PssDuplicateSnapshot

// KERNEL32.dll
#include <windows.h>

DWORD PssDuplicateSnapshot(
    HANDLE SourceProcessHandle,
    HPSS SnapshotHandle,
    HANDLE TargetProcessHandle,
    HPSS* TargetSnapshotHandle,
    PSS_DUPLICATE_FLAGS Flags   // optional
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function PssDuplicateSnapshot(
    SourceProcessHandle As IntPtr,   ' HANDLE
    SnapshotHandle As IntPtr,   ' HPSS
    TargetProcessHandle As IntPtr,   ' HANDLE
    TargetSnapshotHandle As IntPtr,   ' HPSS* out
    Flags As Integer   ' PSS_DUPLICATE_FLAGS optional
) As UInteger
End Function

' SourceProcessHandle : HANDLE
' SnapshotHandle : HPSS
' TargetProcessHandle : HANDLE
' TargetSnapshotHandle : HPSS* out
' Flags : PSS_DUPLICATE_FLAGS optional
Declare PtrSafe Function PssDuplicateSnapshot Lib "kernel32" ( _
    ByVal SourceProcessHandle As LongPtr, _
    ByVal SnapshotHandle As LongPtr, _
    ByVal TargetProcessHandle As LongPtr, _
    ByVal TargetSnapshotHandle As LongPtr, _
    ByVal Flags 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

PssDuplicateSnapshot = ctypes.windll.kernel32.PssDuplicateSnapshot
PssDuplicateSnapshot.restype = wintypes.DWORD
PssDuplicateSnapshot.argtypes = [
    wintypes.HANDLE,  # SourceProcessHandle : HANDLE
    wintypes.HANDLE,  # SnapshotHandle : HPSS
    wintypes.HANDLE,  # TargetProcessHandle : HANDLE
    ctypes.c_void_p,  # TargetSnapshotHandle : HPSS* out
    ctypes.c_int,  # Flags : PSS_DUPLICATE_FLAGS optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
PssDuplicateSnapshot = Fiddle::Function.new(
  lib['PssDuplicateSnapshot'],
  [
    Fiddle::TYPE_VOIDP,  # SourceProcessHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # SnapshotHandle : HPSS
    Fiddle::TYPE_VOIDP,  # TargetProcessHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # TargetSnapshotHandle : HPSS* out
    Fiddle::TYPE_INT,  # Flags : PSS_DUPLICATE_FLAGS optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn PssDuplicateSnapshot(
        SourceProcessHandle: *mut core::ffi::c_void,  // HANDLE
        SnapshotHandle: *mut core::ffi::c_void,  // HPSS
        TargetProcessHandle: *mut core::ffi::c_void,  // HANDLE
        TargetSnapshotHandle: *mut *mut core::ffi::c_void,  // HPSS* out
        Flags: i32  // PSS_DUPLICATE_FLAGS optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern uint PssDuplicateSnapshot(IntPtr SourceProcessHandle, IntPtr SnapshotHandle, IntPtr TargetProcessHandle, IntPtr TargetSnapshotHandle, int Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_PssDuplicateSnapshot' -Namespace Win32 -PassThru
# $api::PssDuplicateSnapshot(SourceProcessHandle, SnapshotHandle, TargetProcessHandle, TargetSnapshotHandle, Flags)

#uselib "KERNEL32.dll"
#func global PssDuplicateSnapshot "PssDuplicateSnapshot" sptr, sptr, sptr, sptr, sptr
; PssDuplicateSnapshot SourceProcessHandle, SnapshotHandle, TargetProcessHandle, TargetSnapshotHandle, Flags   ; 戻り値は stat
; SourceProcessHandle : HANDLE -> "sptr"
; SnapshotHandle : HPSS -> "sptr"
; TargetProcessHandle : HANDLE -> "sptr"
; TargetSnapshotHandle : HPSS* out -> "sptr"
; Flags : PSS_DUPLICATE_FLAGS optional -> "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 "KERNEL32.dll"
#cfunc global PssDuplicateSnapshot "PssDuplicateSnapshot" sptr, sptr, sptr, sptr, int
; res = PssDuplicateSnapshot(SourceProcessHandle, SnapshotHandle, TargetProcessHandle, TargetSnapshotHandle, Flags)
; SourceProcessHandle : HANDLE -> "sptr"
; SnapshotHandle : HPSS -> "sptr"
; TargetProcessHandle : HANDLE -> "sptr"
; TargetSnapshotHandle : HPSS* out -> "sptr"
; Flags : PSS_DUPLICATE_FLAGS optional -> "int"

; DWORD PssDuplicateSnapshot(HANDLE SourceProcessHandle, HPSS SnapshotHandle, HANDLE TargetProcessHandle, HPSS* TargetSnapshotHandle, PSS_DUPLICATE_FLAGS Flags)
#uselib "KERNEL32.dll"
#cfunc global PssDuplicateSnapshot "PssDuplicateSnapshot" intptr, intptr, intptr, intptr, int
; res = PssDuplicateSnapshot(SourceProcessHandle, SnapshotHandle, TargetProcessHandle, TargetSnapshotHandle, Flags)
; SourceProcessHandle : HANDLE -> "intptr"
; SnapshotHandle : HPSS -> "intptr"
; TargetProcessHandle : HANDLE -> "intptr"
; TargetSnapshotHandle : HPSS* out -> "intptr"
; Flags : PSS_DUPLICATE_FLAGS optional -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procPssDuplicateSnapshot = kernel32.NewProc("PssDuplicateSnapshot")
)

// SourceProcessHandle (HANDLE), SnapshotHandle (HPSS), TargetProcessHandle (HANDLE), TargetSnapshotHandle (HPSS* out), Flags (PSS_DUPLICATE_FLAGS optional)
r1, _, err := procPssDuplicateSnapshot.Call(
	uintptr(SourceProcessHandle),
	uintptr(SnapshotHandle),
	uintptr(TargetProcessHandle),
	uintptr(TargetSnapshotHandle),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PssDuplicateSnapshot(
  SourceProcessHandle: THandle;   // HANDLE
  SnapshotHandle: THandle;   // HPSS
  TargetProcessHandle: THandle;   // HANDLE
  TargetSnapshotHandle: Pointer;   // HPSS* out
  Flags: Integer   // PSS_DUPLICATE_FLAGS optional
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'PssDuplicateSnapshot';

result := DllCall("KERNEL32\PssDuplicateSnapshot"
    , "Ptr", SourceProcessHandle   ; HANDLE
    , "Ptr", SnapshotHandle   ; HPSS
    , "Ptr", TargetProcessHandle   ; HANDLE
    , "Ptr", TargetSnapshotHandle   ; HPSS* out
    , "Int", Flags   ; PSS_DUPLICATE_FLAGS optional
    , "UInt")   ; return: DWORD

●PssDuplicateSnapshot(SourceProcessHandle, SnapshotHandle, TargetProcessHandle, TargetSnapshotHandle, Flags) = DLL("KERNEL32.dll", "dword PssDuplicateSnapshot(void*, void*, void*, void*, int)")
# 呼び出し: PssDuplicateSnapshot(SourceProcessHandle, SnapshotHandle, TargetProcessHandle, TargetSnapshotHandle, Flags)
# SourceProcessHandle : HANDLE -> "void*"
# SnapshotHandle : HPSS -> "void*"
# TargetProcessHandle : HANDLE -> "void*"
# TargetSnapshotHandle : HPSS* out -> "void*"
# Flags : PSS_DUPLICATE_FLAGS optional -> "int"
# 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)。