LocalCompact

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

UINT_PTR LocalCompact(
    DWORD uMinFree
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function LocalCompact(
    uMinFree As UInteger   ' DWORD
) As UIntPtr
End Function

' uMinFree : DWORD
Declare PtrSafe Function LocalCompact Lib "kernel32" ( _
    ByVal uMinFree As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

LocalCompact = ctypes.windll.kernel32.LocalCompact
LocalCompact.restype = ctypes.c_size_t
LocalCompact.argtypes = [
    wintypes.DWORD,  # uMinFree : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
LocalCompact = Fiddle::Function.new(
  lib['LocalCompact'],
  [
    -Fiddle::TYPE_INT,  # uMinFree : DWORD
  ],
  Fiddle::TYPE_UINTPTR_T)

#[link(name = "kernel32")]
extern "system" {
    fn LocalCompact(
        uMinFree: u32  // DWORD
    ) -> usize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern UIntPtr LocalCompact(uint uMinFree);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_LocalCompact' -Namespace Win32 -PassThru
# $api::LocalCompact(uMinFree)

#uselib "KERNEL32.dll"
#func global LocalCompact "LocalCompact" sptr
; LocalCompact uMinFree   ; 戻り値は stat
; uMinFree : 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 LocalCompact "LocalCompact" int
; res = LocalCompact(uMinFree)
; uMinFree : DWORD -> "int"

; UINT_PTR LocalCompact(DWORD uMinFree)
#uselib "KERNEL32.dll"
#cfunc global LocalCompact "LocalCompact" int
; res = LocalCompact(uMinFree)
; uMinFree : DWORD -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procLocalCompact = kernel32.NewProc("LocalCompact")
)

// uMinFree (DWORD)
r1, _, err := procLocalCompact.Call(
	uintptr(uMinFree),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UINT_PTR

function LocalCompact(
  uMinFree: DWORD   // DWORD
): NativeUInt; stdcall;
  external 'KERNEL32.dll' name 'LocalCompact';

result := DllCall("KERNEL32\LocalCompact"
    , "UInt", uMinFree   ; DWORD
    , "UPtr")   ; return: UINT_PTR

●LocalCompact(uMinFree) = DLL("KERNEL32.dll", "int LocalCompact(dword)")
# 呼び出し: LocalCompact(uMinFree)
# uMinFree : 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)。