ChangeServiceConfigA

// ADVAPI32.dll  (ANSI / -A)
#include <windows.h>

BOOL ChangeServiceConfigA(
    SC_HANDLE hService,
    ENUM_SERVICE_TYPE dwServiceType,
    SERVICE_START_TYPE dwStartType,
    SERVICE_ERROR dwErrorControl,
    LPCSTR lpBinaryPathName,   // optional
    LPCSTR lpLoadOrderGroup,   // optional
    DWORD* lpdwTagId,   // optional
    LPCSTR lpDependencies,   // optional
    LPCSTR lpServiceStartName,   // optional
    LPCSTR lpPassword,   // optional
    LPCSTR lpDisplayName   // optional
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ChangeServiceConfigA(
    hService As IntPtr,   ' SC_HANDLE
    dwServiceType As UInteger,   ' ENUM_SERVICE_TYPE
    dwStartType As UInteger,   ' SERVICE_START_TYPE
    dwErrorControl As UInteger,   ' SERVICE_ERROR
    <MarshalAs(UnmanagedType.LPStr)> lpBinaryPathName As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> lpLoadOrderGroup As String,   ' LPCSTR optional
    lpdwTagId As IntPtr,   ' DWORD* optional, out
    <MarshalAs(UnmanagedType.LPStr)> lpDependencies As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> lpServiceStartName As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> lpPassword As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> lpDisplayName As String   ' LPCSTR optional
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hService : SC_HANDLE
' dwServiceType : ENUM_SERVICE_TYPE
' dwStartType : SERVICE_START_TYPE
' dwErrorControl : SERVICE_ERROR
' lpBinaryPathName : LPCSTR optional
' lpLoadOrderGroup : LPCSTR optional
' lpdwTagId : DWORD* optional, out
' lpDependencies : LPCSTR optional
' lpServiceStartName : LPCSTR optional
' lpPassword : LPCSTR optional
' lpDisplayName : LPCSTR optional
Declare PtrSafe Function ChangeServiceConfigA Lib "advapi32" ( _
    ByVal hService As LongPtr, _
    ByVal dwServiceType As Long, _
    ByVal dwStartType As Long, _
    ByVal dwErrorControl As Long, _
    ByVal lpBinaryPathName As String, _
    ByVal lpLoadOrderGroup As String, _
    ByVal lpdwTagId As LongPtr, _
    ByVal lpDependencies As String, _
    ByVal lpServiceStartName As String, _
    ByVal lpPassword As String, _
    ByVal lpDisplayName As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ChangeServiceConfigA = ctypes.windll.advapi32.ChangeServiceConfigA
ChangeServiceConfigA.restype = wintypes.BOOL
ChangeServiceConfigA.argtypes = [
    wintypes.HANDLE,  # hService : SC_HANDLE
    wintypes.DWORD,  # dwServiceType : ENUM_SERVICE_TYPE
    wintypes.DWORD,  # dwStartType : SERVICE_START_TYPE
    wintypes.DWORD,  # dwErrorControl : SERVICE_ERROR
    wintypes.LPCSTR,  # lpBinaryPathName : LPCSTR optional
    wintypes.LPCSTR,  # lpLoadOrderGroup : LPCSTR optional
    ctypes.POINTER(wintypes.DWORD),  # lpdwTagId : DWORD* optional, out
    wintypes.LPCSTR,  # lpDependencies : LPCSTR optional
    wintypes.LPCSTR,  # lpServiceStartName : LPCSTR optional
    wintypes.LPCSTR,  # lpPassword : LPCSTR optional
    wintypes.LPCSTR,  # lpDisplayName : LPCSTR optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
ChangeServiceConfigA = Fiddle::Function.new(
  lib['ChangeServiceConfigA'],
  [
    Fiddle::TYPE_VOIDP,  # hService : SC_HANDLE
    -Fiddle::TYPE_INT,  # dwServiceType : ENUM_SERVICE_TYPE
    -Fiddle::TYPE_INT,  # dwStartType : SERVICE_START_TYPE
    -Fiddle::TYPE_INT,  # dwErrorControl : SERVICE_ERROR
    Fiddle::TYPE_VOIDP,  # lpBinaryPathName : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # lpLoadOrderGroup : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # lpdwTagId : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # lpDependencies : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # lpServiceStartName : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # lpPassword : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # lpDisplayName : LPCSTR optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn ChangeServiceConfigA(
        hService: *mut core::ffi::c_void,  // SC_HANDLE
        dwServiceType: u32,  // ENUM_SERVICE_TYPE
        dwStartType: u32,  // SERVICE_START_TYPE
        dwErrorControl: u32,  // SERVICE_ERROR
        lpBinaryPathName: *const u8,  // LPCSTR optional
        lpLoadOrderGroup: *const u8,  // LPCSTR optional
        lpdwTagId: *mut u32,  // DWORD* optional, out
        lpDependencies: *const u8,  // LPCSTR optional
        lpServiceStartName: *const u8,  // LPCSTR optional
        lpPassword: *const u8,  // LPCSTR optional
        lpDisplayName: *const u8  // LPCSTR optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool ChangeServiceConfigA(IntPtr hService, uint dwServiceType, uint dwStartType, uint dwErrorControl, [MarshalAs(UnmanagedType.LPStr)] string lpBinaryPathName, [MarshalAs(UnmanagedType.LPStr)] string lpLoadOrderGroup, IntPtr lpdwTagId, [MarshalAs(UnmanagedType.LPStr)] string lpDependencies, [MarshalAs(UnmanagedType.LPStr)] string lpServiceStartName, [MarshalAs(UnmanagedType.LPStr)] string lpPassword, [MarshalAs(UnmanagedType.LPStr)] string lpDisplayName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_ChangeServiceConfigA' -Namespace Win32 -PassThru
# $api::ChangeServiceConfigA(hService, dwServiceType, dwStartType, dwErrorControl, lpBinaryPathName, lpLoadOrderGroup, lpdwTagId, lpDependencies, lpServiceStartName, lpPassword, lpDisplayName)

#uselib "ADVAPI32.dll"
#func global ChangeServiceConfigA "ChangeServiceConfigA" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; ChangeServiceConfigA hService, dwServiceType, dwStartType, dwErrorControl, lpBinaryPathName, lpLoadOrderGroup, varptr(lpdwTagId), lpDependencies, lpServiceStartName, lpPassword, lpDisplayName   ; 戻り値は stat
; hService : SC_HANDLE -> "sptr"
; dwServiceType : ENUM_SERVICE_TYPE -> "sptr"
; dwStartType : SERVICE_START_TYPE -> "sptr"
; dwErrorControl : SERVICE_ERROR -> "sptr"
; lpBinaryPathName : LPCSTR optional -> "sptr"
; lpLoadOrderGroup : LPCSTR optional -> "sptr"
; lpdwTagId : DWORD* optional, out -> "sptr"
; lpDependencies : LPCSTR optional -> "sptr"
; lpServiceStartName : LPCSTR optional -> "sptr"
; lpPassword : LPCSTR optional -> "sptr"
; lpDisplayName : LPCSTR optional -> "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 (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procChangeServiceConfigA = advapi32.NewProc("ChangeServiceConfigA")
)

// hService (SC_HANDLE), dwServiceType (ENUM_SERVICE_TYPE), dwStartType (SERVICE_START_TYPE), dwErrorControl (SERVICE_ERROR), lpBinaryPathName (LPCSTR optional), lpLoadOrderGroup (LPCSTR optional), lpdwTagId (DWORD* optional, out), lpDependencies (LPCSTR optional), lpServiceStartName (LPCSTR optional), lpPassword (LPCSTR optional), lpDisplayName (LPCSTR optional)
r1, _, err := procChangeServiceConfigA.Call(
	uintptr(hService),
	uintptr(dwServiceType),
	uintptr(dwStartType),
	uintptr(dwErrorControl),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpBinaryPathName))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpLoadOrderGroup))),
	uintptr(lpdwTagId),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpDependencies))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpServiceStartName))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpPassword))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpDisplayName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ChangeServiceConfigA(
  hService: THandle;   // SC_HANDLE
  dwServiceType: DWORD;   // ENUM_SERVICE_TYPE
  dwStartType: DWORD;   // SERVICE_START_TYPE
  dwErrorControl: DWORD;   // SERVICE_ERROR
  lpBinaryPathName: PAnsiChar;   // LPCSTR optional
  lpLoadOrderGroup: PAnsiChar;   // LPCSTR optional
  lpdwTagId: Pointer;   // DWORD* optional, out
  lpDependencies: PAnsiChar;   // LPCSTR optional
  lpServiceStartName: PAnsiChar;   // LPCSTR optional
  lpPassword: PAnsiChar;   // LPCSTR optional
  lpDisplayName: PAnsiChar   // LPCSTR optional
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'ChangeServiceConfigA';

result := DllCall("ADVAPI32\ChangeServiceConfigA"
    , "Ptr", hService   ; SC_HANDLE
    , "UInt", dwServiceType   ; ENUM_SERVICE_TYPE
    , "UInt", dwStartType   ; SERVICE_START_TYPE
    , "UInt", dwErrorControl   ; SERVICE_ERROR
    , "AStr", lpBinaryPathName   ; LPCSTR optional
    , "AStr", lpLoadOrderGroup   ; LPCSTR optional
    , "Ptr", lpdwTagId   ; DWORD* optional, out
    , "AStr", lpDependencies   ; LPCSTR optional
    , "AStr", lpServiceStartName   ; LPCSTR optional
    , "AStr", lpPassword   ; LPCSTR optional
    , "AStr", lpDisplayName   ; LPCSTR optional
    , "Int")   ; return: BOOL

●ChangeServiceConfigA(hService, dwServiceType, dwStartType, dwErrorControl, lpBinaryPathName, lpLoadOrderGroup, lpdwTagId, lpDependencies, lpServiceStartName, lpPassword, lpDisplayName) = DLL("ADVAPI32.dll", "bool ChangeServiceConfigA(void*, dword, dword, dword, char*, char*, void*, char*, char*, char*, char*)")
# 呼び出し: ChangeServiceConfigA(hService, dwServiceType, dwStartType, dwErrorControl, lpBinaryPathName, lpLoadOrderGroup, lpdwTagId, lpDependencies, lpServiceStartName, lpPassword, lpDisplayName)
# hService : SC_HANDLE -> "void*"
# dwServiceType : ENUM_SERVICE_TYPE -> "dword"
# dwStartType : SERVICE_START_TYPE -> "dword"
# dwErrorControl : SERVICE_ERROR -> "dword"
# lpBinaryPathName : LPCSTR optional -> "char*"
# lpLoadOrderGroup : LPCSTR optional -> "char*"
# lpdwTagId : DWORD* optional, out -> "void*"
# lpDependencies : LPCSTR optional -> "char*"
# lpServiceStartName : LPCSTR optional -> "char*"
# lpPassword : LPCSTR optional -> "char*"
# lpDisplayName : LPCSTR optional -> "char*"
# 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 "advapi32" fn ChangeServiceConfigA(
    hService: ?*anyopaque, // SC_HANDLE
    dwServiceType: u32, // ENUM_SERVICE_TYPE
    dwStartType: u32, // SERVICE_START_TYPE
    dwErrorControl: u32, // SERVICE_ERROR
    lpBinaryPathName: [*c]const u8, // LPCSTR optional
    lpLoadOrderGroup: [*c]const u8, // LPCSTR optional
    lpdwTagId: [*c]u32, // DWORD* optional, out
    lpDependencies: [*c]const u8, // LPCSTR optional
    lpServiceStartName: [*c]const u8, // LPCSTR optional
    lpPassword: [*c]const u8, // LPCSTR optional
    lpDisplayName: [*c]const u8 // LPCSTR optional
) callconv(std.os.windows.WINAPI) i32;

proc ChangeServiceConfigA(
    hService: pointer,  # SC_HANDLE
    dwServiceType: uint32,  # ENUM_SERVICE_TYPE
    dwStartType: uint32,  # SERVICE_START_TYPE
    dwErrorControl: uint32,  # SERVICE_ERROR
    lpBinaryPathName: cstring,  # LPCSTR optional
    lpLoadOrderGroup: cstring,  # LPCSTR optional
    lpdwTagId: ptr uint32,  # DWORD* optional, out
    lpDependencies: cstring,  # LPCSTR optional
    lpServiceStartName: cstring,  # LPCSTR optional
    lpPassword: cstring,  # LPCSTR optional
    lpDisplayName: cstring  # LPCSTR optional
): int32 {.importc: "ChangeServiceConfigA", stdcall, dynlib: "ADVAPI32.dll".}

pragma(lib, "advapi32");
extern(Windows)
int ChangeServiceConfigA(
    void* hService,   // SC_HANDLE
    uint dwServiceType,   // ENUM_SERVICE_TYPE
    uint dwStartType,   // SERVICE_START_TYPE
    uint dwErrorControl,   // SERVICE_ERROR
    const(char)* lpBinaryPathName,   // LPCSTR optional
    const(char)* lpLoadOrderGroup,   // LPCSTR optional
    uint* lpdwTagId,   // DWORD* optional, out
    const(char)* lpDependencies,   // LPCSTR optional
    const(char)* lpServiceStartName,   // LPCSTR optional
    const(char)* lpPassword,   // LPCSTR optional
    const(char)* lpDisplayName   // LPCSTR optional
);

ccall((:ChangeServiceConfigA, "ADVAPI32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt32, UInt32, UInt32, Cstring, Cstring, Ptr{UInt32}, Cstring, Cstring, Cstring, Cstring),
      hService, dwServiceType, dwStartType, dwErrorControl, lpBinaryPathName, lpLoadOrderGroup, lpdwTagId, lpDependencies, lpServiceStartName, lpPassword, lpDisplayName)
# hService : SC_HANDLE -> Ptr{Cvoid}
# dwServiceType : ENUM_SERVICE_TYPE -> UInt32
# dwStartType : SERVICE_START_TYPE -> UInt32
# dwErrorControl : SERVICE_ERROR -> UInt32
# lpBinaryPathName : LPCSTR optional -> Cstring
# lpLoadOrderGroup : LPCSTR optional -> Cstring
# lpdwTagId : DWORD* optional, out -> Ptr{UInt32}
# lpDependencies : LPCSTR optional -> Cstring
# lpServiceStartName : LPCSTR optional -> Cstring
# lpPassword : LPCSTR optional -> Cstring
# lpDisplayName : LPCSTR optional -> Cstring
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t ChangeServiceConfigA(
    void* hService,
    uint32_t dwServiceType,
    uint32_t dwStartType,
    uint32_t dwErrorControl,
    const char* lpBinaryPathName,
    const char* lpLoadOrderGroup,
    uint32_t* lpdwTagId,
    const char* lpDependencies,
    const char* lpServiceStartName,
    const char* lpPassword,
    const char* lpDisplayName);
]]
local advapi32 = ffi.load("advapi32")
-- advapi32.ChangeServiceConfigA(hService, dwServiceType, dwStartType, dwErrorControl, lpBinaryPathName, lpLoadOrderGroup, lpdwTagId, lpDependencies, lpServiceStartName, lpPassword, lpDisplayName)
-- hService : SC_HANDLE
-- dwServiceType : ENUM_SERVICE_TYPE
-- dwStartType : SERVICE_START_TYPE
-- dwErrorControl : SERVICE_ERROR
-- lpBinaryPathName : LPCSTR optional
-- lpLoadOrderGroup : LPCSTR optional
-- lpdwTagId : DWORD* optional, out
-- lpDependencies : LPCSTR optional
-- lpServiceStartName : LPCSTR optional
-- lpPassword : LPCSTR optional
-- lpDisplayName : LPCSTR optional
-- 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('ADVAPI32.dll');
const ChangeServiceConfigA = lib.func('__stdcall', 'ChangeServiceConfigA', 'int32_t', ['void *', 'uint32_t', 'uint32_t', 'uint32_t', 'str', 'str', 'uint32_t *', 'str', 'str', 'str', 'str']);
// ChangeServiceConfigA(hService, dwServiceType, dwStartType, dwErrorControl, lpBinaryPathName, lpLoadOrderGroup, lpdwTagId, lpDependencies, lpServiceStartName, lpPassword, lpDisplayName)
// hService : SC_HANDLE -> 'void *'
// dwServiceType : ENUM_SERVICE_TYPE -> 'uint32_t'
// dwStartType : SERVICE_START_TYPE -> 'uint32_t'
// dwErrorControl : SERVICE_ERROR -> 'uint32_t'
// lpBinaryPathName : LPCSTR optional -> 'str'
// lpLoadOrderGroup : LPCSTR optional -> 'str'
// lpdwTagId : DWORD* optional, out -> 'uint32_t *'
// lpDependencies : LPCSTR optional -> 'str'
// lpServiceStartName : LPCSTR optional -> 'str'
// lpPassword : LPCSTR optional -> 'str'
// lpDisplayName : LPCSTR optional -> 'str'
// 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("ADVAPI32.dll", {
  ChangeServiceConfigA: { parameters: ["pointer", "u32", "u32", "u32", "buffer", "buffer", "pointer", "buffer", "buffer", "buffer", "buffer"], result: "i32" },
});
// lib.symbols.ChangeServiceConfigA(hService, dwServiceType, dwStartType, dwErrorControl, lpBinaryPathName, lpLoadOrderGroup, lpdwTagId, lpDependencies, lpServiceStartName, lpPassword, lpDisplayName)
// hService : SC_HANDLE -> "pointer"
// dwServiceType : ENUM_SERVICE_TYPE -> "u32"
// dwStartType : SERVICE_START_TYPE -> "u32"
// dwErrorControl : SERVICE_ERROR -> "u32"
// lpBinaryPathName : LPCSTR optional -> "buffer"
// lpLoadOrderGroup : LPCSTR optional -> "buffer"
// lpdwTagId : DWORD* optional, out -> "pointer"
// lpDependencies : LPCSTR optional -> "buffer"
// lpServiceStartName : LPCSTR optional -> "buffer"
// lpPassword : LPCSTR optional -> "buffer"
// lpDisplayName : LPCSTR optional -> "buffer"
// 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
int32_t ChangeServiceConfigA(
    void* hService,
    uint32_t dwServiceType,
    uint32_t dwStartType,
    uint32_t dwErrorControl,
    const char* lpBinaryPathName,
    const char* lpLoadOrderGroup,
    uint32_t* lpdwTagId,
    const char* lpDependencies,
    const char* lpServiceStartName,
    const char* lpPassword,
    const char* lpDisplayName);
C, "ADVAPI32.dll");
// $ffi->ChangeServiceConfigA(hService, dwServiceType, dwStartType, dwErrorControl, lpBinaryPathName, lpLoadOrderGroup, lpdwTagId, lpDependencies, lpServiceStartName, lpPassword, lpDisplayName);
// hService : SC_HANDLE
// dwServiceType : ENUM_SERVICE_TYPE
// dwStartType : SERVICE_START_TYPE
// dwErrorControl : SERVICE_ERROR
// lpBinaryPathName : LPCSTR optional
// lpLoadOrderGroup : LPCSTR optional
// lpdwTagId : DWORD* optional, out
// lpDependencies : LPCSTR optional
// lpServiceStartName : LPCSTR optional
// lpPassword : LPCSTR optional
// lpDisplayName : LPCSTR optional
// 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 Advapi32 extends StdCallLibrary {
    Advapi32 INSTANCE = Native.load("advapi32", Advapi32.class, W32APIOptions.ASCII_OPTIONS);
    boolean ChangeServiceConfigA(
        Pointer hService,   // SC_HANDLE
        int dwServiceType,   // ENUM_SERVICE_TYPE
        int dwStartType,   // SERVICE_START_TYPE
        int dwErrorControl,   // SERVICE_ERROR
        String lpBinaryPathName,   // LPCSTR optional
        String lpLoadOrderGroup,   // LPCSTR optional
        IntByReference lpdwTagId,   // DWORD* optional, out
        String lpDependencies,   // LPCSTR optional
        String lpServiceStartName,   // LPCSTR optional
        String lpPassword,   // LPCSTR optional
        String lpDisplayName   // LPCSTR optional
    );
}

@[Link("advapi32")]
lib LibADVAPI32
  fun ChangeServiceConfigA = ChangeServiceConfigA(
    hService : Void*,   # SC_HANDLE
    dwServiceType : UInt32,   # ENUM_SERVICE_TYPE
    dwStartType : UInt32,   # SERVICE_START_TYPE
    dwErrorControl : UInt32,   # SERVICE_ERROR
    lpBinaryPathName : UInt8*,   # LPCSTR optional
    lpLoadOrderGroup : UInt8*,   # LPCSTR optional
    lpdwTagId : UInt32*,   # DWORD* optional, out
    lpDependencies : UInt8*,   # LPCSTR optional
    lpServiceStartName : UInt8*,   # LPCSTR optional
    lpPassword : UInt8*,   # LPCSTR optional
    lpDisplayName : UInt8*   # LPCSTR optional
  ) : 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 ChangeServiceConfigANative = Int32 Function(Pointer<Void>, Uint32, Uint32, Uint32, Pointer<Utf8>, Pointer<Utf8>, Pointer<Uint32>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
typedef ChangeServiceConfigADart = int Function(Pointer<Void>, int, int, int, Pointer<Utf8>, Pointer<Utf8>, Pointer<Uint32>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
final ChangeServiceConfigA = DynamicLibrary.open('ADVAPI32.dll')
    .lookupFunction<ChangeServiceConfigANative, ChangeServiceConfigADart>('ChangeServiceConfigA');
// hService : SC_HANDLE -> Pointer<Void>
// dwServiceType : ENUM_SERVICE_TYPE -> Uint32
// dwStartType : SERVICE_START_TYPE -> Uint32
// dwErrorControl : SERVICE_ERROR -> Uint32
// lpBinaryPathName : LPCSTR optional -> Pointer<Utf8>
// lpLoadOrderGroup : LPCSTR optional -> Pointer<Utf8>
// lpdwTagId : DWORD* optional, out -> Pointer<Uint32>
// lpDependencies : LPCSTR optional -> Pointer<Utf8>
// lpServiceStartName : LPCSTR optional -> Pointer<Utf8>
// lpPassword : LPCSTR optional -> Pointer<Utf8>
// lpDisplayName : LPCSTR optional -> Pointer<Utf8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ChangeServiceConfigA(
  hService: THandle;   // SC_HANDLE
  dwServiceType: DWORD;   // ENUM_SERVICE_TYPE
  dwStartType: DWORD;   // SERVICE_START_TYPE
  dwErrorControl: DWORD;   // SERVICE_ERROR
  lpBinaryPathName: PAnsiChar;   // LPCSTR optional
  lpLoadOrderGroup: PAnsiChar;   // LPCSTR optional
  lpdwTagId: Pointer;   // DWORD* optional, out
  lpDependencies: PAnsiChar;   // LPCSTR optional
  lpServiceStartName: PAnsiChar;   // LPCSTR optional
  lpPassword: PAnsiChar;   // LPCSTR optional
  lpDisplayName: PAnsiChar   // LPCSTR optional
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'ChangeServiceConfigA';

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

foreign import stdcall safe "ChangeServiceConfigA"
  c_ChangeServiceConfigA :: Ptr () -> Word32 -> Word32 -> Word32 -> CString -> CString -> Ptr Word32 -> CString -> CString -> CString -> CString -> IO CInt
-- hService : SC_HANDLE -> Ptr ()
-- dwServiceType : ENUM_SERVICE_TYPE -> Word32
-- dwStartType : SERVICE_START_TYPE -> Word32
-- dwErrorControl : SERVICE_ERROR -> Word32
-- lpBinaryPathName : LPCSTR optional -> CString
-- lpLoadOrderGroup : LPCSTR optional -> CString
-- lpdwTagId : DWORD* optional, out -> Ptr Word32
-- lpDependencies : LPCSTR optional -> CString
-- lpServiceStartName : LPCSTR optional -> CString
-- lpPassword : LPCSTR optional -> CString
-- lpDisplayName : LPCSTR optional -> CString
-- 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 changeserviceconfiga =
  foreign "ChangeServiceConfigA"
    ((ptr void) @-> uint32_t @-> uint32_t @-> uint32_t @-> string @-> string @-> (ptr uint32_t) @-> string @-> string @-> string @-> string @-> returning int32_t)
(* hService : SC_HANDLE -> (ptr void) *)
(* dwServiceType : ENUM_SERVICE_TYPE -> uint32_t *)
(* dwStartType : SERVICE_START_TYPE -> uint32_t *)
(* dwErrorControl : SERVICE_ERROR -> uint32_t *)
(* lpBinaryPathName : LPCSTR optional -> string *)
(* lpLoadOrderGroup : LPCSTR optional -> string *)
(* lpdwTagId : DWORD* optional, out -> (ptr uint32_t) *)
(* lpDependencies : LPCSTR optional -> string *)
(* lpServiceStartName : LPCSTR optional -> string *)
(* lpPassword : LPCSTR optional -> string *)
(* lpDisplayName : LPCSTR optional -> string *)
(* 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 advapi32 (t "ADVAPI32.dll"))
(cffi:use-foreign-library advapi32)

(cffi:defcfun ("ChangeServiceConfigA" change-service-config-a :convention :stdcall) :int32
  (h-service :pointer)   ; SC_HANDLE
  (dw-service-type :uint32)   ; ENUM_SERVICE_TYPE
  (dw-start-type :uint32)   ; SERVICE_START_TYPE
  (dw-error-control :uint32)   ; SERVICE_ERROR
  (lp-binary-path-name :string)   ; LPCSTR optional
  (lp-load-order-group :string)   ; LPCSTR optional
  (lpdw-tag-id :pointer)   ; DWORD* optional, out
  (lp-dependencies :string)   ; LPCSTR optional
  (lp-service-start-name :string)   ; LPCSTR optional
  (lp-password :string)   ; LPCSTR optional
  (lp-display-name :string))   ; LPCSTR optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ChangeServiceConfigA = Win32::API::More->new('ADVAPI32',
    'BOOL ChangeServiceConfigA(HANDLE hService, DWORD dwServiceType, DWORD dwStartType, DWORD dwErrorControl, LPCSTR lpBinaryPathName, LPCSTR lpLoadOrderGroup, LPVOID lpdwTagId, LPCSTR lpDependencies, LPCSTR lpServiceStartName, LPCSTR lpPassword, LPCSTR lpDisplayName)');
# my $ret = $ChangeServiceConfigA->Call($hService, $dwServiceType, $dwStartType, $dwErrorControl, $lpBinaryPathName, $lpLoadOrderGroup, $lpdwTagId, $lpDependencies, $lpServiceStartName, $lpPassword, $lpDisplayName);
# hService : SC_HANDLE -> HANDLE
# dwServiceType : ENUM_SERVICE_TYPE -> DWORD
# dwStartType : SERVICE_START_TYPE -> DWORD
# dwErrorControl : SERVICE_ERROR -> DWORD
# lpBinaryPathName : LPCSTR optional -> LPCSTR
# lpLoadOrderGroup : LPCSTR optional -> LPCSTR
# lpdwTagId : DWORD* optional, out -> LPVOID
# lpDependencies : LPCSTR optional -> LPCSTR
# lpServiceStartName : LPCSTR optional -> LPCSTR
# lpPassword : LPCSTR optional -> LPCSTR
# lpDisplayName : LPCSTR optional -> LPCSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。