JetOSSnapshotPrepare

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

INT JetOSSnapshotPrepare(
    JET_OSSNAPID* psnapId,
    DWORD grbit
);

<DllImport("ESENT.dll", ExactSpelling:=True)>
Public Shared Function JetOSSnapshotPrepare(
    <Out> ByRef psnapId As UIntPtr,   ' JET_OSSNAPID* out
    grbit As UInteger   ' DWORD
) As Integer
End Function

' psnapId : JET_OSSNAPID* out
' grbit : DWORD
Declare PtrSafe Function JetOSSnapshotPrepare Lib "esent" ( _
    ByRef psnapId 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

JetOSSnapshotPrepare = ctypes.windll.esent.JetOSSnapshotPrepare
JetOSSnapshotPrepare.restype = ctypes.c_int
JetOSSnapshotPrepare.argtypes = [
    ctypes.c_void_p,  # psnapId : JET_OSSNAPID* out
    wintypes.DWORD,  # grbit : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetOSSnapshotPrepare = Fiddle::Function.new(
  lib['JetOSSnapshotPrepare'],
  [
    Fiddle::TYPE_VOIDP,  # psnapId : JET_OSSNAPID* out
    -Fiddle::TYPE_INT,  # grbit : DWORD
  ],
  Fiddle::TYPE_INT)

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

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

#uselib "ESENT.dll"
#func global JetOSSnapshotPrepare "JetOSSnapshotPrepare" sptr, sptr
; JetOSSnapshotPrepare psnapId, grbit   ; 戻り値は stat
; psnapId : JET_OSSNAPID* out -> "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 JetOSSnapshotPrepare "JetOSSnapshotPrepare" int, int
; res = JetOSSnapshotPrepare(psnapId, grbit)
; psnapId : JET_OSSNAPID* out -> "int"
; grbit : DWORD -> "int"

; INT JetOSSnapshotPrepare(JET_OSSNAPID* psnapId, DWORD grbit)
#uselib "ESENT.dll"
#cfunc global JetOSSnapshotPrepare "JetOSSnapshotPrepare" int, int
; res = JetOSSnapshotPrepare(psnapId, grbit)
; psnapId : JET_OSSNAPID* out -> "int"
; grbit : DWORD -> "int"

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

var (
	esent = windows.NewLazySystemDLL("ESENT.dll")
	procJetOSSnapshotPrepare = esent.NewProc("JetOSSnapshotPrepare")
)

// psnapId (JET_OSSNAPID* out), grbit (DWORD)
r1, _, err := procJetOSSnapshotPrepare.Call(
	uintptr(psnapId),
	uintptr(grbit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetOSSnapshotPrepare(
  psnapId: Pointer;   // JET_OSSNAPID* out
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetOSSnapshotPrepare';

result := DllCall("ESENT\JetOSSnapshotPrepare"
    , "Ptr", psnapId   ; JET_OSSNAPID* out
    , "UInt", grbit   ; DWORD
    , "Int")   ; return: INT

●JetOSSnapshotPrepare(psnapId, grbit) = DLL("ESENT.dll", "int JetOSSnapshotPrepare(void*, dword)")
# 呼び出し: JetOSSnapshotPrepare(psnapId, grbit)
# psnapId : JET_OSSNAPID* out -> "void*"
# 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)。