DsCrackSpn2A

// DSPARSE.dll  (ANSI / -A)
#include <windows.h>

DWORD DsCrackSpn2A(
    LPCSTR pszSpn,
    DWORD cSpn,
    DWORD* pcServiceClass,   // optional
    LPSTR ServiceClass,   // optional
    DWORD* pcServiceName,   // optional
    LPSTR ServiceName,   // optional
    DWORD* pcInstanceName,   // optional
    LPSTR InstanceName,   // optional
    WORD* pInstancePort   // optional
);

<DllImport("DSPARSE.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function DsCrackSpn2A(
    <MarshalAs(UnmanagedType.LPStr)> pszSpn As String,   ' LPCSTR
    cSpn As UInteger,   ' DWORD
    pcServiceClass As IntPtr,   ' DWORD* optional, in/out
    <MarshalAs(UnmanagedType.LPStr)> ServiceClass As System.Text.StringBuilder,   ' LPSTR optional, out
    pcServiceName As IntPtr,   ' DWORD* optional, in/out
    <MarshalAs(UnmanagedType.LPStr)> ServiceName As System.Text.StringBuilder,   ' LPSTR optional, out
    pcInstanceName As IntPtr,   ' DWORD* optional, in/out
    <MarshalAs(UnmanagedType.LPStr)> InstanceName As System.Text.StringBuilder,   ' LPSTR optional, out
    pInstancePort As IntPtr   ' WORD* optional, out
) As UInteger
End Function

' pszSpn : LPCSTR
' cSpn : DWORD
' pcServiceClass : DWORD* optional, in/out
' ServiceClass : LPSTR optional, out
' pcServiceName : DWORD* optional, in/out
' ServiceName : LPSTR optional, out
' pcInstanceName : DWORD* optional, in/out
' InstanceName : LPSTR optional, out
' pInstancePort : WORD* optional, out
Declare PtrSafe Function DsCrackSpn2A Lib "dsparse" ( _
    ByVal pszSpn As String, _
    ByVal cSpn As Long, _
    ByVal pcServiceClass As LongPtr, _
    ByVal ServiceClass As String, _
    ByVal pcServiceName As LongPtr, _
    ByVal ServiceName As String, _
    ByVal pcInstanceName As LongPtr, _
    ByVal InstanceName As String, _
    ByVal pInstancePort As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DsCrackSpn2A = ctypes.windll.dsparse.DsCrackSpn2A
DsCrackSpn2A.restype = wintypes.DWORD
DsCrackSpn2A.argtypes = [
    wintypes.LPCSTR,  # pszSpn : LPCSTR
    wintypes.DWORD,  # cSpn : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcServiceClass : DWORD* optional, in/out
    wintypes.LPSTR,  # ServiceClass : LPSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcServiceName : DWORD* optional, in/out
    wintypes.LPSTR,  # ServiceName : LPSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcInstanceName : DWORD* optional, in/out
    wintypes.LPSTR,  # InstanceName : LPSTR optional, out
    ctypes.POINTER(ctypes.c_ushort),  # pInstancePort : WORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DSPARSE.dll')
DsCrackSpn2A = Fiddle::Function.new(
  lib['DsCrackSpn2A'],
  [
    Fiddle::TYPE_VOIDP,  # pszSpn : LPCSTR
    -Fiddle::TYPE_INT,  # cSpn : DWORD
    Fiddle::TYPE_VOIDP,  # pcServiceClass : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # ServiceClass : LPSTR optional, out
    Fiddle::TYPE_VOIDP,  # pcServiceName : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # ServiceName : LPSTR optional, out
    Fiddle::TYPE_VOIDP,  # pcInstanceName : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # InstanceName : LPSTR optional, out
    Fiddle::TYPE_VOIDP,  # pInstancePort : WORD* optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dsparse")]
extern "system" {
    fn DsCrackSpn2A(
        pszSpn: *const u8,  // LPCSTR
        cSpn: u32,  // DWORD
        pcServiceClass: *mut u32,  // DWORD* optional, in/out
        ServiceClass: *mut u8,  // LPSTR optional, out
        pcServiceName: *mut u32,  // DWORD* optional, in/out
        ServiceName: *mut u8,  // LPSTR optional, out
        pcInstanceName: *mut u32,  // DWORD* optional, in/out
        InstanceName: *mut u8,  // LPSTR optional, out
        pInstancePort: *mut u16  // WORD* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DSPARSE.dll", CharSet = CharSet.Ansi)]
public static extern uint DsCrackSpn2A([MarshalAs(UnmanagedType.LPStr)] string pszSpn, uint cSpn, IntPtr pcServiceClass, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder ServiceClass, IntPtr pcServiceName, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder ServiceName, IntPtr pcInstanceName, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder InstanceName, IntPtr pInstancePort);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DSPARSE_DsCrackSpn2A' -Namespace Win32 -PassThru
# $api::DsCrackSpn2A(pszSpn, cSpn, pcServiceClass, ServiceClass, pcServiceName, ServiceName, pcInstanceName, InstanceName, pInstancePort)

#uselib "DSPARSE.dll"
#func global DsCrackSpn2A "DsCrackSpn2A" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; DsCrackSpn2A pszSpn, cSpn, varptr(pcServiceClass), varptr(ServiceClass), varptr(pcServiceName), varptr(ServiceName), varptr(pcInstanceName), varptr(InstanceName), varptr(pInstancePort)   ; 戻り値は stat
; pszSpn : LPCSTR -> "sptr"
; cSpn : DWORD -> "sptr"
; pcServiceClass : DWORD* optional, in/out -> "sptr"
; ServiceClass : LPSTR optional, out -> "sptr"
; pcServiceName : DWORD* optional, in/out -> "sptr"
; ServiceName : LPSTR optional, out -> "sptr"
; pcInstanceName : DWORD* optional, in/out -> "sptr"
; InstanceName : LPSTR optional, out -> "sptr"
; pInstancePort : WORD* optional, out -> "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 (
	dsparse = windows.NewLazySystemDLL("DSPARSE.dll")
	procDsCrackSpn2A = dsparse.NewProc("DsCrackSpn2A")
)

// pszSpn (LPCSTR), cSpn (DWORD), pcServiceClass (DWORD* optional, in/out), ServiceClass (LPSTR optional, out), pcServiceName (DWORD* optional, in/out), ServiceName (LPSTR optional, out), pcInstanceName (DWORD* optional, in/out), InstanceName (LPSTR optional, out), pInstancePort (WORD* optional, out)
r1, _, err := procDsCrackSpn2A.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszSpn))),
	uintptr(cSpn),
	uintptr(pcServiceClass),
	uintptr(ServiceClass),
	uintptr(pcServiceName),
	uintptr(ServiceName),
	uintptr(pcInstanceName),
	uintptr(InstanceName),
	uintptr(pInstancePort),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DsCrackSpn2A(
  pszSpn: PAnsiChar;   // LPCSTR
  cSpn: DWORD;   // DWORD
  pcServiceClass: Pointer;   // DWORD* optional, in/out
  ServiceClass: PAnsiChar;   // LPSTR optional, out
  pcServiceName: Pointer;   // DWORD* optional, in/out
  ServiceName: PAnsiChar;   // LPSTR optional, out
  pcInstanceName: Pointer;   // DWORD* optional, in/out
  InstanceName: PAnsiChar;   // LPSTR optional, out
  pInstancePort: Pointer   // WORD* optional, out
): DWORD; stdcall;
  external 'DSPARSE.dll' name 'DsCrackSpn2A';

result := DllCall("DSPARSE\DsCrackSpn2A"
    , "AStr", pszSpn   ; LPCSTR
    , "UInt", cSpn   ; DWORD
    , "Ptr", pcServiceClass   ; DWORD* optional, in/out
    , "Ptr", ServiceClass   ; LPSTR optional, out
    , "Ptr", pcServiceName   ; DWORD* optional, in/out
    , "Ptr", ServiceName   ; LPSTR optional, out
    , "Ptr", pcInstanceName   ; DWORD* optional, in/out
    , "Ptr", InstanceName   ; LPSTR optional, out
    , "Ptr", pInstancePort   ; WORD* optional, out
    , "UInt")   ; return: DWORD

●DsCrackSpn2A(pszSpn, cSpn, pcServiceClass, ServiceClass, pcServiceName, ServiceName, pcInstanceName, InstanceName, pInstancePort) = DLL("DSPARSE.dll", "dword DsCrackSpn2A(char*, dword, void*, char*, void*, char*, void*, char*, void*)")
# 呼び出し: DsCrackSpn2A(pszSpn, cSpn, pcServiceClass, ServiceClass, pcServiceName, ServiceName, pcInstanceName, InstanceName, pInstancePort)
# pszSpn : LPCSTR -> "char*"
# cSpn : DWORD -> "dword"
# pcServiceClass : DWORD* optional, in/out -> "void*"
# ServiceClass : LPSTR optional, out -> "char*"
# pcServiceName : DWORD* optional, in/out -> "void*"
# ServiceName : LPSTR optional, out -> "char*"
# pcInstanceName : DWORD* optional, in/out -> "void*"
# InstanceName : LPSTR optional, out -> "char*"
# pInstancePort : WORD* optional, out -> "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)。

const std = @import("std");

extern "dsparse" fn DsCrackSpn2A(
    pszSpn: [*c]const u8, // LPCSTR
    cSpn: u32, // DWORD
    pcServiceClass: [*c]u32, // DWORD* optional, in/out
    ServiceClass: [*c]u8, // LPSTR optional, out
    pcServiceName: [*c]u32, // DWORD* optional, in/out
    ServiceName: [*c]u8, // LPSTR optional, out
    pcInstanceName: [*c]u32, // DWORD* optional, in/out
    InstanceName: [*c]u8, // LPSTR optional, out
    pInstancePort: [*c]u16 // WORD* optional, out
) callconv(std.os.windows.WINAPI) u32;

proc DsCrackSpn2A(
    pszSpn: cstring,  # LPCSTR
    cSpn: uint32,  # DWORD
    pcServiceClass: ptr uint32,  # DWORD* optional, in/out
    ServiceClass: ptr char,  # LPSTR optional, out
    pcServiceName: ptr uint32,  # DWORD* optional, in/out
    ServiceName: ptr char,  # LPSTR optional, out
    pcInstanceName: ptr uint32,  # DWORD* optional, in/out
    InstanceName: ptr char,  # LPSTR optional, out
    pInstancePort: ptr uint16  # WORD* optional, out
): uint32 {.importc: "DsCrackSpn2A", stdcall, dynlib: "DSPARSE.dll".}

pragma(lib, "dsparse");
extern(Windows)
uint DsCrackSpn2A(
    const(char)* pszSpn,   // LPCSTR
    uint cSpn,   // DWORD
    uint* pcServiceClass,   // DWORD* optional, in/out
    char* ServiceClass,   // LPSTR optional, out
    uint* pcServiceName,   // DWORD* optional, in/out
    char* ServiceName,   // LPSTR optional, out
    uint* pcInstanceName,   // DWORD* optional, in/out
    char* InstanceName,   // LPSTR optional, out
    ushort* pInstancePort   // WORD* optional, out
);

ccall((:DsCrackSpn2A, "DSPARSE.dll"), stdcall, UInt32,
      (Cstring, UInt32, Ptr{UInt32}, Ptr{UInt8}, Ptr{UInt32}, Ptr{UInt8}, Ptr{UInt32}, Ptr{UInt8}, Ptr{UInt16}),
      pszSpn, cSpn, pcServiceClass, ServiceClass, pcServiceName, ServiceName, pcInstanceName, InstanceName, pInstancePort)
# pszSpn : LPCSTR -> Cstring
# cSpn : DWORD -> UInt32
# pcServiceClass : DWORD* optional, in/out -> Ptr{UInt32}
# ServiceClass : LPSTR optional, out -> Ptr{UInt8}
# pcServiceName : DWORD* optional, in/out -> Ptr{UInt32}
# ServiceName : LPSTR optional, out -> Ptr{UInt8}
# pcInstanceName : DWORD* optional, in/out -> Ptr{UInt32}
# InstanceName : LPSTR optional, out -> Ptr{UInt8}
# pInstancePort : WORD* optional, out -> Ptr{UInt16}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t DsCrackSpn2A(
    const char* pszSpn,
    uint32_t cSpn,
    uint32_t* pcServiceClass,
    char* ServiceClass,
    uint32_t* pcServiceName,
    char* ServiceName,
    uint32_t* pcInstanceName,
    char* InstanceName,
    uint16_t* pInstancePort);
]]
local dsparse = ffi.load("dsparse")
-- dsparse.DsCrackSpn2A(pszSpn, cSpn, pcServiceClass, ServiceClass, pcServiceName, ServiceName, pcInstanceName, InstanceName, pInstancePort)
-- pszSpn : LPCSTR
-- cSpn : DWORD
-- pcServiceClass : DWORD* optional, in/out
-- ServiceClass : LPSTR optional, out
-- pcServiceName : DWORD* optional, in/out
-- ServiceName : LPSTR optional, out
-- pcInstanceName : DWORD* optional, in/out
-- InstanceName : LPSTR optional, out
-- pInstancePort : WORD* optional, out
-- 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('DSPARSE.dll');
const DsCrackSpn2A = lib.func('__stdcall', 'DsCrackSpn2A', 'uint32_t', ['str', 'uint32_t', 'uint32_t *', 'char *', 'uint32_t *', 'char *', 'uint32_t *', 'char *', 'uint16_t *']);
// DsCrackSpn2A(pszSpn, cSpn, pcServiceClass, ServiceClass, pcServiceName, ServiceName, pcInstanceName, InstanceName, pInstancePort)
// pszSpn : LPCSTR -> 'str'
// cSpn : DWORD -> 'uint32_t'
// pcServiceClass : DWORD* optional, in/out -> 'uint32_t *'
// ServiceClass : LPSTR optional, out -> 'char *'
// pcServiceName : DWORD* optional, in/out -> 'uint32_t *'
// ServiceName : LPSTR optional, out -> 'char *'
// pcInstanceName : DWORD* optional, in/out -> 'uint32_t *'
// InstanceName : LPSTR optional, out -> 'char *'
// pInstancePort : WORD* optional, out -> '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("DSPARSE.dll", {
  DsCrackSpn2A: { parameters: ["buffer", "u32", "pointer", "buffer", "pointer", "buffer", "pointer", "buffer", "pointer"], result: "u32" },
});
// lib.symbols.DsCrackSpn2A(pszSpn, cSpn, pcServiceClass, ServiceClass, pcServiceName, ServiceName, pcInstanceName, InstanceName, pInstancePort)
// pszSpn : LPCSTR -> "buffer"
// cSpn : DWORD -> "u32"
// pcServiceClass : DWORD* optional, in/out -> "pointer"
// ServiceClass : LPSTR optional, out -> "buffer"
// pcServiceName : DWORD* optional, in/out -> "pointer"
// ServiceName : LPSTR optional, out -> "buffer"
// pcInstanceName : DWORD* optional, in/out -> "pointer"
// InstanceName : LPSTR optional, out -> "buffer"
// pInstancePort : WORD* optional, out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t DsCrackSpn2A(
    const char* pszSpn,
    uint32_t cSpn,
    uint32_t* pcServiceClass,
    char* ServiceClass,
    uint32_t* pcServiceName,
    char* ServiceName,
    uint32_t* pcInstanceName,
    char* InstanceName,
    uint16_t* pInstancePort);
C, "DSPARSE.dll");
// $ffi->DsCrackSpn2A(pszSpn, cSpn, pcServiceClass, ServiceClass, pcServiceName, ServiceName, pcInstanceName, InstanceName, pInstancePort);
// pszSpn : LPCSTR
// cSpn : DWORD
// pcServiceClass : DWORD* optional, in/out
// ServiceClass : LPSTR optional, out
// pcServiceName : DWORD* optional, in/out
// ServiceName : LPSTR optional, out
// pcInstanceName : DWORD* optional, in/out
// InstanceName : LPSTR optional, out
// pInstancePort : WORD* optional, out
// 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 Dsparse extends StdCallLibrary {
    Dsparse INSTANCE = Native.load("dsparse", Dsparse.class, W32APIOptions.ASCII_OPTIONS);
    int DsCrackSpn2A(
        String pszSpn,   // LPCSTR
        int cSpn,   // DWORD
        IntByReference pcServiceClass,   // DWORD* optional, in/out
        byte[] ServiceClass,   // LPSTR optional, out
        IntByReference pcServiceName,   // DWORD* optional, in/out
        byte[] ServiceName,   // LPSTR optional, out
        IntByReference pcInstanceName,   // DWORD* optional, in/out
        byte[] InstanceName,   // LPSTR optional, out
        ShortByReference pInstancePort   // WORD* optional, out
    );
}

@[Link("dsparse")]
lib LibDSPARSE
  fun DsCrackSpn2A = DsCrackSpn2A(
    pszSpn : UInt8*,   # LPCSTR
    cSpn : UInt32,   # DWORD
    pcServiceClass : UInt32*,   # DWORD* optional, in/out
    ServiceClass : UInt8*,   # LPSTR optional, out
    pcServiceName : UInt32*,   # DWORD* optional, in/out
    ServiceName : UInt8*,   # LPSTR optional, out
    pcInstanceName : UInt32*,   # DWORD* optional, in/out
    InstanceName : UInt8*,   # LPSTR optional, out
    pInstancePort : UInt16*   # WORD* optional, out
  ) : UInt32
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 DsCrackSpn2ANative = Uint32 Function(Pointer<Utf8>, Uint32, Pointer<Uint32>, Pointer<Utf8>, Pointer<Uint32>, Pointer<Utf8>, Pointer<Uint32>, Pointer<Utf8>, Pointer<Uint16>);
typedef DsCrackSpn2ADart = int Function(Pointer<Utf8>, int, Pointer<Uint32>, Pointer<Utf8>, Pointer<Uint32>, Pointer<Utf8>, Pointer<Uint32>, Pointer<Utf8>, Pointer<Uint16>);
final DsCrackSpn2A = DynamicLibrary.open('DSPARSE.dll')
    .lookupFunction<DsCrackSpn2ANative, DsCrackSpn2ADart>('DsCrackSpn2A');
// pszSpn : LPCSTR -> Pointer<Utf8>
// cSpn : DWORD -> Uint32
// pcServiceClass : DWORD* optional, in/out -> Pointer<Uint32>
// ServiceClass : LPSTR optional, out -> Pointer<Utf8>
// pcServiceName : DWORD* optional, in/out -> Pointer<Uint32>
// ServiceName : LPSTR optional, out -> Pointer<Utf8>
// pcInstanceName : DWORD* optional, in/out -> Pointer<Uint32>
// InstanceName : LPSTR optional, out -> Pointer<Utf8>
// pInstancePort : WORD* optional, out -> Pointer<Uint16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DsCrackSpn2A(
  pszSpn: PAnsiChar;   // LPCSTR
  cSpn: DWORD;   // DWORD
  pcServiceClass: Pointer;   // DWORD* optional, in/out
  ServiceClass: PAnsiChar;   // LPSTR optional, out
  pcServiceName: Pointer;   // DWORD* optional, in/out
  ServiceName: PAnsiChar;   // LPSTR optional, out
  pcInstanceName: Pointer;   // DWORD* optional, in/out
  InstanceName: PAnsiChar;   // LPSTR optional, out
  pInstancePort: Pointer   // WORD* optional, out
): DWORD; stdcall;
  external 'DSPARSE.dll' name 'DsCrackSpn2A';

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

foreign import stdcall safe "DsCrackSpn2A"
  c_DsCrackSpn2A :: CString -> Word32 -> Ptr Word32 -> CString -> Ptr Word32 -> CString -> Ptr Word32 -> CString -> Ptr Word16 -> IO Word32
-- pszSpn : LPCSTR -> CString
-- cSpn : DWORD -> Word32
-- pcServiceClass : DWORD* optional, in/out -> Ptr Word32
-- ServiceClass : LPSTR optional, out -> CString
-- pcServiceName : DWORD* optional, in/out -> Ptr Word32
-- ServiceName : LPSTR optional, out -> CString
-- pcInstanceName : DWORD* optional, in/out -> Ptr Word32
-- InstanceName : LPSTR optional, out -> CString
-- pInstancePort : WORD* optional, out -> 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 dscrackspn2a =
  foreign "DsCrackSpn2A"
    (string @-> uint32_t @-> (ptr uint32_t) @-> string @-> (ptr uint32_t) @-> string @-> (ptr uint32_t) @-> string @-> (ptr uint16_t) @-> returning uint32_t)
(* pszSpn : LPCSTR -> string *)
(* cSpn : DWORD -> uint32_t *)
(* pcServiceClass : DWORD* optional, in/out -> (ptr uint32_t) *)
(* ServiceClass : LPSTR optional, out -> string *)
(* pcServiceName : DWORD* optional, in/out -> (ptr uint32_t) *)
(* ServiceName : LPSTR optional, out -> string *)
(* pcInstanceName : DWORD* optional, in/out -> (ptr uint32_t) *)
(* InstanceName : LPSTR optional, out -> string *)
(* pInstancePort : WORD* optional, out -> (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 dsparse (t "DSPARSE.dll"))
(cffi:use-foreign-library dsparse)

(cffi:defcfun ("DsCrackSpn2A" ds-crack-spn2-a :convention :stdcall) :uint32
  (psz-spn :string)   ; LPCSTR
  (c-spn :uint32)   ; DWORD
  (pc-service-class :pointer)   ; DWORD* optional, in/out
  (service-class :pointer)   ; LPSTR optional, out
  (pc-service-name :pointer)   ; DWORD* optional, in/out
  (service-name :pointer)   ; LPSTR optional, out
  (pc-instance-name :pointer)   ; DWORD* optional, in/out
  (instance-name :pointer)   ; LPSTR optional, out
  (p-instance-port :pointer))   ; WORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DsCrackSpn2A = Win32::API::More->new('DSPARSE',
    'DWORD DsCrackSpn2A(LPCSTR pszSpn, DWORD cSpn, LPVOID pcServiceClass, LPSTR ServiceClass, LPVOID pcServiceName, LPSTR ServiceName, LPVOID pcInstanceName, LPSTR InstanceName, LPVOID pInstancePort)');
# my $ret = $DsCrackSpn2A->Call($pszSpn, $cSpn, $pcServiceClass, $ServiceClass, $pcServiceName, $ServiceName, $pcInstanceName, $InstanceName, $pInstancePort);
# pszSpn : LPCSTR -> LPCSTR
# cSpn : DWORD -> DWORD
# pcServiceClass : DWORD* optional, in/out -> LPVOID
# ServiceClass : LPSTR optional, out -> LPSTR
# pcServiceName : DWORD* optional, in/out -> LPVOID
# ServiceName : LPSTR optional, out -> LPSTR
# pcInstanceName : DWORD* optional, in/out -> LPVOID
# InstanceName : LPSTR optional, out -> LPSTR
# pInstancePort : WORD* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。