :encoding :utf-16le))   ; LPCWSTR
  (cch-count1 :int32)   ; INT
  (lp-string2 (:string :encoding :utf-16le))   ; LPCWSTR
  (cch-count2 :int32))   ; INT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CompareStringW = Win32::API::More->new('KERNEL32',
    'int CompareStringW(DWORD Locale, DWORD dwCmpFlags, LPCWSTR lpString1, int cchCount1, LPCWSTR lpString2, int cchCount2)');
# my $ret = $CompareStringW->Call($Locale, $dwCmpFlags, $lpString1, $cchCount1, $lpString2, $cchCount2);
# Locale : DWORD -> DWORD
# dwCmpFlags : DWORD -> DWORD
# lpString1 : LPCWSTR -> LPCWSTR
# cchCount1 : INT -> int
# lpString2 : LPCWSTR -> LPCWSTR
# cchCount2 : INT -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。