FileEncryptionStatusA

// ADVAPI32.dll  (ANSI / -A)
#include <windows.h>

BOOL FileEncryptionStatusA(
    LPCSTR lpFileName,
    DWORD* lpStatus
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FileEncryptionStatusA(
    <MarshalAs(UnmanagedType.LPStr)> lpFileName As String,   ' LPCSTR
    <Out> ByRef lpStatus As UInteger   ' DWORD* out
) As Boolean
End Function

' lpFileName : LPCSTR
' lpStatus : DWORD* out
Declare PtrSafe Function FileEncryptionStatusA Lib "advapi32" ( _
    ByVal lpFileName As String, _
    ByRef lpStatus 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

FileEncryptionStatusA = ctypes.windll.advapi32.FileEncryptionStatusA
FileEncryptionStatusA.restype = wintypes.BOOL
FileEncryptionStatusA.argtypes = [
    wintypes.LPCSTR,  # lpFileName : LPCSTR
    ctypes.POINTER(wintypes.DWORD),  # lpStatus : DWORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
FileEncryptionStatusA = Fiddle::Function.new(
  lib['FileEncryptionStatusA'],
  [
    Fiddle::TYPE_VOIDP,  # lpFileName : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpStatus : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn FileEncryptionStatusA(
        lpFileName: *const u8,  // LPCSTR
        lpStatus: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool FileEncryptionStatusA([MarshalAs(UnmanagedType.LPStr)] string lpFileName, out uint lpStatus);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_FileEncryptionStatusA' -Namespace Win32 -PassThru
# $api::FileEncryptionStatusA(lpFileName, lpStatus)

#uselib "ADVAPI32.dll"
#func global FileEncryptionStatusA "FileEncryptionStatusA" sptr, sptr
; FileEncryptionStatusA lpFileName, varptr(lpStatus)   ; 戻り値は stat
; lpFileName : LPCSTR -> "sptr"
; lpStatus : DWORD* 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。

#uselib "ADVAPI32.dll"
#cfunc global FileEncryptionStatusA "FileEncryptionStatusA" str, var
; res = FileEncryptionStatusA(lpFileName, lpStatus)
; lpFileName : LPCSTR -> "str"
; lpStatus : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; BOOL FileEncryptionStatusA(LPCSTR lpFileName, DWORD* lpStatus)
#uselib "ADVAPI32.dll"
#cfunc global FileEncryptionStatusA "FileEncryptionStatusA" str, var
; res = FileEncryptionStatusA(lpFileName, lpStatus)
; lpFileName : LPCSTR -> "str"
; lpStatus : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procFileEncryptionStatusA = advapi32.NewProc("FileEncryptionStatusA")
)

// lpFileName (LPCSTR), lpStatus (DWORD* out)
r1, _, err := procFileEncryptionStatusA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpFileName))),
	uintptr(lpStatus),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FileEncryptionStatusA(
  lpFileName: PAnsiChar;   // LPCSTR
  lpStatus: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'FileEncryptionStatusA';

result := DllCall("ADVAPI32\FileEncryptionStatusA"
    , "AStr", lpFileName   ; LPCSTR
    , "Ptr", lpStatus   ; DWORD* out
    , "Int")   ; return: BOOL

●FileEncryptionStatusA(lpFileName, lpStatus) = DLL("ADVAPI32.dll", "bool FileEncryptionStatusA(char*, void*)")
# 呼び出し: FileEncryptionStatusA(lpFileName, lpStatus)
# lpFileName : LPCSTR -> "char*"
# lpStatus : DWORD* out -> "void*"
# 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)。