SetFileAttributesA

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

BOOL SetFileAttributesA(
    LPCSTR lpFileName,
    FILE_FLAGS_AND_ATTRIBUTES dwFileAttributes
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetFileAttributesA(
    <MarshalAs(UnmanagedType.LPStr)> lpFileName As String,   ' LPCSTR
    dwFileAttributes As UInteger   ' FILE_FLAGS_AND_ATTRIBUTES
) As Boolean
End Function

' lpFileName : LPCSTR
' dwFileAttributes : FILE_FLAGS_AND_ATTRIBUTES
Declare PtrSafe Function SetFileAttributesA Lib "kernel32" ( _
    ByVal lpFileName As String, _
    ByVal dwFileAttributes 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

SetFileAttributesA = ctypes.windll.kernel32.SetFileAttributesA
SetFileAttributesA.restype = wintypes.BOOL
SetFileAttributesA.argtypes = [
    wintypes.LPCSTR,  # lpFileName : LPCSTR
    wintypes.DWORD,  # dwFileAttributes : FILE_FLAGS_AND_ATTRIBUTES
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetFileAttributesA = Fiddle::Function.new(
  lib['SetFileAttributesA'],
  [
    Fiddle::TYPE_VOIDP,  # lpFileName : LPCSTR
    -Fiddle::TYPE_INT,  # dwFileAttributes : FILE_FLAGS_AND_ATTRIBUTES
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn SetFileAttributesA(
        lpFileName: *const u8,  // LPCSTR
        dwFileAttributes: u32  // FILE_FLAGS_AND_ATTRIBUTES
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool SetFileAttributesA([MarshalAs(UnmanagedType.LPStr)] string lpFileName, uint dwFileAttributes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetFileAttributesA' -Namespace Win32 -PassThru
# $api::SetFileAttributesA(lpFileName, dwFileAttributes)

#uselib "KERNEL32.dll"
#func global SetFileAttributesA "SetFileAttributesA" sptr, sptr
; SetFileAttributesA lpFileName, dwFileAttributes   ; 戻り値は stat
; lpFileName : LPCSTR -> "sptr"
; dwFileAttributes : FILE_FLAGS_AND_ATTRIBUTES -> "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。

#uselib "KERNEL32.dll"
#cfunc global SetFileAttributesA "SetFileAttributesA" str, int
; res = SetFileAttributesA(lpFileName, dwFileAttributes)
; lpFileName : LPCSTR -> "str"
; dwFileAttributes : FILE_FLAGS_AND_ATTRIBUTES -> "int"

; BOOL SetFileAttributesA(LPCSTR lpFileName, FILE_FLAGS_AND_ATTRIBUTES dwFileAttributes)
#uselib "KERNEL32.dll"
#cfunc global SetFileAttributesA "SetFileAttributesA" str, int
; res = SetFileAttributesA(lpFileName, dwFileAttributes)
; lpFileName : LPCSTR -> "str"
; dwFileAttributes : FILE_FLAGS_AND_ATTRIBUTES -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetFileAttributesA = kernel32.NewProc("SetFileAttributesA")
)

// lpFileName (LPCSTR), dwFileAttributes (FILE_FLAGS_AND_ATTRIBUTES)
r1, _, err := procSetFileAttributesA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpFileName))),
	uintptr(dwFileAttributes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetFileAttributesA(
  lpFileName: PAnsiChar;   // LPCSTR
  dwFileAttributes: DWORD   // FILE_FLAGS_AND_ATTRIBUTES
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetFileAttributesA';

result := DllCall("KERNEL32\SetFileAttributesA"
    , "AStr", lpFileName   ; LPCSTR
    , "UInt", dwFileAttributes   ; FILE_FLAGS_AND_ATTRIBUTES
    , "Int")   ; return: BOOL

●SetFileAttributesA(lpFileName, dwFileAttributes) = DLL("KERNEL32.dll", "bool SetFileAttributesA(char*, dword)")
# 呼び出し: SetFileAttributesA(lpFileName, dwFileAttributes)
# lpFileName : LPCSTR -> "char*"
# dwFileAttributes : FILE_FLAGS_AND_ATTRIBUTES -> "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)。