RegSaveRestoreA

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

HRESULT RegSaveRestoreA(
    HWND hWnd,
    LPCSTR pszTitleString,
    HKEY hkBckupKey,
    LPCSTR pcszRootKey,
    LPCSTR pcszSubKey,
    LPCSTR pcszValueName,
    DWORD dwFlags
);

<DllImport("ADVPACK.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function RegSaveRestoreA(
    hWnd As IntPtr,   ' HWND
    <MarshalAs(UnmanagedType.LPStr)> pszTitleString As String,   ' LPCSTR
    hkBckupKey As IntPtr,   ' HKEY
    <MarshalAs(UnmanagedType.LPStr)> pcszRootKey As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> pcszSubKey As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> pcszValueName As String,   ' LPCSTR
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' hWnd : HWND
' pszTitleString : LPCSTR
' hkBckupKey : HKEY
' pcszRootKey : LPCSTR
' pcszSubKey : LPCSTR
' pcszValueName : LPCSTR
' dwFlags : DWORD
Declare PtrSafe Function RegSaveRestoreA Lib "advpack" ( _
    ByVal hWnd As LongPtr, _
    ByVal pszTitleString As String, _
    ByVal hkBckupKey As LongPtr, _
    ByVal pcszRootKey As String, _
    ByVal pcszSubKey As String, _
    ByVal pcszValueName As String, _
    ByVal dwFlags 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

RegSaveRestoreA = ctypes.windll.advpack.RegSaveRestoreA
RegSaveRestoreA.restype = ctypes.c_int
RegSaveRestoreA.argtypes = [
    wintypes.HANDLE,  # hWnd : HWND
    wintypes.LPCSTR,  # pszTitleString : LPCSTR
    wintypes.HANDLE,  # hkBckupKey : HKEY
    wintypes.LPCSTR,  # pcszRootKey : LPCSTR
    wintypes.LPCSTR,  # pcszSubKey : LPCSTR
    wintypes.LPCSTR,  # pcszValueName : LPCSTR
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVPACK.dll')
RegSaveRestoreA = Fiddle::Function.new(
  lib['RegSaveRestoreA'],
  [
    Fiddle::TYPE_VOIDP,  # hWnd : HWND
    Fiddle::TYPE_VOIDP,  # pszTitleString : LPCSTR
    Fiddle::TYPE_VOIDP,  # hkBckupKey : HKEY
    Fiddle::TYPE_VOIDP,  # pcszRootKey : LPCSTR
    Fiddle::TYPE_VOIDP,  # pcszSubKey : LPCSTR
    Fiddle::TYPE_VOIDP,  # pcszValueName : LPCSTR
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "advpack")]
extern "system" {
    fn RegSaveRestoreA(
        hWnd: *mut core::ffi::c_void,  // HWND
        pszTitleString: *const u8,  // LPCSTR
        hkBckupKey: *mut core::ffi::c_void,  // HKEY
        pcszRootKey: *const u8,  // LPCSTR
        pcszSubKey: *const u8,  // LPCSTR
        pcszValueName: *const u8,  // LPCSTR
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVPACK.dll", CharSet = CharSet.Ansi)]
public static extern int RegSaveRestoreA(IntPtr hWnd, [MarshalAs(UnmanagedType.LPStr)] string pszTitleString, IntPtr hkBckupKey, [MarshalAs(UnmanagedType.LPStr)] string pcszRootKey, [MarshalAs(UnmanagedType.LPStr)] string pcszSubKey, [MarshalAs(UnmanagedType.LPStr)] string pcszValueName, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVPACK_RegSaveRestoreA' -Namespace Win32 -PassThru
# $api::RegSaveRestoreA(hWnd, pszTitleString, hkBckupKey, pcszRootKey, pcszSubKey, pcszValueName, dwFlags)

#uselib "ADVPACK.dll"
#func global RegSaveRestoreA "RegSaveRestoreA" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; RegSaveRestoreA hWnd, pszTitleString, hkBckupKey, pcszRootKey, pcszSubKey, pcszValueName, dwFlags   ; 戻り値は stat
; hWnd : HWND -> "sptr"
; pszTitleString : LPCSTR -> "sptr"
; hkBckupKey : HKEY -> "sptr"
; pcszRootKey : LPCSTR -> "sptr"
; pcszSubKey : LPCSTR -> "sptr"
; pcszValueName : LPCSTR -> "sptr"
; dwFlags : 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 "ADVPACK.dll"
#cfunc global RegSaveRestoreA "RegSaveRestoreA" sptr, str, sptr, str, str, str, int
; res = RegSaveRestoreA(hWnd, pszTitleString, hkBckupKey, pcszRootKey, pcszSubKey, pcszValueName, dwFlags)
; hWnd : HWND -> "sptr"
; pszTitleString : LPCSTR -> "str"
; hkBckupKey : HKEY -> "sptr"
; pcszRootKey : LPCSTR -> "str"
; pcszSubKey : LPCSTR -> "str"
; pcszValueName : LPCSTR -> "str"
; dwFlags : DWORD -> "int"

; HRESULT RegSaveRestoreA(HWND hWnd, LPCSTR pszTitleString, HKEY hkBckupKey, LPCSTR pcszRootKey, LPCSTR pcszSubKey, LPCSTR pcszValueName, DWORD dwFlags)
#uselib "ADVPACK.dll"
#cfunc global RegSaveRestoreA "RegSaveRestoreA" intptr, str, intptr, str, str, str, int
; res = RegSaveRestoreA(hWnd, pszTitleString, hkBckupKey, pcszRootKey, pcszSubKey, pcszValueName, dwFlags)
; hWnd : HWND -> "intptr"
; pszTitleString : LPCSTR -> "str"
; hkBckupKey : HKEY -> "intptr"
; pcszRootKey : LPCSTR -> "str"
; pcszSubKey : LPCSTR -> "str"
; pcszValueName : LPCSTR -> "str"
; dwFlags : DWORD -> "int"

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

var (
	advpack = windows.NewLazySystemDLL("ADVPACK.dll")
	procRegSaveRestoreA = advpack.NewProc("RegSaveRestoreA")
)

// hWnd (HWND), pszTitleString (LPCSTR), hkBckupKey (HKEY), pcszRootKey (LPCSTR), pcszSubKey (LPCSTR), pcszValueName (LPCSTR), dwFlags (DWORD)
r1, _, err := procRegSaveRestoreA.Call(
	uintptr(hWnd),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszTitleString))),
	uintptr(hkBckupKey),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pcszRootKey))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pcszSubKey))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pcszValueName))),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function RegSaveRestoreA(
  hWnd: THandle;   // HWND
  pszTitleString: PAnsiChar;   // LPCSTR
  hkBckupKey: THandle;   // HKEY
  pcszRootKey: PAnsiChar;   // LPCSTR
  pcszSubKey: PAnsiChar;   // LPCSTR
  pcszValueName: PAnsiChar;   // LPCSTR
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ADVPACK.dll' name 'RegSaveRestoreA';

result := DllCall("ADVPACK\RegSaveRestoreA"
    , "Ptr", hWnd   ; HWND
    , "AStr", pszTitleString   ; LPCSTR
    , "Ptr", hkBckupKey   ; HKEY
    , "AStr", pcszRootKey   ; LPCSTR
    , "AStr", pcszSubKey   ; LPCSTR
    , "AStr", pcszValueName   ; LPCSTR
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: HRESULT

●RegSaveRestoreA(hWnd, pszTitleString, hkBckupKey, pcszRootKey, pcszSubKey, pcszValueName, dwFlags) = DLL("ADVPACK.dll", "int RegSaveRestoreA(void*, char*, void*, char*, char*, char*, dword)")
# 呼び出し: RegSaveRestoreA(hWnd, pszTitleString, hkBckupKey, pcszRootKey, pcszSubKey, pcszValueName, dwFlags)
# hWnd : HWND -> "void*"
# pszTitleString : LPCSTR -> "char*"
# hkBckupKey : HKEY -> "void*"
# pcszRootKey : LPCSTR -> "char*"
# pcszSubKey : LPCSTR -> "char*"
# pcszValueName : LPCSTR -> "char*"
# dwFlags : 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)。