IntlStrEqWorkerW

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

BOOL IntlStrEqWorkerW(
    BOOL fCaseSens,
    LPCWSTR lpString1,
    LPCWSTR lpString2,
    INT nChar
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function IntlStrEqWorkerW(
    fCaseSens As Boolean,   ' BOOL
    <MarshalAs(UnmanagedType.LPWStr)> lpString1 As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpString2 As String,   ' LPCWSTR
    nChar As Integer   ' INT
) As Boolean
End Function

' fCaseSens : BOOL
' lpString1 : LPCWSTR
' lpString2 : LPCWSTR
' nChar : INT
Declare PtrSafe Function IntlStrEqWorkerW Lib "shlwapi" ( _
    ByVal fCaseSens As Long, _
    ByVal lpString1 As LongPtr, _
    ByVal lpString2 As LongPtr, _
    ByVal nChar 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

IntlStrEqWorkerW = ctypes.windll.shlwapi.IntlStrEqWorkerW
IntlStrEqWorkerW.restype = wintypes.BOOL
IntlStrEqWorkerW.argtypes = [
    wintypes.BOOL,  # fCaseSens : BOOL
    wintypes.LPCWSTR,  # lpString1 : LPCWSTR
    wintypes.LPCWSTR,  # lpString2 : LPCWSTR
    ctypes.c_int,  # nChar : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
IntlStrEqWorkerW = Fiddle::Function.new(
  lib['IntlStrEqWorkerW'],
  [
    Fiddle::TYPE_INT,  # fCaseSens : BOOL
    Fiddle::TYPE_VOIDP,  # lpString1 : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpString2 : LPCWSTR
    Fiddle::TYPE_INT,  # nChar : INT
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "shlwapi")]
extern "system" {
    fn IntlStrEqWorkerW(
        fCaseSens: i32,  // BOOL
        lpString1: *const u16,  // LPCWSTR
        lpString2: *const u16,  // LPCWSTR
        nChar: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SHLWAPI.dll", CharSet = CharSet.Unicode)]
public static extern bool IntlStrEqWorkerW(bool fCaseSens, [MarshalAs(UnmanagedType.LPWStr)] string lpString1, [MarshalAs(UnmanagedType.LPWStr)] string lpString2, int nChar);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_IntlStrEqWorkerW' -Namespace Win32 -PassThru
# $api::IntlStrEqWorkerW(fCaseSens, lpString1, lpString2, nChar)

#uselib "SHLWAPI.dll"
#func global IntlStrEqWorkerW "IntlStrEqWorkerW" wptr, wptr, wptr, wptr
; IntlStrEqWorkerW fCaseSens, lpString1, lpString2, nChar   ; 戻り値は stat
; fCaseSens : BOOL -> "wptr"
; lpString1 : LPCWSTR -> "wptr"
; lpString2 : LPCWSTR -> "wptr"
; nChar : 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 "SHLWAPI.dll"
#cfunc global IntlStrEqWorkerW "IntlStrEqWorkerW" int, wstr, wstr, int
; res = IntlStrEqWorkerW(fCaseSens, lpString1, lpString2, nChar)
; fCaseSens : BOOL -> "int"
; lpString1 : LPCWSTR -> "wstr"
; lpString2 : LPCWSTR -> "wstr"
; nChar : INT -> "int"

; BOOL IntlStrEqWorkerW(BOOL fCaseSens, LPCWSTR lpString1, LPCWSTR lpString2, INT nChar)
#uselib "SHLWAPI.dll"
#cfunc global IntlStrEqWorkerW "IntlStrEqWorkerW" int, wstr, wstr, int
; res = IntlStrEqWorkerW(fCaseSens, lpString1, lpString2, nChar)
; fCaseSens : BOOL -> "int"
; lpString1 : LPCWSTR -> "wstr"
; lpString2 : LPCWSTR -> "wstr"
; nChar : INT -> "int"

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

var (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procIntlStrEqWorkerW = shlwapi.NewProc("IntlStrEqWorkerW")
)

// fCaseSens (BOOL), lpString1 (LPCWSTR), lpString2 (LPCWSTR), nChar (INT)
r1, _, err := procIntlStrEqWorkerW.Call(
	uintptr(fCaseSens),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpString1))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpString2))),
	uintptr(nChar),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function IntlStrEqWorkerW(
  fCaseSens: BOOL;   // BOOL
  lpString1: PWideChar;   // LPCWSTR
  lpString2: PWideChar;   // LPCWSTR
  nChar: Integer   // INT
): BOOL; stdcall;
  external 'SHLWAPI.dll' name 'IntlStrEqWorkerW';

result := DllCall("SHLWAPI\IntlStrEqWorkerW"
    , "Int", fCaseSens   ; BOOL
    , "WStr", lpString1   ; LPCWSTR
    , "WStr", lpString2   ; LPCWSTR
    , "Int", nChar   ; INT
    , "Int")   ; return: BOOL

●IntlStrEqWorkerW(fCaseSens, lpString1, lpString2, nChar) = DLL("SHLWAPI.dll", "bool IntlStrEqWorkerW(bool, char*, char*, int)")
# 呼び出し: IntlStrEqWorkerW(fCaseSens, lpString1, lpString2, nChar)
# fCaseSens : BOOL -> "bool"
# lpString1 : LPCWSTR -> "char*"
# lpString2 : LPCWSTR -> "char*"
# nChar : 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。