JetDefragmentA

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

INT JetDefragmentA(
    JET_SESID sesid,
    DWORD dbid,
    CHAR* szTableName,   // optional
    DWORD* pcPasses,   // optional
    DWORD* pcSeconds,   // optional
    DWORD grbit
);

<DllImport("ESENT.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function JetDefragmentA(
    sesid As UIntPtr,   ' JET_SESID
    dbid As UInteger,   ' DWORD
    szTableName As IntPtr,   ' CHAR* optional
    pcPasses As IntPtr,   ' DWORD* optional, in/out
    pcSeconds As IntPtr,   ' DWORD* optional, in/out
    grbit As UInteger   ' DWORD
) As Integer
End Function

' sesid : JET_SESID
' dbid : DWORD
' szTableName : CHAR* optional
' pcPasses : DWORD* optional, in/out
' pcSeconds : DWORD* optional, in/out
' grbit : DWORD
Declare PtrSafe Function JetDefragmentA Lib "esent" ( _
    ByVal sesid As LongPtr, _
    ByVal dbid As Long, _
    ByVal szTableName As LongPtr, _
    ByVal pcPasses As LongPtr, _
    ByVal pcSeconds 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

JetDefragmentA = ctypes.windll.esent.JetDefragmentA
JetDefragmentA.restype = ctypes.c_int
JetDefragmentA.argtypes = [
    ctypes.c_size_t,  # sesid : JET_SESID
    wintypes.DWORD,  # dbid : DWORD
    ctypes.POINTER(ctypes.c_byte),  # szTableName : CHAR* optional
    ctypes.POINTER(wintypes.DWORD),  # pcPasses : DWORD* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # pcSeconds : DWORD* optional, in/out
    wintypes.DWORD,  # grbit : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetDefragmentA = Fiddle::Function.new(
  lib['JetDefragmentA'],
  [
    Fiddle::TYPE_UINTPTR_T,  # sesid : JET_SESID
    -Fiddle::TYPE_INT,  # dbid : DWORD
    Fiddle::TYPE_VOIDP,  # szTableName : CHAR* optional
    Fiddle::TYPE_VOIDP,  # pcPasses : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # pcSeconds : DWORD* optional, in/out
    -Fiddle::TYPE_INT,  # grbit : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "esent")]
extern "system" {
    fn JetDefragmentA(
        sesid: usize,  // JET_SESID
        dbid: u32,  // DWORD
        szTableName: *mut i8,  // CHAR* optional
        pcPasses: *mut u32,  // DWORD* optional, in/out
        pcSeconds: *mut u32,  // DWORD* optional, in/out
        grbit: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Ansi)]
public static extern int JetDefragmentA(UIntPtr sesid, uint dbid, IntPtr szTableName, IntPtr pcPasses, IntPtr pcSeconds, uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetDefragmentA' -Namespace Win32 -PassThru
# $api::JetDefragmentA(sesid, dbid, szTableName, pcPasses, pcSeconds, grbit)

#uselib "ESENT.dll"
#func global JetDefragmentA "JetDefragmentA" sptr, sptr, sptr, sptr, sptr, sptr
; JetDefragmentA sesid, dbid, varptr(szTableName), varptr(pcPasses), varptr(pcSeconds), grbit   ; 戻り値は stat
; sesid : JET_SESID -> "sptr"
; dbid : DWORD -> "sptr"
; szTableName : CHAR* optional -> "sptr"
; pcPasses : DWORD* optional, in/out -> "sptr"
; pcSeconds : DWORD* optional, in/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 JetDefragmentA "JetDefragmentA" sptr, int, var, var, var, int
; res = JetDefragmentA(sesid, dbid, szTableName, pcPasses, pcSeconds, grbit)
; sesid : JET_SESID -> "sptr"
; dbid : DWORD -> "int"
; szTableName : CHAR* optional -> "var"
; pcPasses : DWORD* optional, in/out -> "var"
; pcSeconds : DWORD* optional, in/out -> "var"
; grbit : DWORD -> "int"
; ※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 JetDefragmentA(JET_SESID sesid, DWORD dbid, CHAR* szTableName, DWORD* pcPasses, DWORD* pcSeconds, DWORD grbit)
#uselib "ESENT.dll"
#cfunc global JetDefragmentA "JetDefragmentA" intptr, int, var, var, var, int
; res = JetDefragmentA(sesid, dbid, szTableName, pcPasses, pcSeconds, grbit)
; sesid : JET_SESID -> "intptr"
; dbid : DWORD -> "int"
; szTableName : CHAR* optional -> "var"
; pcPasses : DWORD* optional, in/out -> "var"
; pcSeconds : DWORD* optional, in/out -> "var"
; grbit : DWORD -> "int"
; ※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")
	procJetDefragmentA = esent.NewProc("JetDefragmentA")
)

// sesid (JET_SESID), dbid (DWORD), szTableName (CHAR* optional), pcPasses (DWORD* optional, in/out), pcSeconds (DWORD* optional, in/out), grbit (DWORD)
r1, _, err := procJetDefragmentA.Call(
	uintptr(sesid),
	uintptr(dbid),
	uintptr(szTableName),
	uintptr(pcPasses),
	uintptr(pcSeconds),
	uintptr(grbit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetDefragmentA(
  sesid: NativeUInt;   // JET_SESID
  dbid: DWORD;   // DWORD
  szTableName: Pointer;   // CHAR* optional
  pcPasses: Pointer;   // DWORD* optional, in/out
  pcSeconds: Pointer;   // DWORD* optional, in/out
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetDefragmentA';

result := DllCall("ESENT\JetDefragmentA"
    , "UPtr", sesid   ; JET_SESID
    , "UInt", dbid   ; DWORD
    , "Ptr", szTableName   ; CHAR* optional
    , "Ptr", pcPasses   ; DWORD* optional, in/out
    , "Ptr", pcSeconds   ; DWORD* optional, in/out
    , "UInt", grbit   ; DWORD
    , "Int")   ; return: INT

●JetDefragmentA(sesid, dbid, szTableName, pcPasses, pcSeconds, grbit) = DLL("ESENT.dll", "int JetDefragmentA(int, dword, void*, void*, void*, dword)")
# 呼び出し: JetDefragmentA(sesid, dbid, szTableName, pcPasses, pcSeconds, grbit)
# sesid : JET_SESID -> "int"
# dbid : DWORD -> "dword"
# szTableName : CHAR* optional -> "void*"
# pcPasses : DWORD* optional, in/out -> "void*"
# pcSeconds : DWORD* optional, in/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)。