u_strFindLast

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

WORD* u_strFindLast(
    const WORD* s,
    INT length,
    const WORD* substring,
    INT subLength
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function u_strFindLast(
    ByRef s As UShort,   ' WORD*
    length As Integer,   ' INT
    ByRef substring As UShort,   ' WORD*
    subLength As Integer   ' INT
) As IntPtr
End Function

' s : WORD*
' length : INT
' substring : WORD*
' subLength : INT
Declare PtrSafe Function u_strFindLast Lib "icuuc" ( _
    ByRef s As Integer, _
    ByVal length As Long, _
    ByRef substring As Integer, _
    ByVal subLength As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

u_strFindLast = ctypes.cdll.icuuc.u_strFindLast
u_strFindLast.restype = ctypes.c_void_p
u_strFindLast.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # s : WORD*
    ctypes.c_int,  # length : INT
    ctypes.POINTER(ctypes.c_ushort),  # substring : WORD*
    ctypes.c_int,  # subLength : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
u_strFindLast = Fiddle::Function.new(
  lib['u_strFindLast'],
  [
    Fiddle::TYPE_VOIDP,  # s : WORD*
    Fiddle::TYPE_INT,  # length : INT
    Fiddle::TYPE_VOIDP,  # substring : WORD*
    Fiddle::TYPE_INT,  # subLength : INT
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn u_strFindLast(
        s: *const u16,  // WORD*
        length: i32,  // INT
        substring: *const u16,  // WORD*
        subLength: i32  // INT
    ) -> *mut u16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr u_strFindLast(ref ushort s, int length, ref ushort substring, int subLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_u_strFindLast' -Namespace Win32 -PassThru
# $api::u_strFindLast(s, length, substring, subLength)

#uselib "icuuc.dll"
#func global u_strFindLast "u_strFindLast" sptr, sptr, sptr, sptr
; u_strFindLast varptr(s), length, varptr(substring), subLength   ; 戻り値は stat
; s : WORD* -> "sptr"
; length : INT -> "sptr"
; substring : WORD* -> "sptr"
; subLength : INT -> "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。

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procu_strFindLast = icuuc.NewProc("u_strFindLast")
)

// s (WORD*), length (INT), substring (WORD*), subLength (INT)
r1, _, err := procu_strFindLast.Call(
	uintptr(s),
	uintptr(length),
	uintptr(substring),
	uintptr(subLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WORD*

function u_strFindLast(
  s: Pointer;   // WORD*
  length: Integer;   // INT
  substring: Pointer;   // WORD*
  subLength: Integer   // INT
): Pointer; cdecl;
  external 'icuuc.dll' name 'u_strFindLast';

result := DllCall("icuuc\u_strFindLast"
    , "Ptr", s   ; WORD*
    , "Int", length   ; INT
    , "Ptr", substring   ; WORD*
    , "Int", subLength   ; INT
    , "Cdecl Ptr")   ; return: WORD*

●u_strFindLast(s, length, substring, subLength) = DLL("icuuc.dll", "void* u_strFindLast(void*, int, void*, int)")
# 呼び出し: u_strFindLast(s, length, substring, subLength)
# s : WORD* -> "void*"
# length : INT -> "int"
# substring : WORD* -> "void*"
# subLength : 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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。

const std = @import("std");

extern "icuuc" fn u_strFindLast(
    s: [*c]u16, // WORD*
    length: i32, // INT
    substring: [*c]u16, // WORD*
    subLength: i32 // INT
) callconv(.c) [*c]u16;

proc u_strFindLast(
    s: ptr uint16,  # WORD*
    length: int32,  # INT
    substring: ptr uint16,  # WORD*
    subLength: int32  # INT
): ptr uint16 {.importc: "u_strFindLast", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
ushort* u_strFindLast(
    ushort* s,   // WORD*
    int length,   // INT
    ushort* substring,   // WORD*
    int subLength   // INT
);

ccall((:u_strFindLast, "icuuc.dll"), Ptr{UInt16},
      (Ptr{UInt16}, Int32, Ptr{UInt16}, Int32),
      s, length, substring, subLength)
# s : WORD* -> Ptr{UInt16}
# length : INT -> Int32
# substring : WORD* -> Ptr{UInt16}
# subLength : INT -> Int32

local ffi = require("ffi")
ffi.cdef[[
uint16_t* u_strFindLast(
    uint16_t* s,
    int32_t length,
    uint16_t* substring,
    int32_t subLength);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.u_strFindLast(s, length, substring, subLength)
-- s : WORD*
-- length : INT
-- substring : WORD*
-- subLength : 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。

const koffi = require('koffi');
const lib = koffi.load('icuuc.dll');
const u_strFindLast = lib.func('__cdecl', 'u_strFindLast', 'uint16_t *', ['uint16_t *', 'int32_t', 'uint16_t *', 'int32_t']);
// u_strFindLast(s, length, substring, subLength)
// s : WORD* -> 'uint16_t *'
// length : INT -> 'int32_t'
// substring : WORD* -> 'uint16_t *'
// subLength : 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("icuuc.dll", {
  u_strFindLast: { parameters: ["pointer", "i32", "pointer", "i32"], result: "pointer" },
});
// lib.symbols.u_strFindLast(s, length, substring, subLength)
// s : WORD* -> "pointer"
// length : INT -> "i32"
// substring : WORD* -> "pointer"
// subLength : INT -> "i32"
// 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
uint16_t* u_strFindLast(
    uint16_t* s,
    int32_t length,
    uint16_t* substring,
    int32_t subLength);
C, "icuuc.dll");
// $ffi->u_strFindLast(s, length, substring, subLength);
// s : WORD*
// length : INT
// substring : WORD*
// subLength : 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。

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

public interface Icuuc extends Library {
    Icuuc INSTANCE = Native.load("icuuc", Icuuc.class);
    Pointer u_strFindLast(
        ShortByReference s,   // WORD*
        int length,   // INT
        ShortByReference substring,   // WORD*
        int subLength   // INT
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun u_strFindLast = u_strFindLast(
    s : UInt16*,   # WORD*
    length : Int32,   # INT
    substring : UInt16*,   # WORD*
    subLength : Int32   # INT
  ) : UInt16*
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。

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

typedef u_strFindLastNative = Pointer<Uint16> Function(Pointer<Uint16>, Int32, Pointer<Uint16>, Int32);
typedef u_strFindLastDart = Pointer<Uint16> Function(Pointer<Uint16>, int, Pointer<Uint16>, int);
final u_strFindLast = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<u_strFindLastNative, u_strFindLastDart>('u_strFindLast');
// s : WORD* -> Pointer<Uint16>
// length : INT -> Int32
// substring : WORD* -> Pointer<Uint16>
// subLength : INT -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function u_strFindLast(
  s: Pointer;   // WORD*
  length: Integer;   // INT
  substring: Pointer;   // WORD*
  subLength: Integer   // INT
): Pointer; cdecl;
  external 'icuuc.dll' name 'u_strFindLast';

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

foreign import ccall safe "u_strFindLast"
  c_u_strFindLast :: Ptr Word16 -> Int32 -> Ptr Word16 -> Int32 -> IO (Ptr Word16)
-- s : WORD* -> Ptr Word16
-- length : INT -> Int32
-- substring : WORD* -> Ptr Word16
-- subLength : 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 u_strfindlast =
  foreign "u_strFindLast"
    ((ptr uint16_t) @-> int32_t @-> (ptr uint16_t) @-> int32_t @-> returning (ptr uint16_t))
(* s : WORD* -> (ptr uint16_t) *)
(* length : INT -> int32_t *)
(* substring : WORD* -> (ptr uint16_t) *)
(* subLength : 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 icuuc (t "icuuc.dll"))
(cffi:use-foreign-library icuuc)

(cffi:defcfun ("u_strFindLast" u-str-find-last :convention :cdecl) :pointer
  (s :pointer)   ; WORD*
  (length :int32)   ; INT
  (substring :pointer)   ; WORD*
  (sub-length :int32))   ; INT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $u_strFindLast = Win32::API::More->new('icuuc',
    'LPVOID u_strFindLast(LPVOID s, int length, LPVOID substring, int subLength)');
# my $ret = $u_strFindLast->Call($s, $length, $substring, $subLength);
# s : WORD* -> LPVOID
# length : INT -> int
# substring : WORD* -> LPVOID
# subLength : INT -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。