FreeUserPhysicalPages

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

BOOL FreeUserPhysicalPages(
    HANDLE hProcess,
    UINT_PTR* NumberOfPages,
    UINT_PTR* PageArray
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FreeUserPhysicalPages(
    hProcess As IntPtr,   ' HANDLE
    ByRef NumberOfPages As UIntPtr,   ' UINT_PTR* in/out
    ByRef PageArray As UIntPtr   ' UINT_PTR*
) As Boolean
End Function

' hProcess : HANDLE
' NumberOfPages : UINT_PTR* in/out
' PageArray : UINT_PTR*
Declare PtrSafe Function FreeUserPhysicalPages Lib "kernel32" ( _
    ByVal hProcess As LongPtr, _
    ByRef NumberOfPages As LongPtr, _
    ByRef PageArray As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

FreeUserPhysicalPages = ctypes.windll.kernel32.FreeUserPhysicalPages
FreeUserPhysicalPages.restype = wintypes.BOOL
FreeUserPhysicalPages.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.POINTER(ctypes.c_size_t),  # NumberOfPages : UINT_PTR* in/out
    ctypes.POINTER(ctypes.c_size_t),  # PageArray : UINT_PTR*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
FreeUserPhysicalPages = Fiddle::Function.new(
  lib['FreeUserPhysicalPages'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_VOIDP,  # NumberOfPages : UINT_PTR* in/out
    Fiddle::TYPE_VOIDP,  # PageArray : UINT_PTR*
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn FreeUserPhysicalPages(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        NumberOfPages: *mut usize,  // UINT_PTR* in/out
        PageArray: *mut usize  // UINT_PTR*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool FreeUserPhysicalPages(IntPtr hProcess, ref UIntPtr NumberOfPages, ref UIntPtr PageArray);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_FreeUserPhysicalPages' -Namespace Win32 -PassThru
# $api::FreeUserPhysicalPages(hProcess, NumberOfPages, PageArray)

#uselib "KERNEL32.dll"
#func global FreeUserPhysicalPages "FreeUserPhysicalPages" sptr, sptr, sptr
; FreeUserPhysicalPages hProcess, varptr(NumberOfPages), varptr(PageArray)   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; NumberOfPages : UINT_PTR* in/out -> "sptr"
; PageArray : UINT_PTR* -> "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 FreeUserPhysicalPages "FreeUserPhysicalPages" sptr, var, var
; res = FreeUserPhysicalPages(hProcess, NumberOfPages, PageArray)
; hProcess : HANDLE -> "sptr"
; NumberOfPages : UINT_PTR* in/out -> "var"
; PageArray : UINT_PTR* -> "var"
; ※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。

; BOOL FreeUserPhysicalPages(HANDLE hProcess, UINT_PTR* NumberOfPages, UINT_PTR* PageArray)
#uselib "KERNEL32.dll"
#cfunc global FreeUserPhysicalPages "FreeUserPhysicalPages" intptr, var, var
; res = FreeUserPhysicalPages(hProcess, NumberOfPages, PageArray)
; hProcess : HANDLE -> "intptr"
; NumberOfPages : UINT_PTR* in/out -> "var"
; PageArray : UINT_PTR* -> "var"
; ※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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procFreeUserPhysicalPages = kernel32.NewProc("FreeUserPhysicalPages")
)

// hProcess (HANDLE), NumberOfPages (UINT_PTR* in/out), PageArray (UINT_PTR*)
r1, _, err := procFreeUserPhysicalPages.Call(
	uintptr(hProcess),
	uintptr(NumberOfPages),
	uintptr(PageArray),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FreeUserPhysicalPages(
  hProcess: THandle;   // HANDLE
  NumberOfPages: Pointer;   // UINT_PTR* in/out
  PageArray: Pointer   // UINT_PTR*
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'FreeUserPhysicalPages';

result := DllCall("KERNEL32\FreeUserPhysicalPages"
    , "Ptr", hProcess   ; HANDLE
    , "Ptr", NumberOfPages   ; UINT_PTR* in/out
    , "Ptr", PageArray   ; UINT_PTR*
    , "Int")   ; return: BOOL

●FreeUserPhysicalPages(hProcess, NumberOfPages, PageArray) = DLL("KERNEL32.dll", "bool FreeUserPhysicalPages(void*, void*, void*)")
# 呼び出し: FreeUserPhysicalPages(hProcess, NumberOfPages, PageArray)
# hProcess : HANDLE -> "void*"
# NumberOfPages : UINT_PTR* in/out -> "void*"
# PageArray : UINT_PTR* -> "void*"
# 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)。