CryptCreateAsyncHandle

// CRYPT32.dll
#include <windows.h>

BOOL CryptCreateAsyncHandle(
    DWORD dwFlags,
    HCRYPTASYNC* phAsync
);

<DllImport("CRYPT32.dll", ExactSpelling:=True)>
Public Shared Function CryptCreateAsyncHandle(
    dwFlags As UInteger,   ' DWORD
    <Out> ByRef phAsync As IntPtr   ' HCRYPTASYNC* out
) As Boolean
End Function

' dwFlags : DWORD
' phAsync : HCRYPTASYNC* out
Declare PtrSafe Function CryptCreateAsyncHandle Lib "crypt32" ( _
    ByVal dwFlags As Long, _
    ByRef phAsync 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

CryptCreateAsyncHandle = ctypes.windll.crypt32.CryptCreateAsyncHandle
CryptCreateAsyncHandle.restype = wintypes.BOOL
CryptCreateAsyncHandle.argtypes = [
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.c_void_p,  # phAsync : HCRYPTASYNC* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CryptCreateAsyncHandle = Fiddle::Function.new(
  lib['CryptCreateAsyncHandle'],
  [
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # phAsync : HCRYPTASYNC* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CryptCreateAsyncHandle(
        dwFlags: u32,  // DWORD
        phAsync: *mut isize  // HCRYPTASYNC* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll")]
public static extern bool CryptCreateAsyncHandle(uint dwFlags, out IntPtr phAsync);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CryptCreateAsyncHandle' -Namespace Win32 -PassThru
# $api::CryptCreateAsyncHandle(dwFlags, phAsync)

#uselib "CRYPT32.dll"
#func global CryptCreateAsyncHandle "CryptCreateAsyncHandle" sptr, sptr
; CryptCreateAsyncHandle dwFlags, phAsync   ; 戻り値は stat
; dwFlags : DWORD -> "sptr"
; phAsync : HCRYPTASYNC* out -> "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 "CRYPT32.dll"
#cfunc global CryptCreateAsyncHandle "CryptCreateAsyncHandle" int, int
; res = CryptCreateAsyncHandle(dwFlags, phAsync)
; dwFlags : DWORD -> "int"
; phAsync : HCRYPTASYNC* out -> "int"

; BOOL CryptCreateAsyncHandle(DWORD dwFlags, HCRYPTASYNC* phAsync)
#uselib "CRYPT32.dll"
#cfunc global CryptCreateAsyncHandle "CryptCreateAsyncHandle" int, int
; res = CryptCreateAsyncHandle(dwFlags, phAsync)
; dwFlags : DWORD -> "int"
; phAsync : HCRYPTASYNC* out -> "int"

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

var (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCryptCreateAsyncHandle = crypt32.NewProc("CryptCreateAsyncHandle")
)

// dwFlags (DWORD), phAsync (HCRYPTASYNC* out)
r1, _, err := procCryptCreateAsyncHandle.Call(
	uintptr(dwFlags),
	uintptr(phAsync),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptCreateAsyncHandle(
  dwFlags: DWORD;   // DWORD
  phAsync: Pointer   // HCRYPTASYNC* out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptCreateAsyncHandle';

result := DllCall("CRYPT32\CryptCreateAsyncHandle"
    , "UInt", dwFlags   ; DWORD
    , "Ptr", phAsync   ; HCRYPTASYNC* out
    , "Int")   ; return: BOOL

●CryptCreateAsyncHandle(dwFlags, phAsync) = DLL("CRYPT32.dll", "bool CryptCreateAsyncHandle(dword, void*)")
# 呼び出し: CryptCreateAsyncHandle(dwFlags, phAsync)
# dwFlags : DWORD -> "dword"
# phAsync : HCRYPTASYNC* out -> "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)。