ucurr_getNumericCode

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

INT ucurr_getNumericCode(
    const WORD* currency
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ucurr_getNumericCode(
    ByRef currency As UShort   ' WORD*
) As Integer
End Function

' currency : WORD*
Declare PtrSafe Function ucurr_getNumericCode Lib "icuuc" ( _
    ByRef currency As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ucurr_getNumericCode = ctypes.cdll.icuuc.ucurr_getNumericCode
ucurr_getNumericCode.restype = ctypes.c_int
ucurr_getNumericCode.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # currency : WORD*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ucurr_getNumericCode = Fiddle::Function.new(
  lib['ucurr_getNumericCode'],
  [
    Fiddle::TYPE_VOIDP,  # currency : WORD*
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ucurr_getNumericCode(
        currency: *const u16  // WORD*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int ucurr_getNumericCode(ref ushort currency);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ucurr_getNumericCode' -Namespace Win32 -PassThru
# $api::ucurr_getNumericCode(currency)

#uselib "icuuc.dll"
#func global ucurr_getNumericCode "ucurr_getNumericCode" sptr
; ucurr_getNumericCode varptr(currency)   ; 戻り値は stat
; currency : WORD* -> "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")
	procucurr_getNumericCode = icuuc.NewProc("ucurr_getNumericCode")
)

// currency (WORD*)
r1, _, err := procucurr_getNumericCode.Call(
	uintptr(currency),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function ucurr_getNumericCode(
  currency: Pointer   // WORD*
): Integer; cdecl;
  external 'icuuc.dll' name 'ucurr_getNumericCode';

result := DllCall("icuuc\ucurr_getNumericCode"
    , "Ptr", currency   ; WORD*
    , "Cdecl Int")   ; return: INT

●ucurr_getNumericCode(currency) = DLL("icuuc.dll", "int ucurr_getNumericCode(void*)")
# 呼び出し: ucurr_getNumericCode(currency)
# currency : WORD* -> "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)。
# ※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 ucurr_getNumericCode(
    currency: [*c]u16 // WORD*
) callconv(.c) i32;

proc ucurr_getNumericCode(
    currency: ptr uint16  # WORD*
): int32 {.importc: "ucurr_getNumericCode", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
int ucurr_getNumericCode(
    ushort* currency   // WORD*
);

ccall((:ucurr_getNumericCode, "icuuc.dll"), Int32,
      (Ptr{UInt16},),
      currency)
# currency : WORD* -> Ptr{UInt16}

local ffi = require("ffi")
ffi.cdef[[
int32_t ucurr_getNumericCode(
    uint16_t* currency);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.ucurr_getNumericCode(currency)
-- currency : WORD*
-- 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 ucurr_getNumericCode = lib.func('__cdecl', 'ucurr_getNumericCode', 'int32_t', ['uint16_t *']);
// ucurr_getNumericCode(currency)
// currency : WORD* -> 'uint16_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", {
  ucurr_getNumericCode: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.ucurr_getNumericCode(currency)
// currency : WORD* -> "pointer"
// 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
int32_t ucurr_getNumericCode(
    uint16_t* currency);
C, "icuuc.dll");
// $ffi->ucurr_getNumericCode(currency);
// currency : WORD*
// 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);
    int ucurr_getNumericCode(
        ShortByReference currency   // WORD*
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun ucurr_getNumericCode = ucurr_getNumericCode(
    currency : UInt16*   # WORD*
  ) : Int32
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 ucurr_getNumericCodeNative = Int32 Function(Pointer<Uint16>);
typedef ucurr_getNumericCodeDart = int Function(Pointer<Uint16>);
final ucurr_getNumericCode = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<ucurr_getNumericCodeNative, ucurr_getNumericCodeDart>('ucurr_getNumericCode');
// currency : WORD* -> Pointer<Uint16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ucurr_getNumericCode(
  currency: Pointer   // WORD*
): Integer; cdecl;
  external 'icuuc.dll' name 'ucurr_getNumericCode';

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

foreign import ccall safe "ucurr_getNumericCode"
  c_ucurr_getNumericCode :: Ptr Word16 -> IO Int32
-- currency : WORD* -> Ptr Word16
-- 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 ucurr_getnumericcode =
  foreign "ucurr_getNumericCode"
    ((ptr uint16_t) @-> returning int32_t)
(* currency : WORD* -> (ptr uint16_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 ("ucurr_getNumericCode" ucurr-get-numeric-code :convention :cdecl) :int32
  (currency :pointer))   ; WORD*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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