GetStartupInfoA

// KERNEL32.dll  (ANSI / -A)
#include <windows.h>

void GetStartupInfoA(
    STARTUPINFOA* lpStartupInfo
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Sub GetStartupInfoA(
    lpStartupInfo As IntPtr   ' STARTUPINFOA* out
)
End Sub

' lpStartupInfo : STARTUPINFOA* out
Declare PtrSafe Sub GetStartupInfoA Lib "kernel32" ( _
    ByVal lpStartupInfo As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetStartupInfoA = ctypes.windll.kernel32.GetStartupInfoA
GetStartupInfoA.restype = None
GetStartupInfoA.argtypes = [
    ctypes.c_void_p,  # lpStartupInfo : STARTUPINFOA* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetStartupInfoA = Fiddle::Function.new(
  lib['GetStartupInfoA'],
  [
    Fiddle::TYPE_VOIDP,  # lpStartupInfo : STARTUPINFOA* out
  ],
  Fiddle::TYPE_VOID)

#[link(name = "kernel32")]
extern "system" {
    fn GetStartupInfoA(
        lpStartupInfo: *mut STARTUPINFOA  // STARTUPINFOA* out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi)]
public static extern void GetStartupInfoA(IntPtr lpStartupInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetStartupInfoA' -Namespace Win32 -PassThru
# $api::GetStartupInfoA(lpStartupInfo)

#uselib "KERNEL32.dll"
#func global GetStartupInfoA "GetStartupInfoA" sptr
; GetStartupInfoA varptr(lpStartupInfo)
; lpStartupInfo : STARTUPINFOA* out -> "sptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetStartupInfoA = kernel32.NewProc("GetStartupInfoA")
)

// lpStartupInfo (STARTUPINFOA* out)
r1, _, err := procGetStartupInfoA.Call(
	uintptr(lpStartupInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure GetStartupInfoA(
  lpStartupInfo: Pointer   // STARTUPINFOA* out
); stdcall;
  external 'KERNEL32.dll' name 'GetStartupInfoA';

result := DllCall("KERNEL32\GetStartupInfoA"
    , "Ptr", lpStartupInfo   ; STARTUPINFOA* out
    , "Int")   ; return: void

●GetStartupInfoA(lpStartupInfo) = DLL("KERNEL32.dll", "int GetStartupInfoA(void*)")
# 呼び出し: GetStartupInfoA(lpStartupInfo)
# lpStartupInfo : STARTUPINFOA* 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 "kernel32" fn GetStartupInfoA(
    lpStartupInfo: [*c]STARTUPINFOA // STARTUPINFOA* out
) callconv(std.os.windows.WINAPI) void;

proc GetStartupInfoA(
    lpStartupInfo: ptr STARTUPINFOA  # STARTUPINFOA* out
) {.importc: "GetStartupInfoA", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
void GetStartupInfoA(
    STARTUPINFOA* lpStartupInfo   // STARTUPINFOA* out
);

ccall((:GetStartupInfoA, "KERNEL32.dll"), stdcall, Cvoid,
      (Ptr{STARTUPINFOA},),
      lpStartupInfo)
# lpStartupInfo : STARTUPINFOA* out -> Ptr{STARTUPINFOA}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void GetStartupInfoA(
    void* lpStartupInfo);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.GetStartupInfoA(lpStartupInfo)
-- lpStartupInfo : STARTUPINFOA* 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('KERNEL32.dll');
const GetStartupInfoA = lib.func('__stdcall', 'GetStartupInfoA', 'void', ['void *']);
// GetStartupInfoA(lpStartupInfo)
// lpStartupInfo : STARTUPINFOA* out -> 'void *'
// 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("KERNEL32.dll", {
  GetStartupInfoA: { parameters: ["pointer"], result: "void" },
});
// lib.symbols.GetStartupInfoA(lpStartupInfo)
// lpStartupInfo : STARTUPINFOA* 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
void GetStartupInfoA(
    void* lpStartupInfo);
C, "KERNEL32.dll");
// $ffi->GetStartupInfoA(lpStartupInfo);
// lpStartupInfo : STARTUPINFOA* 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class, W32APIOptions.ASCII_OPTIONS);
    void GetStartupInfoA(
        Pointer lpStartupInfo   // STARTUPINFOA* out
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun GetStartupInfoA = GetStartupInfoA(
    lpStartupInfo : STARTUPINFOA*   # STARTUPINFOA* out
  ) : Void
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 GetStartupInfoANative = Void Function(Pointer<Void>);
typedef GetStartupInfoADart = void Function(Pointer<Void>);
final GetStartupInfoA = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<GetStartupInfoANative, GetStartupInfoADart>('GetStartupInfoA');
// lpStartupInfo : STARTUPINFOA* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure GetStartupInfoA(
  lpStartupInfo: Pointer   // STARTUPINFOA* out
); stdcall;
  external 'KERNEL32.dll' name 'GetStartupInfoA';

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

foreign import stdcall safe "GetStartupInfoA"
  c_GetStartupInfoA :: Ptr () -> IO ()
-- lpStartupInfo : STARTUPINFOA* out -> Ptr ()
-- 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 getstartupinfoa =
  foreign "GetStartupInfoA"
    ((ptr void) @-> returning void)
(* lpStartupInfo : STARTUPINFOA* out -> (ptr void) *)
(* 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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("GetStartupInfoA" get-startup-info-a :convention :stdcall) :void
  (lp-startup-info :pointer))   ; STARTUPINFOA* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetStartupInfoA = Win32::API::More->new('KERNEL32',
    'void GetStartupInfoA(LPVOID lpStartupInfo)');
# my $ret = $GetStartupInfoA->Call($lpStartupInfo);
# lpStartupInfo : STARTUPINFOA* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。