CryptMsgGetParam

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

BOOL CryptMsgGetParam(
    void* hCryptMsg,
    DWORD dwParamType,
    DWORD dwIndex,
    void* pvData,   // optional
    DWORD* pcbData
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptMsgGetParam(
    hCryptMsg As IntPtr,   ' void*
    dwParamType As UInteger,   ' DWORD
    dwIndex As UInteger,   ' DWORD
    pvData As IntPtr,   ' void* optional, out
    ByRef pcbData As UInteger   ' DWORD* in/out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hCryptMsg : void*
' dwParamType : DWORD
' dwIndex : DWORD
' pvData : void* optional, out
' pcbData : DWORD* in/out
Declare PtrSafe Function CryptMsgGetParam Lib "crypt32" ( _
    ByVal hCryptMsg As LongPtr, _
    ByVal dwParamType As Long, _
    ByVal dwIndex As Long, _
    ByVal pvData As LongPtr, _
    ByRef pcbData 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

CryptMsgGetParam = ctypes.windll.crypt32.CryptMsgGetParam
CryptMsgGetParam.restype = wintypes.BOOL
CryptMsgGetParam.argtypes = [
    ctypes.POINTER(None),  # hCryptMsg : void*
    wintypes.DWORD,  # dwParamType : DWORD
    wintypes.DWORD,  # dwIndex : DWORD
    ctypes.POINTER(None),  # pvData : void* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbData : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CryptMsgGetParam = Fiddle::Function.new(
  lib['CryptMsgGetParam'],
  [
    Fiddle::TYPE_VOIDP,  # hCryptMsg : void*
    -Fiddle::TYPE_INT,  # dwParamType : DWORD
    -Fiddle::TYPE_INT,  # dwIndex : DWORD
    Fiddle::TYPE_VOIDP,  # pvData : void* optional, out
    Fiddle::TYPE_VOIDP,  # pcbData : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CryptMsgGetParam(
        hCryptMsg: *mut (),  // void*
        dwParamType: u32,  // DWORD
        dwIndex: u32,  // DWORD
        pvData: *mut (),  // void* optional, out
        pcbData: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true)]
public static extern bool CryptMsgGetParam(IntPtr hCryptMsg, uint dwParamType, uint dwIndex, IntPtr pvData, ref uint pcbData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CryptMsgGetParam' -Namespace Win32 -PassThru
# $api::CryptMsgGetParam(hCryptMsg, dwParamType, dwIndex, pvData, pcbData)

#uselib "CRYPT32.dll"
#func global CryptMsgGetParam "CryptMsgGetParam" sptr, sptr, sptr, sptr, sptr
; CryptMsgGetParam hCryptMsg, dwParamType, dwIndex, pvData, varptr(pcbData)   ; 戻り値は stat
; hCryptMsg : void* -> "sptr"
; dwParamType : DWORD -> "sptr"
; dwIndex : DWORD -> "sptr"
; pvData : void* optional, out -> "sptr"
; pcbData : DWORD* in/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。

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

var (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCryptMsgGetParam = crypt32.NewProc("CryptMsgGetParam")
)

// hCryptMsg (void*), dwParamType (DWORD), dwIndex (DWORD), pvData (void* optional, out), pcbData (DWORD* in/out)
r1, _, err := procCryptMsgGetParam.Call(
	uintptr(hCryptMsg),
	uintptr(dwParamType),
	uintptr(dwIndex),
	uintptr(pvData),
	uintptr(pcbData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptMsgGetParam(
  hCryptMsg: Pointer;   // void*
  dwParamType: DWORD;   // DWORD
  dwIndex: DWORD;   // DWORD
  pvData: Pointer;   // void* optional, out
  pcbData: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptMsgGetParam';

result := DllCall("CRYPT32\CryptMsgGetParam"
    , "Ptr", hCryptMsg   ; void*
    , "UInt", dwParamType   ; DWORD
    , "UInt", dwIndex   ; DWORD
    , "Ptr", pvData   ; void* optional, out
    , "Ptr", pcbData   ; DWORD* in/out
    , "Int")   ; return: BOOL

●CryptMsgGetParam(hCryptMsg, dwParamType, dwIndex, pvData, pcbData) = DLL("CRYPT32.dll", "bool CryptMsgGetParam(void*, dword, dword, void*, void*)")
# 呼び出し: CryptMsgGetParam(hCryptMsg, dwParamType, dwIndex, pvData, pcbData)
# hCryptMsg : void* -> "void*"
# dwParamType : DWORD -> "dword"
# dwIndex : DWORD -> "dword"
# pvData : void* optional, out -> "void*"
# pcbData : DWORD* in/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)。

const std = @import("std");

extern "crypt32" fn CryptMsgGetParam(
    hCryptMsg: ?*anyopaque, // void*
    dwParamType: u32, // DWORD
    dwIndex: u32, // DWORD
    pvData: ?*anyopaque, // void* optional, out
    pcbData: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;

proc CryptMsgGetParam(
    hCryptMsg: pointer,  # void*
    dwParamType: uint32,  # DWORD
    dwIndex: uint32,  # DWORD
    pvData: pointer,  # void* optional, out
    pcbData: ptr uint32  # DWORD* in/out
): int32 {.importc: "CryptMsgGetParam", stdcall, dynlib: "CRYPT32.dll".}

pragma(lib, "crypt32");
extern(Windows)
int CryptMsgGetParam(
    void* hCryptMsg,   // void*
    uint dwParamType,   // DWORD
    uint dwIndex,   // DWORD
    void* pvData,   // void* optional, out
    uint* pcbData   // DWORD* in/out
);

ccall((:CryptMsgGetParam, "CRYPT32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt32, UInt32, Ptr{Cvoid}, Ptr{UInt32}),
      hCryptMsg, dwParamType, dwIndex, pvData, pcbData)
# hCryptMsg : void* -> Ptr{Cvoid}
# dwParamType : DWORD -> UInt32
# dwIndex : DWORD -> UInt32
# pvData : void* optional, out -> Ptr{Cvoid}
# pcbData : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t CryptMsgGetParam(
    void* hCryptMsg,
    uint32_t dwParamType,
    uint32_t dwIndex,
    void* pvData,
    uint32_t* pcbData);
]]
local crypt32 = ffi.load("crypt32")
-- crypt32.CryptMsgGetParam(hCryptMsg, dwParamType, dwIndex, pvData, pcbData)
-- hCryptMsg : void*
-- dwParamType : DWORD
-- dwIndex : DWORD
-- pvData : void* optional, out
-- pcbData : DWORD* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('CRYPT32.dll');
const CryptMsgGetParam = lib.func('__stdcall', 'CryptMsgGetParam', 'int32_t', ['void *', 'uint32_t', 'uint32_t', 'void *', 'uint32_t *']);
// CryptMsgGetParam(hCryptMsg, dwParamType, dwIndex, pvData, pcbData)
// hCryptMsg : void* -> 'void *'
// dwParamType : DWORD -> 'uint32_t'
// dwIndex : DWORD -> 'uint32_t'
// pvData : void* optional, out -> 'void *'
// pcbData : DWORD* in/out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("CRYPT32.dll", {
  CryptMsgGetParam: { parameters: ["pointer", "u32", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.CryptMsgGetParam(hCryptMsg, dwParamType, dwIndex, pvData, pcbData)
// hCryptMsg : void* -> "pointer"
// dwParamType : DWORD -> "u32"
// dwIndex : DWORD -> "u32"
// pvData : void* optional, out -> "pointer"
// pcbData : DWORD* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t CryptMsgGetParam(
    void* hCryptMsg,
    uint32_t dwParamType,
    uint32_t dwIndex,
    void* pvData,
    uint32_t* pcbData);
C, "CRYPT32.dll");
// $ffi->CryptMsgGetParam(hCryptMsg, dwParamType, dwIndex, pvData, pcbData);
// hCryptMsg : void*
// dwParamType : DWORD
// dwIndex : DWORD
// pvData : void* optional, out
// pcbData : DWORD* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Crypt32 extends StdCallLibrary {
    Crypt32 INSTANCE = Native.load("crypt32", Crypt32.class);
    boolean CryptMsgGetParam(
        Pointer hCryptMsg,   // void*
        int dwParamType,   // DWORD
        int dwIndex,   // DWORD
        Pointer pvData,   // void* optional, out
        IntByReference pcbData   // DWORD* in/out
    );
}

@[Link("crypt32")]
lib LibCRYPT32
  fun CryptMsgGetParam = CryptMsgGetParam(
    hCryptMsg : Void*,   # void*
    dwParamType : UInt32,   # DWORD
    dwIndex : UInt32,   # DWORD
    pvData : Void*,   # void* optional, out
    pcbData : UInt32*   # DWORD* in/out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef CryptMsgGetParamNative = Int32 Function(Pointer<Void>, Uint32, Uint32, Pointer<Void>, Pointer<Uint32>);
typedef CryptMsgGetParamDart = int Function(Pointer<Void>, int, int, Pointer<Void>, Pointer<Uint32>);
final CryptMsgGetParam = DynamicLibrary.open('CRYPT32.dll')
    .lookupFunction<CryptMsgGetParamNative, CryptMsgGetParamDart>('CryptMsgGetParam');
// hCryptMsg : void* -> Pointer<Void>
// dwParamType : DWORD -> Uint32
// dwIndex : DWORD -> Uint32
// pvData : void* optional, out -> Pointer<Void>
// pcbData : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CryptMsgGetParam(
  hCryptMsg: Pointer;   // void*
  dwParamType: DWORD;   // DWORD
  dwIndex: DWORD;   // DWORD
  pvData: Pointer;   // void* optional, out
  pcbData: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptMsgGetParam';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "CryptMsgGetParam"
  c_CryptMsgGetParam :: Ptr () -> Word32 -> Word32 -> Ptr () -> Ptr Word32 -> IO CInt
-- hCryptMsg : void* -> Ptr ()
-- dwParamType : DWORD -> Word32
-- dwIndex : DWORD -> Word32
-- pvData : void* optional, out -> Ptr ()
-- pcbData : DWORD* in/out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let cryptmsggetparam =
  foreign "CryptMsgGetParam"
    ((ptr void) @-> uint32_t @-> uint32_t @-> (ptr void) @-> (ptr uint32_t) @-> returning int32_t)
(* hCryptMsg : void* -> (ptr void) *)
(* dwParamType : DWORD -> uint32_t *)
(* dwIndex : DWORD -> uint32_t *)
(* pvData : void* optional, out -> (ptr void) *)
(* pcbData : DWORD* in/out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library crypt32 (t "CRYPT32.dll"))
(cffi:use-foreign-library crypt32)

(cffi:defcfun ("CryptMsgGetParam" crypt-msg-get-param :convention :stdcall) :int32
  (h-crypt-msg :pointer)   ; void*
  (dw-param-type :uint32)   ; DWORD
  (dw-index :uint32)   ; DWORD
  (pv-data :pointer)   ; void* optional, out
  (pcb-data :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CryptMsgGetParam = Win32::API::More->new('CRYPT32',
    'BOOL CryptMsgGetParam(LPVOID hCryptMsg, DWORD dwParamType, DWORD dwIndex, LPVOID pvData, LPVOID pcbData)');
# my $ret = $CryptMsgGetParam->Call($hCryptMsg, $dwParamType, $dwIndex, $pvData, $pcbData);
# hCryptMsg : void* -> LPVOID
# dwParamType : DWORD -> DWORD
# dwIndex : DWORD -> DWORD
# pvData : void* optional, out -> LPVOID
# pcbData : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。