CryptXmlGetAlgorithmInfo

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

HRESULT CryptXmlGetAlgorithmInfo(
    const CRYPT_XML_ALGORITHM* pXmlAlgorithm,
    CRYPT_XML_FLAGS dwFlags,
    CRYPT_XML_ALGORITHM_INFO** ppAlgInfo
);

<DllImport("CRYPTXML.dll", ExactSpelling:=True)>
Public Shared Function CryptXmlGetAlgorithmInfo(
    pXmlAlgorithm As IntPtr,   ' CRYPT_XML_ALGORITHM*
    dwFlags As UInteger,   ' CRYPT_XML_FLAGS
    ppAlgInfo As IntPtr   ' CRYPT_XML_ALGORITHM_INFO** out
) As Integer
End Function

' pXmlAlgorithm : CRYPT_XML_ALGORITHM*
' dwFlags : CRYPT_XML_FLAGS
' ppAlgInfo : CRYPT_XML_ALGORITHM_INFO** out
Declare PtrSafe Function CryptXmlGetAlgorithmInfo Lib "cryptxml" ( _
    ByVal pXmlAlgorithm As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal ppAlgInfo 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

CryptXmlGetAlgorithmInfo = ctypes.windll.cryptxml.CryptXmlGetAlgorithmInfo
CryptXmlGetAlgorithmInfo.restype = ctypes.c_int
CryptXmlGetAlgorithmInfo.argtypes = [
    ctypes.c_void_p,  # pXmlAlgorithm : CRYPT_XML_ALGORITHM*
    wintypes.DWORD,  # dwFlags : CRYPT_XML_FLAGS
    ctypes.c_void_p,  # ppAlgInfo : CRYPT_XML_ALGORITHM_INFO** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPTXML.dll')
CryptXmlGetAlgorithmInfo = Fiddle::Function.new(
  lib['CryptXmlGetAlgorithmInfo'],
  [
    Fiddle::TYPE_VOIDP,  # pXmlAlgorithm : CRYPT_XML_ALGORITHM*
    -Fiddle::TYPE_INT,  # dwFlags : CRYPT_XML_FLAGS
    Fiddle::TYPE_VOIDP,  # ppAlgInfo : CRYPT_XML_ALGORITHM_INFO** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "cryptxml")]
extern "system" {
    fn CryptXmlGetAlgorithmInfo(
        pXmlAlgorithm: *const CRYPT_XML_ALGORITHM,  // CRYPT_XML_ALGORITHM*
        dwFlags: u32,  // CRYPT_XML_FLAGS
        ppAlgInfo: *mut *mut CRYPT_XML_ALGORITHM_INFO  // CRYPT_XML_ALGORITHM_INFO** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CRYPTXML.dll")]
public static extern int CryptXmlGetAlgorithmInfo(IntPtr pXmlAlgorithm, uint dwFlags, IntPtr ppAlgInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPTXML_CryptXmlGetAlgorithmInfo' -Namespace Win32 -PassThru
# $api::CryptXmlGetAlgorithmInfo(pXmlAlgorithm, dwFlags, ppAlgInfo)

#uselib "CRYPTXML.dll"
#func global CryptXmlGetAlgorithmInfo "CryptXmlGetAlgorithmInfo" sptr, sptr, sptr
; CryptXmlGetAlgorithmInfo varptr(pXmlAlgorithm), dwFlags, varptr(ppAlgInfo)   ; 戻り値は stat
; pXmlAlgorithm : CRYPT_XML_ALGORITHM* -> "sptr"
; dwFlags : CRYPT_XML_FLAGS -> "sptr"
; ppAlgInfo : CRYPT_XML_ALGORITHM_INFO** 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 "CRYPTXML.dll"
#cfunc global CryptXmlGetAlgorithmInfo "CryptXmlGetAlgorithmInfo" var, int, var
; res = CryptXmlGetAlgorithmInfo(pXmlAlgorithm, dwFlags, ppAlgInfo)
; pXmlAlgorithm : CRYPT_XML_ALGORITHM* -> "var"
; dwFlags : CRYPT_XML_FLAGS -> "int"
; ppAlgInfo : CRYPT_XML_ALGORITHM_INFO** out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT CryptXmlGetAlgorithmInfo(CRYPT_XML_ALGORITHM* pXmlAlgorithm, CRYPT_XML_FLAGS dwFlags, CRYPT_XML_ALGORITHM_INFO** ppAlgInfo)
#uselib "CRYPTXML.dll"
#cfunc global CryptXmlGetAlgorithmInfo "CryptXmlGetAlgorithmInfo" var, int, var
; res = CryptXmlGetAlgorithmInfo(pXmlAlgorithm, dwFlags, ppAlgInfo)
; pXmlAlgorithm : CRYPT_XML_ALGORITHM* -> "var"
; dwFlags : CRYPT_XML_FLAGS -> "int"
; ppAlgInfo : CRYPT_XML_ALGORITHM_INFO** out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	cryptxml = windows.NewLazySystemDLL("CRYPTXML.dll")
	procCryptXmlGetAlgorithmInfo = cryptxml.NewProc("CryptXmlGetAlgorithmInfo")
)

// pXmlAlgorithm (CRYPT_XML_ALGORITHM*), dwFlags (CRYPT_XML_FLAGS), ppAlgInfo (CRYPT_XML_ALGORITHM_INFO** out)
r1, _, err := procCryptXmlGetAlgorithmInfo.Call(
	uintptr(pXmlAlgorithm),
	uintptr(dwFlags),
	uintptr(ppAlgInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CryptXmlGetAlgorithmInfo(
  pXmlAlgorithm: Pointer;   // CRYPT_XML_ALGORITHM*
  dwFlags: DWORD;   // CRYPT_XML_FLAGS
  ppAlgInfo: Pointer   // CRYPT_XML_ALGORITHM_INFO** out
): Integer; stdcall;
  external 'CRYPTXML.dll' name 'CryptXmlGetAlgorithmInfo';

result := DllCall("CRYPTXML\CryptXmlGetAlgorithmInfo"
    , "Ptr", pXmlAlgorithm   ; CRYPT_XML_ALGORITHM*
    , "UInt", dwFlags   ; CRYPT_XML_FLAGS
    , "Ptr", ppAlgInfo   ; CRYPT_XML_ALGORITHM_INFO** out
    , "Int")   ; return: HRESULT

●CryptXmlGetAlgorithmInfo(pXmlAlgorithm, dwFlags, ppAlgInfo) = DLL("CRYPTXML.dll", "int CryptXmlGetAlgorithmInfo(void*, dword, void*)")
# 呼び出し: CryptXmlGetAlgorithmInfo(pXmlAlgorithm, dwFlags, ppAlgInfo)
# pXmlAlgorithm : CRYPT_XML_ALGORITHM* -> "void*"
# dwFlags : CRYPT_XML_FLAGS -> "dword"
# ppAlgInfo : CRYPT_XML_ALGORITHM_INFO** 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)。