CommandLineToArgvW

// SHELL32.dll
#include <windows.h>

LPWSTR* CommandLineToArgvW(
    LPCWSTR lpCmdLine,
    INT* pNumArgs
);

<DllImport("SHELL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CommandLineToArgvW(
    <MarshalAs(UnmanagedType.LPWStr)> lpCmdLine As String,   ' LPCWSTR
    <Out> ByRef pNumArgs As Integer   ' INT* out
) As IntPtr
End Function

' lpCmdLine : LPCWSTR
' pNumArgs : INT* out
Declare PtrSafe Function CommandLineToArgvW Lib "shell32" ( _
    ByVal lpCmdLine As LongPtr, _
    ByRef pNumArgs As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CommandLineToArgvW = ctypes.windll.shell32.CommandLineToArgvW
CommandLineToArgvW.restype = wintypes.LPWSTR
CommandLineToArgvW.argtypes = [
    wintypes.LPCWSTR,  # lpCmdLine : LPCWSTR
    ctypes.POINTER(ctypes.c_int),  # pNumArgs : INT* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
CommandLineToArgvW = Fiddle::Function.new(
  lib['CommandLineToArgvW'],
  [
    Fiddle::TYPE_VOIDP,  # lpCmdLine : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pNumArgs : INT* out
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "shell32")]
extern "system" {
    fn CommandLineToArgvW(
        lpCmdLine: *const u16,  // LPCWSTR
        pNumArgs: *mut i32  // INT* out
    ) -> *mut *mut u16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll", SetLastError = true)]
public static extern IntPtr CommandLineToArgvW([MarshalAs(UnmanagedType.LPWStr)] string lpCmdLine, out int pNumArgs);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_CommandLineToArgvW' -Namespace Win32 -PassThru
# $api::CommandLineToArgvW(lpCmdLine, pNumArgs)

#uselib "SHELL32.dll"
#func global CommandLineToArgvW "CommandLineToArgvW" sptr, sptr
; CommandLineToArgvW lpCmdLine, varptr(pNumArgs)   ; 戻り値は stat
; lpCmdLine : LPCWSTR -> "sptr"
; pNumArgs : INT* 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 (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procCommandLineToArgvW = shell32.NewProc("CommandLineToArgvW")
)

// lpCmdLine (LPCWSTR), pNumArgs (INT* out)
r1, _, err := procCommandLineToArgvW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpCmdLine))),
	uintptr(pNumArgs),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LPWSTR*

function CommandLineToArgvW(
  lpCmdLine: PWideChar;   // LPCWSTR
  pNumArgs: Pointer   // INT* out
): PWideChar; stdcall;
  external 'SHELL32.dll' name 'CommandLineToArgvW';

result := DllCall("SHELL32\CommandLineToArgvW"
    , "WStr", lpCmdLine   ; LPCWSTR
    , "Ptr", pNumArgs   ; INT* out
    , "Ptr")   ; return: LPWSTR*

●CommandLineToArgvW(lpCmdLine, pNumArgs) = DLL("SHELL32.dll", "void* CommandLineToArgvW(char*, void*)")
# 呼び出し: CommandLineToArgvW(lpCmdLine, pNumArgs)
# lpCmdLine : LPCWSTR -> "char*"
# pNumArgs : INT* 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 "shell32" fn CommandLineToArgvW(
    lpCmdLine: [*c]const u16, // LPCWSTR
    pNumArgs: [*c]i32 // INT* out
) callconv(std.os.windows.WINAPI) [*c][*c]u16;

proc CommandLineToArgvW(
    lpCmdLine: WideCString,  # LPCWSTR
    pNumArgs: ptr int32  # INT* out
): ptr WideCString {.importc: "CommandLineToArgvW", stdcall, dynlib: "SHELL32.dll".}

pragma(lib, "shell32");
extern(Windows)
wchar** CommandLineToArgvW(
    const(wchar)* lpCmdLine,   // LPCWSTR
    int* pNumArgs   // INT* out
);

ccall((:CommandLineToArgvW, "SHELL32.dll"), stdcall, Ptr{Ptr{UInt16}},
      (Cwstring, Ptr{Int32}),
      lpCmdLine, pNumArgs)
# lpCmdLine : LPCWSTR -> Cwstring
# pNumArgs : INT* out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint16_t** CommandLineToArgvW(
    const uint16_t* lpCmdLine,
    int32_t* pNumArgs);
]]
local shell32 = ffi.load("shell32")
-- shell32.CommandLineToArgvW(lpCmdLine, pNumArgs)
-- lpCmdLine : LPCWSTR
-- pNumArgs : INT* 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('SHELL32.dll');
const CommandLineToArgvW = lib.func('__stdcall', 'CommandLineToArgvW', 'void *', ['str16', 'int32_t *']);
// CommandLineToArgvW(lpCmdLine, pNumArgs)
// lpCmdLine : LPCWSTR -> 'str16'
// pNumArgs : INT* out -> 'int32_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("SHELL32.dll", {
  CommandLineToArgvW: { parameters: ["buffer", "pointer"], result: "pointer" },
});
// lib.symbols.CommandLineToArgvW(lpCmdLine, pNumArgs)
// lpCmdLine : LPCWSTR -> "buffer"
// pNumArgs : INT* out -> "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
uint16_t** CommandLineToArgvW(
    const uint16_t* lpCmdLine,
    int32_t* pNumArgs);
C, "SHELL32.dll");
// $ffi->CommandLineToArgvW(lpCmdLine, pNumArgs);
// lpCmdLine : LPCWSTR
// pNumArgs : INT* 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 Shell32 extends StdCallLibrary {
    Shell32 INSTANCE = Native.load("shell32", Shell32.class);
    Pointer CommandLineToArgvW(
        WString lpCmdLine,   // LPCWSTR
        IntByReference pNumArgs   // INT* out
    );
}

@[Link("shell32")]
lib LibSHELL32
  fun CommandLineToArgvW = CommandLineToArgvW(
    lpCmdLine : UInt16*,   # LPCWSTR
    pNumArgs : Int32*   # INT* out
  ) : UInt16**
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 CommandLineToArgvWNative = Pointer<Pointer<Utf16>> Function(Pointer<Utf16>, Pointer<Int32>);
typedef CommandLineToArgvWDart = Pointer<Pointer<Utf16>> Function(Pointer<Utf16>, Pointer<Int32>);
final CommandLineToArgvW = DynamicLibrary.open('SHELL32.dll')
    .lookupFunction<CommandLineToArgvWNative, CommandLineToArgvWDart>('CommandLineToArgvW');
// lpCmdLine : LPCWSTR -> Pointer<Utf16>
// pNumArgs : INT* out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CommandLineToArgvW(
  lpCmdLine: PWideChar;   // LPCWSTR
  pNumArgs: Pointer   // INT* out
): PWideChar; stdcall;
  external 'SHELL32.dll' name 'CommandLineToArgvW';

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

foreign import stdcall safe "CommandLineToArgvW"
  c_CommandLineToArgvW :: CWString -> Ptr Int32 -> IO (Ptr CWString)
-- lpCmdLine : LPCWSTR -> CWString
-- pNumArgs : INT* out -> Ptr Int32
-- 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 commandlinetoargvw =
  foreign "CommandLineToArgvW"
    ((ptr uint16_t) @-> (ptr int32_t) @-> returning (ptr (ptr uint16_t)))
(* lpCmdLine : LPCWSTR -> (ptr uint16_t) *)
(* pNumArgs : INT* out -> (ptr int32_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 shell32 (t "SHELL32.dll"))
(cffi:use-foreign-library shell32)

(cffi:defcfun ("CommandLineToArgvW" command-line-to-argv-w :convention :stdcall) :pointer
  (lp-cmd-line (:string :encoding :utf-16le))   ; LPCWSTR
  (p-num-args :pointer))   ; INT* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CommandLineToArgvW = Win32::API::More->new('SHELL32',
    'LPWSTR CommandLineToArgvW(LPCWSTR lpCmdLine, LPVOID pNumArgs)');
# my $ret = $CommandLineToArgvW->Call($lpCmdLine, $pNumArgs);
# lpCmdLine : LPCWSTR -> LPCWSTR
# pNumArgs : INT* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。