GetLongPathNameA

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

DWORD GetLongPathNameA(
    LPCSTR lpszShortPath,
    LPSTR lpszLongPath,   // optional
    DWORD cchBuffer
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetLongPathNameA(
    <MarshalAs(UnmanagedType.LPStr)> lpszShortPath As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> lpszLongPath As System.Text.StringBuilder,   ' LPSTR optional, out
    cchBuffer As UInteger   ' DWORD
) As UInteger
End Function

' lpszShortPath : LPCSTR
' lpszLongPath : LPSTR optional, out
' cchBuffer : DWORD
Declare PtrSafe Function GetLongPathNameA Lib "kernel32" ( _
    ByVal lpszShortPath As String, _
    ByVal lpszLongPath As String, _
    ByVal cchBuffer 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

GetLongPathNameA = ctypes.windll.kernel32.GetLongPathNameA
GetLongPathNameA.restype = wintypes.DWORD
GetLongPathNameA.argtypes = [
    wintypes.LPCSTR,  # lpszShortPath : LPCSTR
    wintypes.LPSTR,  # lpszLongPath : LPSTR optional, out
    wintypes.DWORD,  # cchBuffer : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetLongPathNameA = Fiddle::Function.new(
  lib['GetLongPathNameA'],
  [
    Fiddle::TYPE_VOIDP,  # lpszShortPath : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpszLongPath : LPSTR optional, out
    -Fiddle::TYPE_INT,  # cchBuffer : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetLongPathNameA(
        lpszShortPath: *const u8,  // LPCSTR
        lpszLongPath: *mut u8,  // LPSTR optional, out
        cchBuffer: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern uint GetLongPathNameA([MarshalAs(UnmanagedType.LPStr)] string lpszShortPath, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpszLongPath, uint cchBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetLongPathNameA' -Namespace Win32 -PassThru
# $api::GetLongPathNameA(lpszShortPath, lpszLongPath, cchBuffer)

#uselib "KERNEL32.dll"
#func global GetLongPathNameA "GetLongPathNameA" sptr, sptr, sptr
; GetLongPathNameA lpszShortPath, varptr(lpszLongPath), cchBuffer   ; 戻り値は stat
; lpszShortPath : LPCSTR -> "sptr"
; lpszLongPath : LPSTR optional, out -> "sptr"
; cchBuffer : DWORD -> "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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetLongPathNameA = kernel32.NewProc("GetLongPathNameA")
)

// lpszShortPath (LPCSTR), lpszLongPath (LPSTR optional, out), cchBuffer (DWORD)
r1, _, err := procGetLongPathNameA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszShortPath))),
	uintptr(lpszLongPath),
	uintptr(cchBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetLongPathNameA(
  lpszShortPath: PAnsiChar;   // LPCSTR
  lpszLongPath: PAnsiChar;   // LPSTR optional, out
  cchBuffer: DWORD   // DWORD
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'GetLongPathNameA';

result := DllCall("KERNEL32\GetLongPathNameA"
    , "AStr", lpszShortPath   ; LPCSTR
    , "Ptr", lpszLongPath   ; LPSTR optional, out
    , "UInt", cchBuffer   ; DWORD
    , "UInt")   ; return: DWORD

●GetLongPathNameA(lpszShortPath, lpszLongPath, cchBuffer) = DLL("KERNEL32.dll", "dword GetLongPathNameA(char*, char*, dword)")
# 呼び出し: GetLongPathNameA(lpszShortPath, lpszLongPath, cchBuffer)
# lpszShortPath : LPCSTR -> "char*"
# lpszLongPath : LPSTR optional, out -> "char*"
# cchBuffer : DWORD -> "dword"
# 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 GetLongPathNameA(
    lpszShortPath: [*c]const u8, // LPCSTR
    lpszLongPath: [*c]u8, // LPSTR optional, out
    cchBuffer: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;

proc GetLongPathNameA(
    lpszShortPath: cstring,  # LPCSTR
    lpszLongPath: ptr char,  # LPSTR optional, out
    cchBuffer: uint32  # DWORD
): uint32 {.importc: "GetLongPathNameA", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
uint GetLongPathNameA(
    const(char)* lpszShortPath,   // LPCSTR
    char* lpszLongPath,   // LPSTR optional, out
    uint cchBuffer   // DWORD
);

ccall((:GetLongPathNameA, "KERNEL32.dll"), stdcall, UInt32,
      (Cstring, Ptr{UInt8}, UInt32),
      lpszShortPath, lpszLongPath, cchBuffer)
# lpszShortPath : LPCSTR -> Cstring
# lpszLongPath : LPSTR optional, out -> Ptr{UInt8}
# cchBuffer : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t GetLongPathNameA(
    const char* lpszShortPath,
    char* lpszLongPath,
    uint32_t cchBuffer);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.GetLongPathNameA(lpszShortPath, lpszLongPath, cchBuffer)
-- lpszShortPath : LPCSTR
-- lpszLongPath : LPSTR optional, out
-- cchBuffer : DWORD
-- 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 GetLongPathNameA = lib.func('__stdcall', 'GetLongPathNameA', 'uint32_t', ['str', 'char *', 'uint32_t']);
// GetLongPathNameA(lpszShortPath, lpszLongPath, cchBuffer)
// lpszShortPath : LPCSTR -> 'str'
// lpszLongPath : LPSTR optional, out -> 'char *'
// cchBuffer : DWORD -> 'uint32_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("KERNEL32.dll", {
  GetLongPathNameA: { parameters: ["buffer", "buffer", "u32"], result: "u32" },
});
// lib.symbols.GetLongPathNameA(lpszShortPath, lpszLongPath, cchBuffer)
// lpszShortPath : LPCSTR -> "buffer"
// lpszLongPath : LPSTR optional, out -> "buffer"
// cchBuffer : DWORD -> "u32"
// 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
uint32_t GetLongPathNameA(
    const char* lpszShortPath,
    char* lpszLongPath,
    uint32_t cchBuffer);
C, "KERNEL32.dll");
// $ffi->GetLongPathNameA(lpszShortPath, lpszLongPath, cchBuffer);
// lpszShortPath : LPCSTR
// lpszLongPath : LPSTR optional, out
// cchBuffer : DWORD
// 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);
    int GetLongPathNameA(
        String lpszShortPath,   // LPCSTR
        byte[] lpszLongPath,   // LPSTR optional, out
        int cchBuffer   // DWORD
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun GetLongPathNameA = GetLongPathNameA(
    lpszShortPath : UInt8*,   # LPCSTR
    lpszLongPath : UInt8*,   # LPSTR optional, out
    cchBuffer : UInt32   # DWORD
  ) : UInt32
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 GetLongPathNameANative = Uint32 Function(Pointer<Utf8>, Pointer<Utf8>, Uint32);
typedef GetLongPathNameADart = int Function(Pointer<Utf8>, Pointer<Utf8>, int);
final GetLongPathNameA = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<GetLongPathNameANative, GetLongPathNameADart>('GetLongPathNameA');
// lpszShortPath : LPCSTR -> Pointer<Utf8>
// lpszLongPath : LPSTR optional, out -> Pointer<Utf8>
// cchBuffer : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetLongPathNameA(
  lpszShortPath: PAnsiChar;   // LPCSTR
  lpszLongPath: PAnsiChar;   // LPSTR optional, out
  cchBuffer: DWORD   // DWORD
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'GetLongPathNameA';

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

foreign import stdcall safe "GetLongPathNameA"
  c_GetLongPathNameA :: CString -> CString -> Word32 -> IO Word32
-- lpszShortPath : LPCSTR -> CString
-- lpszLongPath : LPSTR optional, out -> CString
-- cchBuffer : DWORD -> Word32
-- 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 getlongpathnamea =
  foreign "GetLongPathNameA"
    (string @-> string @-> uint32_t @-> returning uint32_t)
(* lpszShortPath : LPCSTR -> string *)
(* lpszLongPath : LPSTR optional, out -> string *)
(* cchBuffer : DWORD -> uint32_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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("GetLongPathNameA" get-long-path-name-a :convention :stdcall) :uint32
  (lpsz-short-path :string)   ; LPCSTR
  (lpsz-long-path :pointer)   ; LPSTR optional, out
  (cch-buffer :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetLongPathNameA = Win32::API::More->new('KERNEL32',
    'DWORD GetLongPathNameA(LPCSTR lpszShortPath, LPSTR lpszLongPath, DWORD cchBuffer)');
# my $ret = $GetLongPathNameA->Call($lpszShortPath, $lpszLongPath, $cchBuffer);
# lpszShortPath : LPCSTR -> LPCSTR
# lpszLongPath : LPSTR optional, out -> LPSTR
# cchBuffer : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。