JetCompactA

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

INT JetCompactA(
    JET_SESID sesid,
    CHAR* szDatabaseSrc,
    CHAR* szDatabaseDest,
    JET_PFNSTATUS pfnStatus,
    JET_CONVERT_A* pconvert,   // optional
    DWORD grbit
);

<DllImport("ESENT.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function JetCompactA(
    sesid As UIntPtr,   ' JET_SESID
    szDatabaseSrc As IntPtr,   ' CHAR*
    szDatabaseDest As IntPtr,   ' CHAR*
    pfnStatus As IntPtr,   ' JET_PFNSTATUS
    pconvert As IntPtr,   ' JET_CONVERT_A* optional
    grbit As UInteger   ' DWORD
) As Integer
End Function

' sesid : JET_SESID
' szDatabaseSrc : CHAR*
' szDatabaseDest : CHAR*
' pfnStatus : JET_PFNSTATUS
' pconvert : JET_CONVERT_A* optional
' grbit : DWORD
Declare PtrSafe Function JetCompactA Lib "esent" ( _
    ByVal sesid As LongPtr, _
    ByVal szDatabaseSrc As LongPtr, _
    ByVal szDatabaseDest As LongPtr, _
    ByVal pfnStatus As LongPtr, _
    ByVal pconvert 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

JetCompactA = ctypes.windll.esent.JetCompactA
JetCompactA.restype = ctypes.c_int
JetCompactA.argtypes = [
    ctypes.c_size_t,  # sesid : JET_SESID
    ctypes.POINTER(ctypes.c_byte),  # szDatabaseSrc : CHAR*
    ctypes.POINTER(ctypes.c_byte),  # szDatabaseDest : CHAR*
    ctypes.c_void_p,  # pfnStatus : JET_PFNSTATUS
    ctypes.c_void_p,  # pconvert : JET_CONVERT_A* optional
    wintypes.DWORD,  # grbit : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetCompactA = Fiddle::Function.new(
  lib['JetCompactA'],
  [
    Fiddle::TYPE_UINTPTR_T,  # sesid : JET_SESID
    Fiddle::TYPE_VOIDP,  # szDatabaseSrc : CHAR*
    Fiddle::TYPE_VOIDP,  # szDatabaseDest : CHAR*
    Fiddle::TYPE_VOIDP,  # pfnStatus : JET_PFNSTATUS
    Fiddle::TYPE_VOIDP,  # pconvert : JET_CONVERT_A* optional
    -Fiddle::TYPE_INT,  # grbit : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "esent")]
extern "system" {
    fn JetCompactA(
        sesid: usize,  // JET_SESID
        szDatabaseSrc: *mut i8,  // CHAR*
        szDatabaseDest: *mut i8,  // CHAR*
        pfnStatus: *const core::ffi::c_void,  // JET_PFNSTATUS
        pconvert: *mut JET_CONVERT_A,  // JET_CONVERT_A* optional
        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 JetCompactA(UIntPtr sesid, IntPtr szDatabaseSrc, IntPtr szDatabaseDest, IntPtr pfnStatus, IntPtr pconvert, uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetCompactA' -Namespace Win32 -PassThru
# $api::JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit)

#uselib "ESENT.dll"
#func global JetCompactA "JetCompactA" sptr, sptr, sptr, sptr, sptr, sptr
; JetCompactA sesid, varptr(szDatabaseSrc), varptr(szDatabaseDest), pfnStatus, varptr(pconvert), grbit   ; 戻り値は stat
; sesid : JET_SESID -> "sptr"
; szDatabaseSrc : CHAR* -> "sptr"
; szDatabaseDest : CHAR* -> "sptr"
; pfnStatus : JET_PFNSTATUS -> "sptr"
; pconvert : JET_CONVERT_A* optional -> "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 JetCompactA "JetCompactA" sptr, var, var, sptr, var, int
; res = JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit)
; sesid : JET_SESID -> "sptr"
; szDatabaseSrc : CHAR* -> "var"
; szDatabaseDest : CHAR* -> "var"
; pfnStatus : JET_PFNSTATUS -> "sptr"
; pconvert : JET_CONVERT_A* optional -> "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 JetCompactA(JET_SESID sesid, CHAR* szDatabaseSrc, CHAR* szDatabaseDest, JET_PFNSTATUS pfnStatus, JET_CONVERT_A* pconvert, DWORD grbit)
#uselib "ESENT.dll"
#cfunc global JetCompactA "JetCompactA" intptr, var, var, intptr, var, int
; res = JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit)
; sesid : JET_SESID -> "intptr"
; szDatabaseSrc : CHAR* -> "var"
; szDatabaseDest : CHAR* -> "var"
; pfnStatus : JET_PFNSTATUS -> "intptr"
; pconvert : JET_CONVERT_A* optional -> "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")
	procJetCompactA = esent.NewProc("JetCompactA")
)

// sesid (JET_SESID), szDatabaseSrc (CHAR*), szDatabaseDest (CHAR*), pfnStatus (JET_PFNSTATUS), pconvert (JET_CONVERT_A* optional), grbit (DWORD)
r1, _, err := procJetCompactA.Call(
	uintptr(sesid),
	uintptr(szDatabaseSrc),
	uintptr(szDatabaseDest),
	uintptr(pfnStatus),
	uintptr(pconvert),
	uintptr(grbit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetCompactA(
  sesid: NativeUInt;   // JET_SESID
  szDatabaseSrc: Pointer;   // CHAR*
  szDatabaseDest: Pointer;   // CHAR*
  pfnStatus: Pointer;   // JET_PFNSTATUS
  pconvert: Pointer;   // JET_CONVERT_A* optional
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetCompactA';

result := DllCall("ESENT\JetCompactA"
    , "UPtr", sesid   ; JET_SESID
    , "Ptr", szDatabaseSrc   ; CHAR*
    , "Ptr", szDatabaseDest   ; CHAR*
    , "Ptr", pfnStatus   ; JET_PFNSTATUS
    , "Ptr", pconvert   ; JET_CONVERT_A* optional
    , "UInt", grbit   ; DWORD
    , "Int")   ; return: INT

●JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit) = DLL("ESENT.dll", "int JetCompactA(int, void*, void*, void*, void*, dword)")
# 呼び出し: JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit)
# sesid : JET_SESID -> "int"
# szDatabaseSrc : CHAR* -> "void*"
# szDatabaseDest : CHAR* -> "void*"
# pfnStatus : JET_PFNSTATUS -> "void*"
# pconvert : JET_CONVERT_A* optional -> "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)。