FDIIsCabinet

// Cabinet.dll
#include <windows.h>

BOOL FDIIsCabinet(
    void* hfdi,
    INT_PTR hf,
    FDICABINETINFO* pfdici   // optional
);

<DllImport("Cabinet.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function FDIIsCabinet(
    hfdi As IntPtr,   ' void*
    hf As IntPtr,   ' INT_PTR
    pfdici As IntPtr   ' FDICABINETINFO* optional, out
) As Boolean
End Function

' hfdi : void*
' hf : INT_PTR
' pfdici : FDICABINETINFO* optional, out
Declare PtrSafe Function FDIIsCabinet Lib "cabinet" ( _
    ByVal hfdi As LongPtr, _
    ByVal hf As LongPtr, _
    ByVal pfdici 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

FDIIsCabinet = ctypes.cdll.cabinet.FDIIsCabinet
FDIIsCabinet.restype = wintypes.BOOL
FDIIsCabinet.argtypes = [
    ctypes.POINTER(None),  # hfdi : void*
    ctypes.c_ssize_t,  # hf : INT_PTR
    ctypes.c_void_p,  # pfdici : FDICABINETINFO* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('Cabinet.dll')
FDIIsCabinet = Fiddle::Function.new(
  lib['FDIIsCabinet'],
  [
    Fiddle::TYPE_VOIDP,  # hfdi : void*
    Fiddle::TYPE_INTPTR_T,  # hf : INT_PTR
    Fiddle::TYPE_VOIDP,  # pfdici : FDICABINETINFO* optional, out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "cabinet")]
extern "C" {
    fn FDIIsCabinet(
        hfdi: *mut (),  // void*
        hf: isize,  // INT_PTR
        pfdici: *mut FDICABINETINFO  // FDICABINETINFO* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("Cabinet.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern bool FDIIsCabinet(IntPtr hfdi, IntPtr hf, IntPtr pfdici);
"@
$api = Add-Type -MemberDefinition $sig -Name 'Cabinet_FDIIsCabinet' -Namespace Win32 -PassThru
# $api::FDIIsCabinet(hfdi, hf, pfdici)

#uselib "Cabinet.dll"
#func global FDIIsCabinet "FDIIsCabinet" sptr, sptr, sptr
; FDIIsCabinet hfdi, hf, varptr(pfdici)   ; 戻り値は stat
; hfdi : void* -> "sptr"
; hf : INT_PTR -> "sptr"
; pfdici : FDICABINETINFO* optional, 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 "Cabinet.dll"
#cfunc global FDIIsCabinet "FDIIsCabinet" sptr, sptr, var
; res = FDIIsCabinet(hfdi, hf, pfdici)
; hfdi : void* -> "sptr"
; hf : INT_PTR -> "sptr"
; pfdici : FDICABINETINFO* optional, 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 FDIIsCabinet(void* hfdi, INT_PTR hf, FDICABINETINFO* pfdici)
#uselib "Cabinet.dll"
#cfunc global FDIIsCabinet "FDIIsCabinet" intptr, intptr, var
; res = FDIIsCabinet(hfdi, hf, pfdici)
; hfdi : void* -> "intptr"
; hf : INT_PTR -> "intptr"
; pfdici : FDICABINETINFO* optional, 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 (
	cabinet = windows.NewLazySystemDLL("Cabinet.dll")
	procFDIIsCabinet = cabinet.NewProc("FDIIsCabinet")
)

// hfdi (void*), hf (INT_PTR), pfdici (FDICABINETINFO* optional, out)
r1, _, err := procFDIIsCabinet.Call(
	uintptr(hfdi),
	uintptr(hf),
	uintptr(pfdici),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FDIIsCabinet(
  hfdi: Pointer;   // void*
  hf: NativeInt;   // INT_PTR
  pfdici: Pointer   // FDICABINETINFO* optional, out
): BOOL; cdecl;
  external 'Cabinet.dll' name 'FDIIsCabinet';

result := DllCall("Cabinet\FDIIsCabinet"
    , "Ptr", hfdi   ; void*
    , "Ptr", hf   ; INT_PTR
    , "Ptr", pfdici   ; FDICABINETINFO* optional, out
    , "Cdecl Int")   ; return: BOOL

●FDIIsCabinet(hfdi, hf, pfdici) = DLL("Cabinet.dll", "bool FDIIsCabinet(void*, int, void*)")
# 呼び出し: FDIIsCabinet(hfdi, hf, pfdici)
# hfdi : void* -> "void*"
# hf : INT_PTR -> "int"
# pfdici : FDICABINETINFO* optional, 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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。