SetServiceA

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

INT SetServiceA(
    DWORD dwNameSpace,
    SET_SERVICE_OPERATION dwOperation,
    DWORD dwFlags,
    SERVICE_INFOA* lpServiceInfo,
    SERVICE_ASYNC_INFO* lpServiceAsyncInfo,   // optional
    DWORD* lpdwStatusFlags
);

<DllImport("MSWSOCK.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetServiceA(
    dwNameSpace As UInteger,   ' DWORD
    dwOperation As UInteger,   ' SET_SERVICE_OPERATION
    dwFlags As UInteger,   ' DWORD
    lpServiceInfo As IntPtr,   ' SERVICE_INFOA*
    lpServiceAsyncInfo As IntPtr,   ' SERVICE_ASYNC_INFO* optional
    <Out> ByRef lpdwStatusFlags As UInteger   ' DWORD* out
) As Integer
End Function

' dwNameSpace : DWORD
' dwOperation : SET_SERVICE_OPERATION
' dwFlags : DWORD
' lpServiceInfo : SERVICE_INFOA*
' lpServiceAsyncInfo : SERVICE_ASYNC_INFO* optional
' lpdwStatusFlags : DWORD* out
Declare PtrSafe Function SetServiceA Lib "mswsock" ( _
    ByVal dwNameSpace As Long, _
    ByVal dwOperation As Long, _
    ByVal dwFlags As Long, _
    ByVal lpServiceInfo As LongPtr, _
    ByVal lpServiceAsyncInfo As LongPtr, _
    ByRef lpdwStatusFlags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetServiceA = ctypes.windll.mswsock.SetServiceA
SetServiceA.restype = ctypes.c_int
SetServiceA.argtypes = [
    wintypes.DWORD,  # dwNameSpace : DWORD
    wintypes.DWORD,  # dwOperation : SET_SERVICE_OPERATION
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.c_void_p,  # lpServiceInfo : SERVICE_INFOA*
    ctypes.c_void_p,  # lpServiceAsyncInfo : SERVICE_ASYNC_INFO* optional
    ctypes.POINTER(wintypes.DWORD),  # lpdwStatusFlags : DWORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSWSOCK.dll')
SetServiceA = Fiddle::Function.new(
  lib['SetServiceA'],
  [
    -Fiddle::TYPE_INT,  # dwNameSpace : DWORD
    -Fiddle::TYPE_INT,  # dwOperation : SET_SERVICE_OPERATION
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # lpServiceInfo : SERVICE_INFOA*
    Fiddle::TYPE_VOIDP,  # lpServiceAsyncInfo : SERVICE_ASYNC_INFO* optional
    Fiddle::TYPE_VOIDP,  # lpdwStatusFlags : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mswsock")]
extern "system" {
    fn SetServiceA(
        dwNameSpace: u32,  // DWORD
        dwOperation: u32,  // SET_SERVICE_OPERATION
        dwFlags: u32,  // DWORD
        lpServiceInfo: *mut SERVICE_INFOA,  // SERVICE_INFOA*
        lpServiceAsyncInfo: *mut SERVICE_ASYNC_INFO,  // SERVICE_ASYNC_INFO* optional
        lpdwStatusFlags: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSWSOCK.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern int SetServiceA(uint dwNameSpace, uint dwOperation, uint dwFlags, IntPtr lpServiceInfo, IntPtr lpServiceAsyncInfo, out uint lpdwStatusFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSWSOCK_SetServiceA' -Namespace Win32 -PassThru
# $api::SetServiceA(dwNameSpace, dwOperation, dwFlags, lpServiceInfo, lpServiceAsyncInfo, lpdwStatusFlags)

#uselib "MSWSOCK.dll"
#func global SetServiceA "SetServiceA" sptr, sptr, sptr, sptr, sptr, sptr
; SetServiceA dwNameSpace, dwOperation, dwFlags, varptr(lpServiceInfo), varptr(lpServiceAsyncInfo), varptr(lpdwStatusFlags)   ; 戻り値は stat
; dwNameSpace : DWORD -> "sptr"
; dwOperation : SET_SERVICE_OPERATION -> "sptr"
; dwFlags : DWORD -> "sptr"
; lpServiceInfo : SERVICE_INFOA* -> "sptr"
; lpServiceAsyncInfo : SERVICE_ASYNC_INFO* optional -> "sptr"
; lpdwStatusFlags : DWORD* 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。

#uselib "MSWSOCK.dll"
#cfunc global SetServiceA "SetServiceA" int, int, int, var, var, var
; res = SetServiceA(dwNameSpace, dwOperation, dwFlags, lpServiceInfo, lpServiceAsyncInfo, lpdwStatusFlags)
; dwNameSpace : DWORD -> "int"
; dwOperation : SET_SERVICE_OPERATION -> "int"
; dwFlags : DWORD -> "int"
; lpServiceInfo : SERVICE_INFOA* -> "var"
; lpServiceAsyncInfo : SERVICE_ASYNC_INFO* optional -> "var"
; lpdwStatusFlags : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; INT SetServiceA(DWORD dwNameSpace, SET_SERVICE_OPERATION dwOperation, DWORD dwFlags, SERVICE_INFOA* lpServiceInfo, SERVICE_ASYNC_INFO* lpServiceAsyncInfo, DWORD* lpdwStatusFlags)
#uselib "MSWSOCK.dll"
#cfunc global SetServiceA "SetServiceA" int, int, int, var, var, var
; res = SetServiceA(dwNameSpace, dwOperation, dwFlags, lpServiceInfo, lpServiceAsyncInfo, lpdwStatusFlags)
; dwNameSpace : DWORD -> "int"
; dwOperation : SET_SERVICE_OPERATION -> "int"
; dwFlags : DWORD -> "int"
; lpServiceInfo : SERVICE_INFOA* -> "var"
; lpServiceAsyncInfo : SERVICE_ASYNC_INFO* optional -> "var"
; lpdwStatusFlags : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	mswsock = windows.NewLazySystemDLL("MSWSOCK.dll")
	procSetServiceA = mswsock.NewProc("SetServiceA")
)

// dwNameSpace (DWORD), dwOperation (SET_SERVICE_OPERATION), dwFlags (DWORD), lpServiceInfo (SERVICE_INFOA*), lpServiceAsyncInfo (SERVICE_ASYNC_INFO* optional), lpdwStatusFlags (DWORD* out)
r1, _, err := procSetServiceA.Call(
	uintptr(dwNameSpace),
	uintptr(dwOperation),
	uintptr(dwFlags),
	uintptr(lpServiceInfo),
	uintptr(lpServiceAsyncInfo),
	uintptr(lpdwStatusFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function SetServiceA(
  dwNameSpace: DWORD;   // DWORD
  dwOperation: DWORD;   // SET_SERVICE_OPERATION
  dwFlags: DWORD;   // DWORD
  lpServiceInfo: Pointer;   // SERVICE_INFOA*
  lpServiceAsyncInfo: Pointer;   // SERVICE_ASYNC_INFO* optional
  lpdwStatusFlags: Pointer   // DWORD* out
): Integer; stdcall;
  external 'MSWSOCK.dll' name 'SetServiceA';

result := DllCall("MSWSOCK\SetServiceA"
    , "UInt", dwNameSpace   ; DWORD
    , "UInt", dwOperation   ; SET_SERVICE_OPERATION
    , "UInt", dwFlags   ; DWORD
    , "Ptr", lpServiceInfo   ; SERVICE_INFOA*
    , "Ptr", lpServiceAsyncInfo   ; SERVICE_ASYNC_INFO* optional
    , "Ptr", lpdwStatusFlags   ; DWORD* out
    , "Int")   ; return: INT

●SetServiceA(dwNameSpace, dwOperation, dwFlags, lpServiceInfo, lpServiceAsyncInfo, lpdwStatusFlags) = DLL("MSWSOCK.dll", "int SetServiceA(dword, dword, dword, void*, void*, void*)")
# 呼び出し: SetServiceA(dwNameSpace, dwOperation, dwFlags, lpServiceInfo, lpServiceAsyncInfo, lpdwStatusFlags)
# dwNameSpace : DWORD -> "dword"
# dwOperation : SET_SERVICE_OPERATION -> "dword"
# dwFlags : DWORD -> "dword"
# lpServiceInfo : SERVICE_INFOA* -> "void*"
# lpServiceAsyncInfo : SERVICE_ASYNC_INFO* optional -> "void*"
# lpdwStatusFlags : DWORD* 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)。