PssWalkSnapshot

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

DWORD PssWalkSnapshot(
    HPSS SnapshotHandle,
    PSS_WALK_INFORMATION_CLASS InformationClass,
    HPSSWALK WalkMarkerHandle,
    void* Buffer,   // optional
    DWORD BufferLength
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function PssWalkSnapshot(
    SnapshotHandle As IntPtr,   ' HPSS
    InformationClass As Integer,   ' PSS_WALK_INFORMATION_CLASS
    WalkMarkerHandle As IntPtr,   ' HPSSWALK
    Buffer As IntPtr,   ' void* optional, out
    BufferLength As UInteger   ' DWORD
) As UInteger
End Function

' SnapshotHandle : HPSS
' InformationClass : PSS_WALK_INFORMATION_CLASS
' WalkMarkerHandle : HPSSWALK
' Buffer : void* optional, out
' BufferLength : DWORD
Declare PtrSafe Function PssWalkSnapshot Lib "kernel32" ( _
    ByVal SnapshotHandle As LongPtr, _
    ByVal InformationClass As Long, _
    ByVal WalkMarkerHandle As LongPtr, _
    ByVal Buffer As LongPtr, _
    ByVal BufferLength 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

PssWalkSnapshot = ctypes.windll.kernel32.PssWalkSnapshot
PssWalkSnapshot.restype = wintypes.DWORD
PssWalkSnapshot.argtypes = [
    wintypes.HANDLE,  # SnapshotHandle : HPSS
    ctypes.c_int,  # InformationClass : PSS_WALK_INFORMATION_CLASS
    wintypes.HANDLE,  # WalkMarkerHandle : HPSSWALK
    ctypes.POINTER(None),  # Buffer : void* optional, out
    wintypes.DWORD,  # BufferLength : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
PssWalkSnapshot = Fiddle::Function.new(
  lib['PssWalkSnapshot'],
  [
    Fiddle::TYPE_VOIDP,  # SnapshotHandle : HPSS
    Fiddle::TYPE_INT,  # InformationClass : PSS_WALK_INFORMATION_CLASS
    Fiddle::TYPE_VOIDP,  # WalkMarkerHandle : HPSSWALK
    Fiddle::TYPE_VOIDP,  # Buffer : void* optional, out
    -Fiddle::TYPE_INT,  # BufferLength : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn PssWalkSnapshot(
        SnapshotHandle: *mut core::ffi::c_void,  // HPSS
        InformationClass: i32,  // PSS_WALK_INFORMATION_CLASS
        WalkMarkerHandle: *mut core::ffi::c_void,  // HPSSWALK
        Buffer: *mut (),  // void* optional, out
        BufferLength: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern uint PssWalkSnapshot(IntPtr SnapshotHandle, int InformationClass, IntPtr WalkMarkerHandle, IntPtr Buffer, uint BufferLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_PssWalkSnapshot' -Namespace Win32 -PassThru
# $api::PssWalkSnapshot(SnapshotHandle, InformationClass, WalkMarkerHandle, Buffer, BufferLength)

#uselib "KERNEL32.dll"
#func global PssWalkSnapshot "PssWalkSnapshot" sptr, sptr, sptr, sptr, sptr
; PssWalkSnapshot SnapshotHandle, InformationClass, WalkMarkerHandle, Buffer, BufferLength   ; 戻り値は stat
; SnapshotHandle : HPSS -> "sptr"
; InformationClass : PSS_WALK_INFORMATION_CLASS -> "sptr"
; WalkMarkerHandle : HPSSWALK -> "sptr"
; Buffer : void* optional, out -> "sptr"
; BufferLength : 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 "KERNEL32.dll"
#cfunc global PssWalkSnapshot "PssWalkSnapshot" sptr, int, sptr, sptr, int
; res = PssWalkSnapshot(SnapshotHandle, InformationClass, WalkMarkerHandle, Buffer, BufferLength)
; SnapshotHandle : HPSS -> "sptr"
; InformationClass : PSS_WALK_INFORMATION_CLASS -> "int"
; WalkMarkerHandle : HPSSWALK -> "sptr"
; Buffer : void* optional, out -> "sptr"
; BufferLength : DWORD -> "int"

; DWORD PssWalkSnapshot(HPSS SnapshotHandle, PSS_WALK_INFORMATION_CLASS InformationClass, HPSSWALK WalkMarkerHandle, void* Buffer, DWORD BufferLength)
#uselib "KERNEL32.dll"
#cfunc global PssWalkSnapshot "PssWalkSnapshot" intptr, int, intptr, intptr, int
; res = PssWalkSnapshot(SnapshotHandle, InformationClass, WalkMarkerHandle, Buffer, BufferLength)
; SnapshotHandle : HPSS -> "intptr"
; InformationClass : PSS_WALK_INFORMATION_CLASS -> "int"
; WalkMarkerHandle : HPSSWALK -> "intptr"
; Buffer : void* optional, out -> "intptr"
; BufferLength : DWORD -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procPssWalkSnapshot = kernel32.NewProc("PssWalkSnapshot")
)

// SnapshotHandle (HPSS), InformationClass (PSS_WALK_INFORMATION_CLASS), WalkMarkerHandle (HPSSWALK), Buffer (void* optional, out), BufferLength (DWORD)
r1, _, err := procPssWalkSnapshot.Call(
	uintptr(SnapshotHandle),
	uintptr(InformationClass),
	uintptr(WalkMarkerHandle),
	uintptr(Buffer),
	uintptr(BufferLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PssWalkSnapshot(
  SnapshotHandle: THandle;   // HPSS
  InformationClass: Integer;   // PSS_WALK_INFORMATION_CLASS
  WalkMarkerHandle: THandle;   // HPSSWALK
  Buffer: Pointer;   // void* optional, out
  BufferLength: DWORD   // DWORD
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'PssWalkSnapshot';

result := DllCall("KERNEL32\PssWalkSnapshot"
    , "Ptr", SnapshotHandle   ; HPSS
    , "Int", InformationClass   ; PSS_WALK_INFORMATION_CLASS
    , "Ptr", WalkMarkerHandle   ; HPSSWALK
    , "Ptr", Buffer   ; void* optional, out
    , "UInt", BufferLength   ; DWORD
    , "UInt")   ; return: DWORD

●PssWalkSnapshot(SnapshotHandle, InformationClass, WalkMarkerHandle, Buffer, BufferLength) = DLL("KERNEL32.dll", "dword PssWalkSnapshot(void*, int, void*, void*, dword)")
# 呼び出し: PssWalkSnapshot(SnapshotHandle, InformationClass, WalkMarkerHandle, Buffer, BufferLength)
# SnapshotHandle : HPSS -> "void*"
# InformationClass : PSS_WALK_INFORMATION_CLASS -> "int"
# WalkMarkerHandle : HPSSWALK -> "void*"
# Buffer : void* optional, out -> "void*"
# BufferLength : 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)。