CreateEnvironmentBlock

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

BOOL CreateEnvironmentBlock(
    void** lpEnvironment,
    HANDLE hToken,   // optional
    BOOL bInherit
);

<DllImport("USERENV.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CreateEnvironmentBlock(
    lpEnvironment As IntPtr,   ' void** out
    hToken As IntPtr,   ' HANDLE optional
    bInherit As Boolean   ' BOOL
) As Boolean
End Function

' lpEnvironment : void** out
' hToken : HANDLE optional
' bInherit : BOOL
Declare PtrSafe Function CreateEnvironmentBlock Lib "userenv" ( _
    ByVal lpEnvironment As LongPtr, _
    ByVal hToken As LongPtr, _
    ByVal bInherit 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

CreateEnvironmentBlock = ctypes.windll.userenv.CreateEnvironmentBlock
CreateEnvironmentBlock.restype = wintypes.BOOL
CreateEnvironmentBlock.argtypes = [
    ctypes.c_void_p,  # lpEnvironment : void** out
    wintypes.HANDLE,  # hToken : HANDLE optional
    wintypes.BOOL,  # bInherit : BOOL
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USERENV.dll')
CreateEnvironmentBlock = Fiddle::Function.new(
  lib['CreateEnvironmentBlock'],
  [
    Fiddle::TYPE_VOIDP,  # lpEnvironment : void** out
    Fiddle::TYPE_VOIDP,  # hToken : HANDLE optional
    Fiddle::TYPE_INT,  # bInherit : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "userenv")]
extern "system" {
    fn CreateEnvironmentBlock(
        lpEnvironment: *mut *mut (),  // void** out
        hToken: *mut core::ffi::c_void,  // HANDLE optional
        bInherit: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USERENV.dll", SetLastError = true)]
public static extern bool CreateEnvironmentBlock(IntPtr lpEnvironment, IntPtr hToken, bool bInherit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USERENV_CreateEnvironmentBlock' -Namespace Win32 -PassThru
# $api::CreateEnvironmentBlock(lpEnvironment, hToken, bInherit)

#uselib "USERENV.dll"
#func global CreateEnvironmentBlock "CreateEnvironmentBlock" sptr, sptr, sptr
; CreateEnvironmentBlock lpEnvironment, hToken, bInherit   ; 戻り値は stat
; lpEnvironment : void** out -> "sptr"
; hToken : HANDLE optional -> "sptr"
; bInherit : 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 CreateEnvironmentBlock "CreateEnvironmentBlock" sptr, sptr, int
; res = CreateEnvironmentBlock(lpEnvironment, hToken, bInherit)
; lpEnvironment : void** out -> "sptr"
; hToken : HANDLE optional -> "sptr"
; bInherit : BOOL -> "int"

; BOOL CreateEnvironmentBlock(void** lpEnvironment, HANDLE hToken, BOOL bInherit)
#uselib "USERENV.dll"
#cfunc global CreateEnvironmentBlock "CreateEnvironmentBlock" intptr, intptr, int
; res = CreateEnvironmentBlock(lpEnvironment, hToken, bInherit)
; lpEnvironment : void** out -> "intptr"
; hToken : HANDLE optional -> "intptr"
; bInherit : BOOL -> "int"

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

var (
	userenv = windows.NewLazySystemDLL("USERENV.dll")
	procCreateEnvironmentBlock = userenv.NewProc("CreateEnvironmentBlock")
)

// lpEnvironment (void** out), hToken (HANDLE optional), bInherit (BOOL)
r1, _, err := procCreateEnvironmentBlock.Call(
	uintptr(lpEnvironment),
	uintptr(hToken),
	uintptr(bInherit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CreateEnvironmentBlock(
  lpEnvironment: Pointer;   // void** out
  hToken: THandle;   // HANDLE optional
  bInherit: BOOL   // BOOL
): BOOL; stdcall;
  external 'USERENV.dll' name 'CreateEnvironmentBlock';

result := DllCall("USERENV\CreateEnvironmentBlock"
    , "Ptr", lpEnvironment   ; void** out
    , "Ptr", hToken   ; HANDLE optional
    , "Int", bInherit   ; BOOL
    , "Int")   ; return: BOOL

●CreateEnvironmentBlock(lpEnvironment, hToken, bInherit) = DLL("USERENV.dll", "bool CreateEnvironmentBlock(void*, void*, bool)")
# 呼び出し: CreateEnvironmentBlock(lpEnvironment, hToken, bInherit)
# lpEnvironment : void** out -> "void*"
# hToken : HANDLE optional -> "void*"
# bInherit : 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)。