JetOSSnapshotPrepareInstance

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

INT JetOSSnapshotPrepareInstance(
    JET_OSSNAPID snapId,
    JET_INSTANCE instance,
    DWORD grbit
);

<DllImport("ESENT.dll", ExactSpelling:=True)>
Public Shared Function JetOSSnapshotPrepareInstance(
    snapId As UIntPtr,   ' JET_OSSNAPID
    instance As UIntPtr,   ' JET_INSTANCE
    grbit As UInteger   ' DWORD
) As Integer
End Function

' snapId : JET_OSSNAPID
' instance : JET_INSTANCE
' grbit : DWORD
Declare PtrSafe Function JetOSSnapshotPrepareInstance Lib "esent" ( _
    ByVal snapId As LongPtr, _
    ByVal instance As LongPtr, _
    ByVal grbit 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

JetOSSnapshotPrepareInstance = ctypes.windll.esent.JetOSSnapshotPrepareInstance
JetOSSnapshotPrepareInstance.restype = ctypes.c_int
JetOSSnapshotPrepareInstance.argtypes = [
    ctypes.c_size_t,  # snapId : JET_OSSNAPID
    ctypes.c_size_t,  # instance : JET_INSTANCE
    wintypes.DWORD,  # grbit : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetOSSnapshotPrepareInstance = Fiddle::Function.new(
  lib['JetOSSnapshotPrepareInstance'],
  [
    Fiddle::TYPE_UINTPTR_T,  # snapId : JET_OSSNAPID
    Fiddle::TYPE_UINTPTR_T,  # instance : JET_INSTANCE
    -Fiddle::TYPE_INT,  # grbit : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "esent")]
extern "system" {
    fn JetOSSnapshotPrepareInstance(
        snapId: usize,  // JET_OSSNAPID
        instance: usize,  // JET_INSTANCE
        grbit: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll")]
public static extern int JetOSSnapshotPrepareInstance(UIntPtr snapId, UIntPtr instance, uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetOSSnapshotPrepareInstance' -Namespace Win32 -PassThru
# $api::JetOSSnapshotPrepareInstance(snapId, instance, grbit)

#uselib "ESENT.dll"
#func global JetOSSnapshotPrepareInstance "JetOSSnapshotPrepareInstance" sptr, sptr, sptr
; JetOSSnapshotPrepareInstance snapId, instance, grbit   ; 戻り値は stat
; snapId : JET_OSSNAPID -> "sptr"
; instance : JET_INSTANCE -> "sptr"
; grbit : DWORD -> "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 JetOSSnapshotPrepareInstance "JetOSSnapshotPrepareInstance" sptr, sptr, int
; res = JetOSSnapshotPrepareInstance(snapId, instance, grbit)
; snapId : JET_OSSNAPID -> "sptr"
; instance : JET_INSTANCE -> "sptr"
; grbit : DWORD -> "int"

; INT JetOSSnapshotPrepareInstance(JET_OSSNAPID snapId, JET_INSTANCE instance, DWORD grbit)
#uselib "ESENT.dll"
#cfunc global JetOSSnapshotPrepareInstance "JetOSSnapshotPrepareInstance" intptr, intptr, int
; res = JetOSSnapshotPrepareInstance(snapId, instance, grbit)
; snapId : JET_OSSNAPID -> "intptr"
; instance : JET_INSTANCE -> "intptr"
; grbit : DWORD -> "int"

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

var (
	esent = windows.NewLazySystemDLL("ESENT.dll")
	procJetOSSnapshotPrepareInstance = esent.NewProc("JetOSSnapshotPrepareInstance")
)

// snapId (JET_OSSNAPID), instance (JET_INSTANCE), grbit (DWORD)
r1, _, err := procJetOSSnapshotPrepareInstance.Call(
	uintptr(snapId),
	uintptr(instance),
	uintptr(grbit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetOSSnapshotPrepareInstance(
  snapId: NativeUInt;   // JET_OSSNAPID
  instance: NativeUInt;   // JET_INSTANCE
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetOSSnapshotPrepareInstance';

result := DllCall("ESENT\JetOSSnapshotPrepareInstance"
    , "UPtr", snapId   ; JET_OSSNAPID
    , "UPtr", instance   ; JET_INSTANCE
    , "UInt", grbit   ; DWORD
    , "Int")   ; return: INT

●JetOSSnapshotPrepareInstance(snapId, instance, grbit) = DLL("ESENT.dll", "int JetOSSnapshotPrepareInstance(int, int, dword)")
# 呼び出し: JetOSSnapshotPrepareInstance(snapId, instance, grbit)
# snapId : JET_OSSNAPID -> "int"
# instance : JET_INSTANCE -> "int"
# grbit : DWORD -> "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)。