JetRestoreInstanceA

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

INT JetRestoreInstanceA(
    JET_INSTANCE instance,
    CHAR* sz,
    CHAR* szDest,   // optional
    JET_PFNSTATUS pfn   // optional
);

<DllImport("ESENT.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function JetRestoreInstanceA(
    instance As UIntPtr,   ' JET_INSTANCE
    sz As IntPtr,   ' CHAR*
    szDest As IntPtr,   ' CHAR* optional
    pfn As IntPtr   ' JET_PFNSTATUS optional
) As Integer
End Function

' instance : JET_INSTANCE
' sz : CHAR*
' szDest : CHAR* optional
' pfn : JET_PFNSTATUS optional
Declare PtrSafe Function JetRestoreInstanceA Lib "esent" ( _
    ByVal instance As LongPtr, _
    ByVal sz As LongPtr, _
    ByVal szDest As LongPtr, _
    ByVal pfn 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

JetRestoreInstanceA = ctypes.windll.esent.JetRestoreInstanceA
JetRestoreInstanceA.restype = ctypes.c_int
JetRestoreInstanceA.argtypes = [
    ctypes.c_size_t,  # instance : JET_INSTANCE
    ctypes.POINTER(ctypes.c_byte),  # sz : CHAR*
    ctypes.POINTER(ctypes.c_byte),  # szDest : CHAR* optional
    ctypes.c_void_p,  # pfn : JET_PFNSTATUS optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetRestoreInstanceA = Fiddle::Function.new(
  lib['JetRestoreInstanceA'],
  [
    Fiddle::TYPE_UINTPTR_T,  # instance : JET_INSTANCE
    Fiddle::TYPE_VOIDP,  # sz : CHAR*
    Fiddle::TYPE_VOIDP,  # szDest : CHAR* optional
    Fiddle::TYPE_VOIDP,  # pfn : JET_PFNSTATUS optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "esent")]
extern "system" {
    fn JetRestoreInstanceA(
        instance: usize,  // JET_INSTANCE
        sz: *mut i8,  // CHAR*
        szDest: *mut i8,  // CHAR* optional
        pfn: *const core::ffi::c_void  // JET_PFNSTATUS optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Ansi)]
public static extern int JetRestoreInstanceA(UIntPtr instance, IntPtr sz, IntPtr szDest, IntPtr pfn);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetRestoreInstanceA' -Namespace Win32 -PassThru
# $api::JetRestoreInstanceA(instance, sz, szDest, pfn)

#uselib "ESENT.dll"
#func global JetRestoreInstanceA "JetRestoreInstanceA" sptr, sptr, sptr, sptr
; JetRestoreInstanceA instance, varptr(sz), varptr(szDest), pfn   ; 戻り値は stat
; instance : JET_INSTANCE -> "sptr"
; sz : CHAR* -> "sptr"
; szDest : CHAR* optional -> "sptr"
; pfn : JET_PFNSTATUS 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 "ESENT.dll"
#cfunc global JetRestoreInstanceA "JetRestoreInstanceA" sptr, var, var, sptr
; res = JetRestoreInstanceA(instance, sz, szDest, pfn)
; instance : JET_INSTANCE -> "sptr"
; sz : CHAR* -> "var"
; szDest : CHAR* optional -> "var"
; pfn : JET_PFNSTATUS optional -> "sptr"
; ※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。

; INT JetRestoreInstanceA(JET_INSTANCE instance, CHAR* sz, CHAR* szDest, JET_PFNSTATUS pfn)
#uselib "ESENT.dll"
#cfunc global JetRestoreInstanceA "JetRestoreInstanceA" intptr, var, var, intptr
; res = JetRestoreInstanceA(instance, sz, szDest, pfn)
; instance : JET_INSTANCE -> "intptr"
; sz : CHAR* -> "var"
; szDest : CHAR* optional -> "var"
; pfn : JET_PFNSTATUS optional -> "intptr"
; ※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 (
	esent = windows.NewLazySystemDLL("ESENT.dll")
	procJetRestoreInstanceA = esent.NewProc("JetRestoreInstanceA")
)

// instance (JET_INSTANCE), sz (CHAR*), szDest (CHAR* optional), pfn (JET_PFNSTATUS optional)
r1, _, err := procJetRestoreInstanceA.Call(
	uintptr(instance),
	uintptr(sz),
	uintptr(szDest),
	uintptr(pfn),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetRestoreInstanceA(
  instance: NativeUInt;   // JET_INSTANCE
  sz: Pointer;   // CHAR*
  szDest: Pointer;   // CHAR* optional
  pfn: Pointer   // JET_PFNSTATUS optional
): Integer; stdcall;
  external 'ESENT.dll' name 'JetRestoreInstanceA';

result := DllCall("ESENT\JetRestoreInstanceA"
    , "UPtr", instance   ; JET_INSTANCE
    , "Ptr", sz   ; CHAR*
    , "Ptr", szDest   ; CHAR* optional
    , "Ptr", pfn   ; JET_PFNSTATUS optional
    , "Int")   ; return: INT

●JetRestoreInstanceA(instance, sz, szDest, pfn) = DLL("ESENT.dll", "int JetRestoreInstanceA(int, void*, void*, void*)")
# 呼び出し: JetRestoreInstanceA(instance, sz, szDest, pfn)
# instance : JET_INSTANCE -> "int"
# sz : CHAR* -> "void*"
# szDest : CHAR* optional -> "void*"
# pfn : JET_PFNSTATUS 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)。