PathCchAddBackslash

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

HRESULT PathCchAddBackslash(
    LPWSTR pszPath,
    UINT_PTR cchPath
);

<DllImport("api-ms-win-core-path-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function PathCchAddBackslash(
    <MarshalAs(UnmanagedType.LPWStr)> pszPath As System.Text.StringBuilder,   ' LPWSTR in/out
    cchPath As UIntPtr   ' UINT_PTR
) As Integer
End Function

' pszPath : LPWSTR in/out
' cchPath : UINT_PTR
Declare PtrSafe Function PathCchAddBackslash Lib "api-ms-win-core-path-l1-1-0" ( _
    ByVal pszPath As LongPtr, _
    ByVal cchPath 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

PathCchAddBackslash = ctypes.windll.LoadLibrary("api-ms-win-core-path-l1-1-0.dll").PathCchAddBackslash
PathCchAddBackslash.restype = ctypes.c_int
PathCchAddBackslash.argtypes = [
    wintypes.LPWSTR,  # pszPath : LPWSTR in/out
    ctypes.c_size_t,  # cchPath : UINT_PTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-path-l1-1-0.dll')
PathCchAddBackslash = Fiddle::Function.new(
  lib['PathCchAddBackslash'],
  [
    Fiddle::TYPE_VOIDP,  # pszPath : LPWSTR in/out
    Fiddle::TYPE_UINTPTR_T,  # cchPath : UINT_PTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-path-l1-1-0")]
extern "system" {
    fn PathCchAddBackslash(
        pszPath: *mut u16,  // LPWSTR in/out
        cchPath: usize  // UINT_PTR
    ) -> 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 PathCchAddBackslash([MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszPath, UIntPtr cchPath);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-path-l1-1-0_PathCchAddBackslash' -Namespace Win32 -PassThru
# $api::PathCchAddBackslash(pszPath, cchPath)

#uselib "api-ms-win-core-path-l1-1-0.dll"
#func global PathCchAddBackslash "PathCchAddBackslash" sptr, sptr
; PathCchAddBackslash varptr(pszPath), cchPath   ; 戻り値は stat
; pszPath : LPWSTR in/out -> "sptr"
; cchPath : UINT_PTR -> "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")
	procPathCchAddBackslash = api_ms_win_core_path_l1_1_0.NewProc("PathCchAddBackslash")
)

// pszPath (LPWSTR in/out), cchPath (UINT_PTR)
r1, _, err := procPathCchAddBackslash.Call(
	uintptr(pszPath),
	uintptr(cchPath),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PathCchAddBackslash(
  pszPath: PWideChar;   // LPWSTR in/out
  cchPath: NativeUInt   // UINT_PTR
): Integer; stdcall;
  external 'api-ms-win-core-path-l1-1-0.dll' name 'PathCchAddBackslash';

result := DllCall("api-ms-win-core-path-l1-1-0\PathCchAddBackslash"
    , "Ptr", pszPath   ; LPWSTR in/out
    , "UPtr", cchPath   ; UINT_PTR
    , "Int")   ; return: HRESULT

●PathCchAddBackslash(pszPath, cchPath) = DLL("api-ms-win-core-path-l1-1-0.dll", "int PathCchAddBackslash(char*, int)")
# 呼び出し: PathCchAddBackslash(pszPath, cchPath)
# pszPath : LPWSTR in/out -> "char*"
# cchPath : UINT_PTR -> "int"
# 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 PathCchAddBackslash(
    pszPath: [*c]u16, // LPWSTR in/out
    cchPath: usize // UINT_PTR
) callconv(std.os.windows.WINAPI) i32;

proc PathCchAddBackslash(
    pszPath: ptr uint16,  # LPWSTR in/out
    cchPath: uint  # UINT_PTR
): int32 {.importc: "PathCchAddBackslash", stdcall, dynlib: "api-ms-win-core-path-l1-1-0.dll".}

pragma(lib, "api-ms-win-core-path-l1-1-0");
extern(Windows)
int PathCchAddBackslash(
    wchar* pszPath,   // LPWSTR in/out
    size_t cchPath   // UINT_PTR
);

ccall((:PathCchAddBackslash, "api-ms-win-core-path-l1-1-0.dll"), stdcall, Int32,
      (Ptr{UInt16}, Csize_t),
      pszPath, cchPath)
# pszPath : LPWSTR in/out -> Ptr{UInt16}
# cchPath : UINT_PTR -> Csize_t
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PathCchAddBackslash(
    uint16_t* pszPath,
    uintptr_t cchPath);
]]
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.PathCchAddBackslash(pszPath, cchPath)
-- pszPath : LPWSTR in/out
-- cchPath : UINT_PTR
-- 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 PathCchAddBackslash = lib.func('__stdcall', 'PathCchAddBackslash', 'int32_t', ['uint16_t *', 'uintptr_t']);
// PathCchAddBackslash(pszPath, cchPath)
// pszPath : LPWSTR in/out -> 'uint16_t *'
// cchPath : UINT_PTR -> 'uintptr_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("api-ms-win-core-path-l1-1-0.dll", {
  PathCchAddBackslash: { parameters: ["buffer", "usize"], result: "i32" },
});
// lib.symbols.PathCchAddBackslash(pszPath, cchPath)
// pszPath : LPWSTR in/out -> "buffer"
// cchPath : UINT_PTR -> "usize"
// 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 PathCchAddBackslash(
    uint16_t* pszPath,
    size_t cchPath);
C, "api-ms-win-core-path-l1-1-0.dll");
// $ffi->PathCchAddBackslash(pszPath, cchPath);
// pszPath : LPWSTR in/out
// cchPath : UINT_PTR
// 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 PathCchAddBackslash(
        char[] pszPath,   // LPWSTR in/out
        long cchPath   // UINT_PTR
    );
}

@[Link("api-ms-win-core-path-l1-1-0")]
lib Libapi-ms-win-core-path-l1-1-0
  fun PathCchAddBackslash = PathCchAddBackslash(
    pszPath : UInt16*,   # LPWSTR in/out
    cchPath : LibC::SizeT   # UINT_PTR
  ) : 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 PathCchAddBackslashNative = Int32 Function(Pointer<Utf16>, UintPtr);
typedef PathCchAddBackslashDart = int Function(Pointer<Utf16>, int);
final PathCchAddBackslash = DynamicLibrary.open('api-ms-win-core-path-l1-1-0.dll')
    .lookupFunction<PathCchAddBackslashNative, PathCchAddBackslashDart>('PathCchAddBackslash');
// pszPath : LPWSTR in/out -> Pointer<Utf16>
// cchPath : UINT_PTR -> UintPtr
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PathCchAddBackslash(
  pszPath: PWideChar;   // LPWSTR in/out
  cchPath: NativeUInt   // UINT_PTR
): Integer; stdcall;
  external 'api-ms-win-core-path-l1-1-0.dll' name 'PathCchAddBackslash';

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

foreign import stdcall safe "PathCchAddBackslash"
  c_PathCchAddBackslash :: CWString -> CUIntPtr -> IO Int32
-- pszPath : LPWSTR in/out -> CWString
-- cchPath : UINT_PTR -> CUIntPtr
-- 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 pathcchaddbackslash =
  foreign "PathCchAddBackslash"
    ((ptr uint16_t) @-> size_t @-> returning int32_t)
(* pszPath : LPWSTR in/out -> (ptr uint16_t) *)
(* cchPath : UINT_PTR -> size_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 ("PathCchAddBackslash" path-cch-add-backslash :convention :stdcall) :int32
  (psz-path :pointer)   ; LPWSTR in/out
  (cch-path :uint64))   ; UINT_PTR
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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