EnterCriticalPolicySection

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

HANDLE EnterCriticalPolicySection(
    BOOL bMachine
);

<DllImport("USERENV.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function EnterCriticalPolicySection(
    bMachine As Boolean   ' BOOL
) As IntPtr
End Function

' bMachine : BOOL
Declare PtrSafe Function EnterCriticalPolicySection Lib "userenv" ( _
    ByVal bMachine 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

EnterCriticalPolicySection = ctypes.windll.userenv.EnterCriticalPolicySection
EnterCriticalPolicySection.restype = ctypes.c_void_p
EnterCriticalPolicySection.argtypes = [
    wintypes.BOOL,  # bMachine : BOOL
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USERENV.dll')
EnterCriticalPolicySection = Fiddle::Function.new(
  lib['EnterCriticalPolicySection'],
  [
    Fiddle::TYPE_INT,  # bMachine : BOOL
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "userenv")]
extern "system" {
    fn EnterCriticalPolicySection(
        bMachine: i32  // BOOL
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USERENV.dll", SetLastError = true)]
public static extern IntPtr EnterCriticalPolicySection(bool bMachine);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USERENV_EnterCriticalPolicySection' -Namespace Win32 -PassThru
# $api::EnterCriticalPolicySection(bMachine)

#uselib "USERENV.dll"
#func global EnterCriticalPolicySection "EnterCriticalPolicySection" sptr
; EnterCriticalPolicySection bMachine   ; 戻り値は stat
; bMachine : BOOL -> "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 "USERENV.dll"
#cfunc global EnterCriticalPolicySection "EnterCriticalPolicySection" int
; res = EnterCriticalPolicySection(bMachine)
; bMachine : BOOL -> "int"

; HANDLE EnterCriticalPolicySection(BOOL bMachine)
#uselib "USERENV.dll"
#cfunc global EnterCriticalPolicySection "EnterCriticalPolicySection" int
; res = EnterCriticalPolicySection(bMachine)
; bMachine : BOOL -> "int"

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

var (
	userenv = windows.NewLazySystemDLL("USERENV.dll")
	procEnterCriticalPolicySection = userenv.NewProc("EnterCriticalPolicySection")
)

// bMachine (BOOL)
r1, _, err := procEnterCriticalPolicySection.Call(
	uintptr(bMachine),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function EnterCriticalPolicySection(
  bMachine: BOOL   // BOOL
): THandle; stdcall;
  external 'USERENV.dll' name 'EnterCriticalPolicySection';

result := DllCall("USERENV\EnterCriticalPolicySection"
    , "Int", bMachine   ; BOOL
    , "Ptr")   ; return: HANDLE

●EnterCriticalPolicySection(bMachine) = DLL("USERENV.dll", "void* EnterCriticalPolicySection(bool)")
# 呼び出し: EnterCriticalPolicySection(bMachine)
# bMachine : BOOL -> "bool"
# 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)。