FDICopy

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

BOOL FDICopy(
    void* hfdi,
    LPSTR pszCabinet,
    LPSTR pszCabPath,
    INT flags,
    PFNFDINOTIFY pfnfdin,
    PFNFDIDECRYPT pfnfdid,
    void* pvUser   // optional
);

<DllImport("Cabinet.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function FDICopy(
    hfdi As IntPtr,   ' void*
    <MarshalAs(UnmanagedType.LPStr)> pszCabinet As String,   ' LPSTR
    <MarshalAs(UnmanagedType.LPStr)> pszCabPath As String,   ' LPSTR
    flags As Integer,   ' INT
    pfnfdin As IntPtr,   ' PFNFDINOTIFY
    pfnfdid As IntPtr,   ' PFNFDIDECRYPT
    pvUser As IntPtr   ' void* optional
) As Boolean
End Function

' hfdi : void*
' pszCabinet : LPSTR
' pszCabPath : LPSTR
' flags : INT
' pfnfdin : PFNFDINOTIFY
' pfnfdid : PFNFDIDECRYPT
' pvUser : void* optional
Declare PtrSafe Function FDICopy Lib "cabinet" ( _
    ByVal hfdi As LongPtr, _
    ByVal pszCabinet As String, _
    ByVal pszCabPath As String, _
    ByVal flags As Long, _
    ByVal pfnfdin As LongPtr, _
    ByVal pfnfdid As LongPtr, _
    ByVal pvUser 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

FDICopy = ctypes.cdll.cabinet.FDICopy
FDICopy.restype = wintypes.BOOL
FDICopy.argtypes = [
    ctypes.POINTER(None),  # hfdi : void*
    wintypes.LPCSTR,  # pszCabinet : LPSTR
    wintypes.LPCSTR,  # pszCabPath : LPSTR
    ctypes.c_int,  # flags : INT
    ctypes.c_void_p,  # pfnfdin : PFNFDINOTIFY
    ctypes.c_void_p,  # pfnfdid : PFNFDIDECRYPT
    ctypes.POINTER(None),  # pvUser : void* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('Cabinet.dll')
FDICopy = Fiddle::Function.new(
  lib['FDICopy'],
  [
    Fiddle::TYPE_VOIDP,  # hfdi : void*
    Fiddle::TYPE_VOIDP,  # pszCabinet : LPSTR
    Fiddle::TYPE_VOIDP,  # pszCabPath : LPSTR
    Fiddle::TYPE_INT,  # flags : INT
    Fiddle::TYPE_VOIDP,  # pfnfdin : PFNFDINOTIFY
    Fiddle::TYPE_VOIDP,  # pfnfdid : PFNFDIDECRYPT
    Fiddle::TYPE_VOIDP,  # pvUser : void* optional
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "cabinet")]
extern "C" {
    fn FDICopy(
        hfdi: *mut (),  // void*
        pszCabinet: *mut u8,  // LPSTR
        pszCabPath: *mut u8,  // LPSTR
        flags: i32,  // INT
        pfnfdin: *const core::ffi::c_void,  // PFNFDINOTIFY
        pfnfdid: *const core::ffi::c_void,  // PFNFDIDECRYPT
        pvUser: *mut ()  // void* optional
    ) -> 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 FDICopy(IntPtr hfdi, [MarshalAs(UnmanagedType.LPStr)] string pszCabinet, [MarshalAs(UnmanagedType.LPStr)] string pszCabPath, int flags, IntPtr pfnfdin, IntPtr pfnfdid, IntPtr pvUser);
"@
$api = Add-Type -MemberDefinition $sig -Name 'Cabinet_FDICopy' -Namespace Win32 -PassThru
# $api::FDICopy(hfdi, pszCabinet, pszCabPath, flags, pfnfdin, pfnfdid, pvUser)

#uselib "Cabinet.dll"
#func global FDICopy "FDICopy" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; FDICopy hfdi, pszCabinet, pszCabPath, flags, pfnfdin, pfnfdid, pvUser   ; 戻り値は stat
; hfdi : void* -> "sptr"
; pszCabinet : LPSTR -> "sptr"
; pszCabPath : LPSTR -> "sptr"
; flags : INT -> "sptr"
; pfnfdin : PFNFDINOTIFY -> "sptr"
; pfnfdid : PFNFDIDECRYPT -> "sptr"
; pvUser : void* optional -> "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 FDICopy "FDICopy" sptr, str, str, int, sptr, sptr, sptr
; res = FDICopy(hfdi, pszCabinet, pszCabPath, flags, pfnfdin, pfnfdid, pvUser)
; hfdi : void* -> "sptr"
; pszCabinet : LPSTR -> "str"
; pszCabPath : LPSTR -> "str"
; flags : INT -> "int"
; pfnfdin : PFNFDINOTIFY -> "sptr"
; pfnfdid : PFNFDIDECRYPT -> "sptr"
; pvUser : void* optional -> "sptr"

; BOOL FDICopy(void* hfdi, LPSTR pszCabinet, LPSTR pszCabPath, INT flags, PFNFDINOTIFY pfnfdin, PFNFDIDECRYPT pfnfdid, void* pvUser)
#uselib "Cabinet.dll"
#cfunc global FDICopy "FDICopy" intptr, str, str, int, intptr, intptr, intptr
; res = FDICopy(hfdi, pszCabinet, pszCabPath, flags, pfnfdin, pfnfdid, pvUser)
; hfdi : void* -> "intptr"
; pszCabinet : LPSTR -> "str"
; pszCabPath : LPSTR -> "str"
; flags : INT -> "int"
; pfnfdin : PFNFDINOTIFY -> "intptr"
; pfnfdid : PFNFDIDECRYPT -> "intptr"
; pvUser : void* optional -> "intptr"

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

var (
	cabinet = windows.NewLazySystemDLL("Cabinet.dll")
	procFDICopy = cabinet.NewProc("FDICopy")
)

// hfdi (void*), pszCabinet (LPSTR), pszCabPath (LPSTR), flags (INT), pfnfdin (PFNFDINOTIFY), pfnfdid (PFNFDIDECRYPT), pvUser (void* optional)
r1, _, err := procFDICopy.Call(
	uintptr(hfdi),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszCabinet))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszCabPath))),
	uintptr(flags),
	uintptr(pfnfdin),
	uintptr(pfnfdid),
	uintptr(pvUser),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FDICopy(
  hfdi: Pointer;   // void*
  pszCabinet: PAnsiChar;   // LPSTR
  pszCabPath: PAnsiChar;   // LPSTR
  flags: Integer;   // INT
  pfnfdin: Pointer;   // PFNFDINOTIFY
  pfnfdid: Pointer;   // PFNFDIDECRYPT
  pvUser: Pointer   // void* optional
): BOOL; cdecl;
  external 'Cabinet.dll' name 'FDICopy';

result := DllCall("Cabinet\FDICopy"
    , "Ptr", hfdi   ; void*
    , "AStr", pszCabinet   ; LPSTR
    , "AStr", pszCabPath   ; LPSTR
    , "Int", flags   ; INT
    , "Ptr", pfnfdin   ; PFNFDINOTIFY
    , "Ptr", pfnfdid   ; PFNFDIDECRYPT
    , "Ptr", pvUser   ; void* optional
    , "Cdecl Int")   ; return: BOOL

●FDICopy(hfdi, pszCabinet, pszCabPath, flags, pfnfdin, pfnfdid, pvUser) = DLL("Cabinet.dll", "bool FDICopy(void*, char*, char*, int, void*, void*, void*)")
# 呼び出し: FDICopy(hfdi, pszCabinet, pszCabPath, flags, pfnfdin, pfnfdid, pvUser)
# hfdi : void* -> "void*"
# pszCabinet : LPSTR -> "char*"
# pszCabPath : LPSTR -> "char*"
# flags : INT -> "int"
# pfnfdin : PFNFDINOTIFY -> "void*"
# pfnfdid : PFNFDIDECRYPT -> "void*"
# pvUser : void* optional -> "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。