CertGetValidUsages

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

BOOL CertGetValidUsages(
    DWORD cCerts,
    CERT_CONTEXT** rghCerts,
    INT* cNumOIDs,
    LPSTR* rghOIDs,   // optional
    DWORD* pcbOIDs
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertGetValidUsages(
    cCerts As UInteger,   ' DWORD
    rghCerts As IntPtr,   ' CERT_CONTEXT**
    <Out> ByRef cNumOIDs As Integer,   ' INT* out
    rghOIDs As IntPtr,   ' LPSTR* optional, out
    ByRef pcbOIDs As UInteger   ' DWORD* in/out
) As Boolean
End Function

' cCerts : DWORD
' rghCerts : CERT_CONTEXT**
' cNumOIDs : INT* out
' rghOIDs : LPSTR* optional, out
' pcbOIDs : DWORD* in/out
Declare PtrSafe Function CertGetValidUsages Lib "crypt32" ( _
    ByVal cCerts As Long, _
    ByVal rghCerts As LongPtr, _
    ByRef cNumOIDs As Long, _
    ByVal rghOIDs As LongPtr, _
    ByRef pcbOIDs 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

CertGetValidUsages = ctypes.windll.crypt32.CertGetValidUsages
CertGetValidUsages.restype = wintypes.BOOL
CertGetValidUsages.argtypes = [
    wintypes.DWORD,  # cCerts : DWORD
    ctypes.c_void_p,  # rghCerts : CERT_CONTEXT**
    ctypes.POINTER(ctypes.c_int),  # cNumOIDs : INT* out
    ctypes.c_void_p,  # rghOIDs : LPSTR* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbOIDs : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertGetValidUsages = Fiddle::Function.new(
  lib['CertGetValidUsages'],
  [
    -Fiddle::TYPE_INT,  # cCerts : DWORD
    Fiddle::TYPE_VOIDP,  # rghCerts : CERT_CONTEXT**
    Fiddle::TYPE_VOIDP,  # cNumOIDs : INT* out
    Fiddle::TYPE_VOIDP,  # rghOIDs : LPSTR* optional, out
    Fiddle::TYPE_VOIDP,  # pcbOIDs : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CertGetValidUsages(
        cCerts: u32,  // DWORD
        rghCerts: *mut *mut CERT_CONTEXT,  // CERT_CONTEXT**
        cNumOIDs: *mut i32,  // INT* out
        rghOIDs: *mut *mut u8,  // LPSTR* optional, out
        pcbOIDs: *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 CertGetValidUsages(uint cCerts, IntPtr rghCerts, out int cNumOIDs, IntPtr rghOIDs, ref uint pcbOIDs);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertGetValidUsages' -Namespace Win32 -PassThru
# $api::CertGetValidUsages(cCerts, rghCerts, cNumOIDs, rghOIDs, pcbOIDs)

#uselib "CRYPT32.dll"
#func global CertGetValidUsages "CertGetValidUsages" sptr, sptr, sptr, sptr, sptr
; CertGetValidUsages cCerts, varptr(rghCerts), varptr(cNumOIDs), varptr(rghOIDs), varptr(pcbOIDs)   ; 戻り値は stat
; cCerts : DWORD -> "sptr"
; rghCerts : CERT_CONTEXT** -> "sptr"
; cNumOIDs : INT* out -> "sptr"
; rghOIDs : LPSTR* optional, out -> "sptr"
; pcbOIDs : 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。

#uselib "CRYPT32.dll"
#cfunc global CertGetValidUsages "CertGetValidUsages" int, var, var, var, var
; res = CertGetValidUsages(cCerts, rghCerts, cNumOIDs, rghOIDs, pcbOIDs)
; cCerts : DWORD -> "int"
; rghCerts : CERT_CONTEXT** -> "var"
; cNumOIDs : INT* out -> "var"
; rghOIDs : LPSTR* optional, out -> "var"
; pcbOIDs : DWORD* in/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。

; BOOL CertGetValidUsages(DWORD cCerts, CERT_CONTEXT** rghCerts, INT* cNumOIDs, LPSTR* rghOIDs, DWORD* pcbOIDs)
#uselib "CRYPT32.dll"
#cfunc global CertGetValidUsages "CertGetValidUsages" int, var, var, var, var
; res = CertGetValidUsages(cCerts, rghCerts, cNumOIDs, rghOIDs, pcbOIDs)
; cCerts : DWORD -> "int"
; rghCerts : CERT_CONTEXT** -> "var"
; cNumOIDs : INT* out -> "var"
; rghOIDs : LPSTR* optional, out -> "var"
; pcbOIDs : DWORD* in/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 (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertGetValidUsages = crypt32.NewProc("CertGetValidUsages")
)

// cCerts (DWORD), rghCerts (CERT_CONTEXT**), cNumOIDs (INT* out), rghOIDs (LPSTR* optional, out), pcbOIDs (DWORD* in/out)
r1, _, err := procCertGetValidUsages.Call(
	uintptr(cCerts),
	uintptr(rghCerts),
	uintptr(cNumOIDs),
	uintptr(rghOIDs),
	uintptr(pcbOIDs),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CertGetValidUsages(
  cCerts: DWORD;   // DWORD
  rghCerts: Pointer;   // CERT_CONTEXT**
  cNumOIDs: Pointer;   // INT* out
  rghOIDs: PPAnsiChar;   // LPSTR* optional, out
  pcbOIDs: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CertGetValidUsages';

result := DllCall("CRYPT32\CertGetValidUsages"
    , "UInt", cCerts   ; DWORD
    , "Ptr", rghCerts   ; CERT_CONTEXT**
    , "Ptr", cNumOIDs   ; INT* out
    , "Ptr", rghOIDs   ; LPSTR* optional, out
    , "Ptr", pcbOIDs   ; DWORD* in/out
    , "Int")   ; return: BOOL

●CertGetValidUsages(cCerts, rghCerts, cNumOIDs, rghOIDs, pcbOIDs) = DLL("CRYPT32.dll", "bool CertGetValidUsages(dword, void*, void*, void*, void*)")
# 呼び出し: CertGetValidUsages(cCerts, rghCerts, cNumOIDs, rghOIDs, pcbOIDs)
# cCerts : DWORD -> "dword"
# rghCerts : CERT_CONTEXT** -> "void*"
# cNumOIDs : INT* out -> "void*"
# rghOIDs : LPSTR* optional, out -> "void*"
# pcbOIDs : 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)。