PathCchCombine

// api-ms-win-core-path-l1-1-0.dll
#include <windows.h>

HRESULT PathCchCombine(
    LPWSTR pszPathOut,
    UINT_PTR cchPathOut,
    LPCWSTR pszPathIn,   // optional
    LPCWSTR pszMore   // optional
);

<DllImport("api-ms-win-core-path-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function PathCchCombine(
    <MarshalAs(UnmanagedType.LPWStr)> pszPathOut As System.Text.StringBuilder,   ' LPWSTR out
    cchPathOut As UIntPtr,   ' UINT_PTR
    <MarshalAs(UnmanagedType.LPWStr)> pszPathIn As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> pszMore As String   ' LPCWSTR optional
) As Integer
End Function

' pszPathOut : LPWSTR out
' cchPathOut : UINT_PTR
' pszPathIn : LPCWSTR optional
' pszMore : LPCWSTR optional
Declare PtrSafe Function PathCchCombine Lib "api-ms-win-core-path-l1-1-0" ( _
    ByVal pszPathOut As LongPtr, _
    ByVal cchPathOut As LongPtr, _
    ByVal pszPathIn As LongPtr, _
    ByVal pszMore 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

PathCchCombine = ctypes.windll.LoadLibrary("api-ms-win-core-path-l1-1-0.dll").PathCchCombine
PathCchCombine.restype = ctypes.c_int
PathCchCombine.argtypes = [
    wintypes.LPWSTR,  # pszPathOut : LPWSTR out
    ctypes.c_size_t,  # cchPathOut : UINT_PTR
    wintypes.LPCWSTR,  # pszPathIn : LPCWSTR optional
    wintypes.LPCWSTR,  # pszMore : LPCWSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-path-l1-1-0.dll')
PathCchCombine = Fiddle::Function.new(
  lib['PathCchCombine'],
  [
    Fiddle::TYPE_VOIDP,  # pszPathOut : LPWSTR out
    Fiddle::TYPE_UINTPTR_T,  # cchPathOut : UINT_PTR
    Fiddle::TYPE_VOIDP,  # pszPathIn : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pszMore : LPCWSTR optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-path-l1-1-0")]
extern "system" {
    fn PathCchCombine(
        pszPathOut: *mut u16,  // LPWSTR out
        cchPathOut: usize,  // UINT_PTR
        pszPathIn: *const u16,  // LPCWSTR optional
        pszMore: *const u16  // LPCWSTR optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-path-l1-1-0.dll")]
public static extern int PathCchCombine([MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszPathOut, UIntPtr cchPathOut, [MarshalAs(UnmanagedType.LPWStr)] string pszPathIn, [MarshalAs(UnmanagedType.LPWStr)] string pszMore);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-path-l1-1-0_PathCchCombine' -Namespace Win32 -PassThru
# $api::PathCchCombine(pszPathOut, cchPathOut, pszPathIn, pszMore)

#uselib "api-ms-win-core-path-l1-1-0.dll"
#func global PathCchCombine "PathCchCombine" sptr, sptr, sptr, sptr
; PathCchCombine varptr(pszPathOut), cchPathOut, pszPathIn, pszMore   ; 戻り値は stat
; pszPathOut : LPWSTR out -> "sptr"
; cchPathOut : UINT_PTR -> "sptr"
; pszPathIn : LPCWSTR optional -> "sptr"
; pszMore : LPCWSTR 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 (
	api_ms_win_core_path_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-path-l1-1-0.dll")
	procPathCchCombine = api_ms_win_core_path_l1_1_0.NewProc("PathCchCombine")
)

// pszPathOut (LPWSTR out), cchPathOut (UINT_PTR), pszPathIn (LPCWSTR optional), pszMore (LPCWSTR optional)
r1, _, err := procPathCchCombine.Call(
	uintptr(pszPathOut),
	uintptr(cchPathOut),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszPathIn))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszMore))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PathCchCombine(
  pszPathOut: PWideChar;   // LPWSTR out
  cchPathOut: NativeUInt;   // UINT_PTR
  pszPathIn: PWideChar;   // LPCWSTR optional
  pszMore: PWideChar   // LPCWSTR optional
): Integer; stdcall;
  external 'api-ms-win-core-path-l1-1-0.dll' name 'PathCchCombine';

result := DllCall("api-ms-win-core-path-l1-1-0\PathCchCombine"
    , "Ptr", pszPathOut   ; LPWSTR out
    , "UPtr", cchPathOut   ; UINT_PTR
    , "WStr", pszPathIn   ; LPCWSTR optional
    , "WStr", pszMore   ; LPCWSTR optional
    , "Int")   ; return: HRESULT

●PathCchCombine(pszPathOut, cchPathOut, pszPathIn, pszMore) = DLL("api-ms-win-core-path-l1-1-0.dll", "int PathCchCombine(char*, int, char*, char*)")
# 呼び出し: PathCchCombine(pszPathOut, cchPathOut, pszPathIn, pszMore)
# pszPathOut : LPWSTR out -> "char*"
# cchPathOut : UINT_PTR -> "int"
# pszPathIn : LPCWSTR optional -> "char*"
# pszMore : LPCWSTR 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 "api-ms-win-core-path-l1-1-0" fn PathCchCombine(
    pszPathOut: [*c]u16, // LPWSTR out
    cchPathOut: usize, // UINT_PTR
    pszPathIn: [*c]const u16, // LPCWSTR optional
    pszMore: [*c]const u16 // LPCWSTR optional
) callconv(std.os.windows.WINAPI) i32;

proc PathCchCombine(
    pszPathOut: ptr uint16,  # LPWSTR out
    cchPathOut: uint,  # UINT_PTR
    pszPathIn: WideCString,  # LPCWSTR optional
    pszMore: WideCString  # LPCWSTR optional
): int32 {.importc: "PathCchCombine", stdcall, dynlib: "api-ms-win-core-path-l1-1-0.dll".}

pragma(lib, "api-ms-win-core-path-l1-1-0");
extern(Windows)
int PathCchCombine(
    wchar* pszPathOut,   // LPWSTR out
    size_t cchPathOut,   // UINT_PTR
    const(wchar)* pszPathIn,   // LPCWSTR optional
    const(wchar)* pszMore   // LPCWSTR optional
);

ccall((:PathCchCombine, "api-ms-win-core-path-l1-1-0.dll"), stdcall, Int32,
      (Ptr{UInt16}, Csize_t, Cwstring, Cwstring),
      pszPathOut, cchPathOut, pszPathIn, pszMore)
# pszPathOut : LPWSTR out -> Ptr{UInt16}
# cchPathOut : UINT_PTR -> Csize_t
# pszPathIn : LPCWSTR optional -> Cwstring
# pszMore : LPCWSTR optional -> Cwstring
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PathCchCombine(
    uint16_t* pszPathOut,
    uintptr_t cchPathOut,
    const uint16_t* pszPathIn,
    const uint16_t* pszMore);
]]
local api-ms-win-core-path-l1-1-0 = ffi.load("api-ms-win-core-path-l1-1-0")
-- api-ms-win-core-path-l1-1-0.PathCchCombine(pszPathOut, cchPathOut, pszPathIn, pszMore)
-- pszPathOut : LPWSTR out
-- cchPathOut : UINT_PTR
-- pszPathIn : LPCWSTR optional
-- pszMore : LPCWSTR 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('api-ms-win-core-path-l1-1-0.dll');
const PathCchCombine = lib.func('__stdcall', 'PathCchCombine', 'int32_t', ['uint16_t *', 'uintptr_t', 'str16', 'str16']);
// PathCchCombine(pszPathOut, cchPathOut, pszPathIn, pszMore)
// pszPathOut : LPWSTR out -> 'uint16_t *'
// cchPathOut : UINT_PTR -> 'uintptr_t'
// pszPathIn : LPCWSTR optional -> 'str16'
// pszMore : LPCWSTR optional -> 'str16'
// 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("api-ms-win-core-path-l1-1-0.dll", {
  PathCchCombine: { parameters: ["buffer", "usize", "buffer", "buffer"], result: "i32" },
});
// lib.symbols.PathCchCombine(pszPathOut, cchPathOut, pszPathIn, pszMore)
// pszPathOut : LPWSTR out -> "buffer"
// cchPathOut : UINT_PTR -> "usize"
// pszPathIn : LPCWSTR optional -> "buffer"
// pszMore : LPCWSTR optional -> "buffer"
// 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
int32_t PathCchCombine(
    uint16_t* pszPathOut,
    size_t cchPathOut,
    const uint16_t* pszPathIn,
    const uint16_t* pszMore);
C, "api-ms-win-core-path-l1-1-0.dll");
// $ffi->PathCchCombine(pszPathOut, cchPathOut, pszPathIn, pszMore);
// pszPathOut : LPWSTR out
// cchPathOut : UINT_PTR
// pszPathIn : LPCWSTR optional
// pszMore : LPCWSTR 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 Api-ms-win-core-path-l1-1-0 extends StdCallLibrary {
    Api-ms-win-core-path-l1-1-0 INSTANCE = Native.load("api-ms-win-core-path-l1-1-0", Api-ms-win-core-path-l1-1-0.class);
    int PathCchCombine(
        char[] pszPathOut,   // LPWSTR out
        long cchPathOut,   // UINT_PTR
        WString pszPathIn,   // LPCWSTR optional
        WString pszMore   // LPCWSTR optional
    );
}

@[Link("api-ms-win-core-path-l1-1-0")]
lib Libapi-ms-win-core-path-l1-1-0
  fun PathCchCombine = PathCchCombine(
    pszPathOut : UInt16*,   # LPWSTR out
    cchPathOut : LibC::SizeT,   # UINT_PTR
    pszPathIn : UInt16*,   # LPCWSTR optional
    pszMore : UInt16*   # LPCWSTR 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 PathCchCombineNative = Int32 Function(Pointer<Utf16>, UintPtr, Pointer<Utf16>, Pointer<Utf16>);
typedef PathCchCombineDart = int Function(Pointer<Utf16>, int, Pointer<Utf16>, Pointer<Utf16>);
final PathCchCombine = DynamicLibrary.open('api-ms-win-core-path-l1-1-0.dll')
    .lookupFunction<PathCchCombineNative, PathCchCombineDart>('PathCchCombine');
// pszPathOut : LPWSTR out -> Pointer<Utf16>
// cchPathOut : UINT_PTR -> UintPtr
// pszPathIn : LPCWSTR optional -> Pointer<Utf16>
// pszMore : LPCWSTR optional -> Pointer<Utf16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PathCchCombine(
  pszPathOut: PWideChar;   // LPWSTR out
  cchPathOut: NativeUInt;   // UINT_PTR
  pszPathIn: PWideChar;   // LPCWSTR optional
  pszMore: PWideChar   // LPCWSTR optional
): Integer; stdcall;
  external 'api-ms-win-core-path-l1-1-0.dll' name 'PathCchCombine';

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

foreign import stdcall safe "PathCchCombine"
  c_PathCchCombine :: CWString -> CUIntPtr -> CWString -> CWString -> IO Int32
-- pszPathOut : LPWSTR out -> CWString
-- cchPathOut : UINT_PTR -> CUIntPtr
-- pszPathIn : LPCWSTR optional -> CWString
-- pszMore : LPCWSTR optional -> CWString
-- 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 pathcchcombine =
  foreign "PathCchCombine"
    ((ptr uint16_t) @-> size_t @-> (ptr uint16_t) @-> (ptr uint16_t) @-> returning int32_t)
(* pszPathOut : LPWSTR out -> (ptr uint16_t) *)
(* cchPathOut : UINT_PTR -> size_t *)
(* pszPathIn : LPCWSTR optional -> (ptr uint16_t) *)
(* pszMore : LPCWSTR optional -> (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 api-ms-win-core-path-l1-1-0 (t "api-ms-win-core-path-l1-1-0.dll"))
(cffi:use-foreign-library api-ms-win-core-path-l1-1-0)

(cffi:defcfun ("PathCchCombine" path-cch-combine :convention :stdcall) :int32
  (psz-path-out :pointer)   ; LPWSTR out
  (cch-path-out :uint64)   ; UINT_PTR
  (psz-path-in (:string :encoding :utf-16le))   ; LPCWSTR optional
  (psz-more (:string :encoding :utf-16le)))   ; LPCWSTR optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PathCchCombine = Win32::API::More->new('api-ms-win-core-path-l1-1-0',
    'int PathCchCombine(LPWSTR pszPathOut, WPARAM cchPathOut, LPCWSTR pszPathIn, LPCWSTR pszMore)');
# my $ret = $PathCchCombine->Call($pszPathOut, $cchPathOut, $pszPathIn, $pszMore);
# pszPathOut : LPWSTR out -> LPWSTR
# cchPathOut : UINT_PTR -> WPARAM
# pszPathIn : LPCWSTR optional -> LPCWSTR
# pszMore : LPCWSTR optional -> LPCWSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。