MsiDatabaseExportA

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

DWORD MsiDatabaseExportA(
    MSIHANDLE hDatabase,
    LPCSTR szTableName,
    LPCSTR szFolderPath,
    LPCSTR szFileName
);

<DllImport("msi.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function MsiDatabaseExportA(
    hDatabase As UInteger,   ' MSIHANDLE
    <MarshalAs(UnmanagedType.LPStr)> szTableName As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> szFolderPath As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> szFileName As String   ' LPCSTR
) As UInteger
End Function

' hDatabase : MSIHANDLE
' szTableName : LPCSTR
' szFolderPath : LPCSTR
' szFileName : LPCSTR
Declare PtrSafe Function MsiDatabaseExportA Lib "msi" ( _
    ByVal hDatabase As Long, _
    ByVal szTableName As String, _
    ByVal szFolderPath As String, _
    ByVal szFileName As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

MsiDatabaseExportA = ctypes.windll.msi.MsiDatabaseExportA
MsiDatabaseExportA.restype = wintypes.DWORD
MsiDatabaseExportA.argtypes = [
    wintypes.DWORD,  # hDatabase : MSIHANDLE
    wintypes.LPCSTR,  # szTableName : LPCSTR
    wintypes.LPCSTR,  # szFolderPath : LPCSTR
    wintypes.LPCSTR,  # szFileName : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiDatabaseExportA = Fiddle::Function.new(
  lib['MsiDatabaseExportA'],
  [
    -Fiddle::TYPE_INT,  # hDatabase : MSIHANDLE
    Fiddle::TYPE_VOIDP,  # szTableName : LPCSTR
    Fiddle::TYPE_VOIDP,  # szFolderPath : LPCSTR
    Fiddle::TYPE_VOIDP,  # szFileName : LPCSTR
  ],
  -Fiddle::TYPE_INT)

#[link(name = "msi")]
extern "system" {
    fn MsiDatabaseExportA(
        hDatabase: u32,  // MSIHANDLE
        szTableName: *const u8,  // LPCSTR
        szFolderPath: *const u8,  // LPCSTR
        szFileName: *const u8  // LPCSTR
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msi.dll", CharSet = CharSet.Ansi)]
public static extern uint MsiDatabaseExportA(uint hDatabase, [MarshalAs(UnmanagedType.LPStr)] string szTableName, [MarshalAs(UnmanagedType.LPStr)] string szFolderPath, [MarshalAs(UnmanagedType.LPStr)] string szFileName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiDatabaseExportA' -Namespace Win32 -PassThru
# $api::MsiDatabaseExportA(hDatabase, szTableName, szFolderPath, szFileName)

#uselib "msi.dll"
#func global MsiDatabaseExportA "MsiDatabaseExportA" sptr, sptr, sptr, sptr
; MsiDatabaseExportA hDatabase, szTableName, szFolderPath, szFileName   ; 戻り値は stat
; hDatabase : MSIHANDLE -> "sptr"
; szTableName : LPCSTR -> "sptr"
; szFolderPath : LPCSTR -> "sptr"
; szFileName : LPCSTR -> "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 "msi.dll"
#cfunc global MsiDatabaseExportA "MsiDatabaseExportA" int, str, str, str
; res = MsiDatabaseExportA(hDatabase, szTableName, szFolderPath, szFileName)
; hDatabase : MSIHANDLE -> "int"
; szTableName : LPCSTR -> "str"
; szFolderPath : LPCSTR -> "str"
; szFileName : LPCSTR -> "str"

; DWORD MsiDatabaseExportA(MSIHANDLE hDatabase, LPCSTR szTableName, LPCSTR szFolderPath, LPCSTR szFileName)
#uselib "msi.dll"
#cfunc global MsiDatabaseExportA "MsiDatabaseExportA" int, str, str, str
; res = MsiDatabaseExportA(hDatabase, szTableName, szFolderPath, szFileName)
; hDatabase : MSIHANDLE -> "int"
; szTableName : LPCSTR -> "str"
; szFolderPath : LPCSTR -> "str"
; szFileName : LPCSTR -> "str"

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

var (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiDatabaseExportA = msi.NewProc("MsiDatabaseExportA")
)

// hDatabase (MSIHANDLE), szTableName (LPCSTR), szFolderPath (LPCSTR), szFileName (LPCSTR)
r1, _, err := procMsiDatabaseExportA.Call(
	uintptr(hDatabase),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szTableName))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szFolderPath))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szFileName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MsiDatabaseExportA(
  hDatabase: DWORD;   // MSIHANDLE
  szTableName: PAnsiChar;   // LPCSTR
  szFolderPath: PAnsiChar;   // LPCSTR
  szFileName: PAnsiChar   // LPCSTR
): DWORD; stdcall;
  external 'msi.dll' name 'MsiDatabaseExportA';

result := DllCall("msi\MsiDatabaseExportA"
    , "UInt", hDatabase   ; MSIHANDLE
    , "AStr", szTableName   ; LPCSTR
    , "AStr", szFolderPath   ; LPCSTR
    , "AStr", szFileName   ; LPCSTR
    , "UInt")   ; return: DWORD

●MsiDatabaseExportA(hDatabase, szTableName, szFolderPath, szFileName) = DLL("msi.dll", "dword MsiDatabaseExportA(dword, char*, char*, char*)")
# 呼び出し: MsiDatabaseExportA(hDatabase, szTableName, szFolderPath, szFileName)
# hDatabase : MSIHANDLE -> "dword"
# szTableName : LPCSTR -> "char*"
# szFolderPath : LPCSTR -> "char*"
# szFileName : LPCSTR -> "char*"
# 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)。