GetTempFileNameA

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

DWORD GetTempFileNameA(
    LPCSTR lpPathName,
    LPCSTR lpPrefixString,
    DWORD uUnique,
    LPSTR lpTempFileName
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetTempFileNameA(
    <MarshalAs(UnmanagedType.LPStr)> lpPathName As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> lpPrefixString As String,   ' LPCSTR
    uUnique As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> lpTempFileName As System.Text.StringBuilder   ' LPSTR out
) As UInteger
End Function

' lpPathName : LPCSTR
' lpPrefixString : LPCSTR
' uUnique : DWORD
' lpTempFileName : LPSTR out
Declare PtrSafe Function GetTempFileNameA Lib "kernel32" ( _
    ByVal lpPathName As String, _
    ByVal lpPrefixString As String, _
    ByVal uUnique As Long, _
    ByVal lpTempFileName As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetTempFileNameA = ctypes.windll.kernel32.GetTempFileNameA
GetTempFileNameA.restype = wintypes.DWORD
GetTempFileNameA.argtypes = [
    wintypes.LPCSTR,  # lpPathName : LPCSTR
    wintypes.LPCSTR,  # lpPrefixString : LPCSTR
    wintypes.DWORD,  # uUnique : DWORD
    wintypes.LPSTR,  # lpTempFileName : LPSTR out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetTempFileNameA = Fiddle::Function.new(
  lib['GetTempFileNameA'],
  [
    Fiddle::TYPE_VOIDP,  # lpPathName : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpPrefixString : LPCSTR
    -Fiddle::TYPE_INT,  # uUnique : DWORD
    Fiddle::TYPE_VOIDP,  # lpTempFileName : LPSTR out
  ],
  -Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern uint GetTempFileNameA([MarshalAs(UnmanagedType.LPStr)] string lpPathName, [MarshalAs(UnmanagedType.LPStr)] string lpPrefixString, uint uUnique, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpTempFileName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetTempFileNameA' -Namespace Win32 -PassThru
# $api::GetTempFileNameA(lpPathName, lpPrefixString, uUnique, lpTempFileName)

#uselib "KERNEL32.dll"
#func global GetTempFileNameA "GetTempFileNameA" sptr, sptr, sptr, sptr
; GetTempFileNameA lpPathName, lpPrefixString, uUnique, varptr(lpTempFileName)   ; 戻り値は stat
; lpPathName : LPCSTR -> "sptr"
; lpPrefixString : LPCSTR -> "sptr"
; uUnique : DWORD -> "sptr"
; lpTempFileName : LPSTR 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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetTempFileNameA = kernel32.NewProc("GetTempFileNameA")
)

// lpPathName (LPCSTR), lpPrefixString (LPCSTR), uUnique (DWORD), lpTempFileName (LPSTR out)
r1, _, err := procGetTempFileNameA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpPathName))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpPrefixString))),
	uintptr(uUnique),
	uintptr(lpTempFileName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetTempFileNameA(
  lpPathName: PAnsiChar;   // LPCSTR
  lpPrefixString: PAnsiChar;   // LPCSTR
  uUnique: DWORD;   // DWORD
  lpTempFileName: PAnsiChar   // LPSTR out
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'GetTempFileNameA';

result := DllCall("KERNEL32\GetTempFileNameA"
    , "AStr", lpPathName   ; LPCSTR
    , "AStr", lpPrefixString   ; LPCSTR
    , "UInt", uUnique   ; DWORD
    , "Ptr", lpTempFileName   ; LPSTR out
    , "UInt")   ; return: DWORD

●GetTempFileNameA(lpPathName, lpPrefixString, uUnique, lpTempFileName) = DLL("KERNEL32.dll", "dword GetTempFileNameA(char*, char*, dword, char*)")
# 呼び出し: GetTempFileNameA(lpPathName, lpPrefixString, uUnique, lpTempFileName)
# lpPathName : LPCSTR -> "char*"
# lpPrefixString : LPCSTR -> "char*"
# uUnique : DWORD -> "dword"
# lpTempFileName : LPSTR out -> "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 "kernel32" fn GetTempFileNameA(
    lpPathName: [*c]const u8, // LPCSTR
    lpPrefixString: [*c]const u8, // LPCSTR
    uUnique: u32, // DWORD
    lpTempFileName: [*c]u8 // LPSTR out
) callconv(std.os.windows.WINAPI) u32;

proc GetTempFileNameA(
    lpPathName: cstring,  # LPCSTR
    lpPrefixString: cstring,  # LPCSTR
    uUnique: uint32,  # DWORD
    lpTempFileName: ptr char  # LPSTR out
): uint32 {.importc: "GetTempFileNameA", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
uint GetTempFileNameA(
    const(char)* lpPathName,   // LPCSTR
    const(char)* lpPrefixString,   // LPCSTR
    uint uUnique,   // DWORD
    char* lpTempFileName   // LPSTR out
);

ccall((:GetTempFileNameA, "KERNEL32.dll"), stdcall, UInt32,
      (Cstring, Cstring, UInt32, Ptr{UInt8}),
      lpPathName, lpPrefixString, uUnique, lpTempFileName)
# lpPathName : LPCSTR -> Cstring
# lpPrefixString : LPCSTR -> Cstring
# uUnique : DWORD -> UInt32
# lpTempFileName : LPSTR out -> Ptr{UInt8}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

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

@[Link("kernel32")]
lib LibKERNEL32
  fun GetTempFileNameA = GetTempFileNameA(
    lpPathName : UInt8*,   # LPCSTR
    lpPrefixString : UInt8*,   # LPCSTR
    uUnique : UInt32,   # DWORD
    lpTempFileName : UInt8*   # LPSTR out
  ) : 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 GetTempFileNameANative = Uint32 Function(Pointer<Utf8>, Pointer<Utf8>, Uint32, Pointer<Utf8>);
typedef GetTempFileNameADart = int Function(Pointer<Utf8>, Pointer<Utf8>, int, Pointer<Utf8>);
final GetTempFileNameA = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<GetTempFileNameANative, GetTempFileNameADart>('GetTempFileNameA');
// lpPathName : LPCSTR -> Pointer<Utf8>
// lpPrefixString : LPCSTR -> Pointer<Utf8>
// uUnique : DWORD -> Uint32
// lpTempFileName : LPSTR out -> Pointer<Utf8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetTempFileNameA(
  lpPathName: PAnsiChar;   // LPCSTR
  lpPrefixString: PAnsiChar;   // LPCSTR
  uUnique: DWORD;   // DWORD
  lpTempFileName: PAnsiChar   // LPSTR out
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'GetTempFileNameA';

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

foreign import stdcall safe "GetTempFileNameA"
  c_GetTempFileNameA :: CString -> CString -> Word32 -> CString -> IO Word32
-- lpPathName : LPCSTR -> CString
-- lpPrefixString : LPCSTR -> CString
-- uUnique : DWORD -> Word32
-- lpTempFileName : LPSTR out -> CString
-- 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 gettempfilenamea =
  foreign "GetTempFileNameA"
    (string @-> string @-> uint32_t @-> string @-> returning uint32_t)
(* lpPathName : LPCSTR -> string *)
(* lpPrefixString : LPCSTR -> string *)
(* uUnique : DWORD -> uint32_t *)
(* lpTempFileName : LPSTR out -> string *)
(* 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 ("GetTempFileNameA" get-temp-file-name-a :convention :stdcall) :uint32
  (lp-path-name :string)   ; LPCSTR
  (lp-prefix-string :string)   ; LPCSTR
  (u-unique :uint32)   ; DWORD
  (lp-temp-file-name :pointer))   ; LPSTR out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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