CERT_BASIC_CONSTRAINTS_INFO

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct CRYPT_BIT_BLOB
{
    public uint cbData;
    public IntPtr pbData;
    public uint cUnusedBits;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct CERT_BASIC_CONSTRAINTS_INFO
{
    public CRYPT_BIT_BLOB SubjectType;
    [MarshalAs(UnmanagedType.Bool)] public bool fPathLenConstraint;
    public uint dwPathLenConstraint;
    public uint cSubtreesConstraint;
    public IntPtr rgSubtreesConstraint;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure CRYPT_BIT_BLOB
    Public cbData As UInteger
    Public pbData As IntPtr
    Public cUnusedBits As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure CERT_BASIC_CONSTRAINTS_INFO
    Public SubjectType As CRYPT_BIT_BLOB
    <MarshalAs(UnmanagedType.Bool)> Public fPathLenConstraint As Boolean
    Public dwPathLenConstraint As UInteger
    Public cSubtreesConstraint As UInteger
    Public rgSubtreesConstraint As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class CRYPT_BIT_BLOB(ctypes.Structure):
    _fields_ = [
        ("cbData", wintypes.DWORD),
        ("pbData", ctypes.c_void_p),
        ("cUnusedBits", wintypes.DWORD),
    ]

class CERT_BASIC_CONSTRAINTS_INFO(ctypes.Structure):
    _fields_ = [
        ("SubjectType", CRYPT_BIT_BLOB),
        ("fPathLenConstraint", wintypes.BOOL),
        ("dwPathLenConstraint", wintypes.DWORD),
        ("cSubtreesConstraint", wintypes.DWORD),
        ("rgSubtreesConstraint", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct CRYPT_BIT_BLOB {
    pub cbData: u32,
    pub pbData: *mut core::ffi::c_void,
    pub cUnusedBits: u32,
}

#[repr(C)]
pub struct CERT_BASIC_CONSTRAINTS_INFO {
    pub SubjectType: CRYPT_BIT_BLOB,
    pub fPathLenConstraint: i32,
    pub dwPathLenConstraint: u32,
    pub cSubtreesConstraint: u32,
    pub rgSubtreesConstraint: *mut core::ffi::c_void,
}

import "golang.org/x/sys/windows"

type CRYPT_BIT_BLOB struct {
	cbData uint32
	pbData uintptr
	cUnusedBits uint32
}

type CERT_BASIC_CONSTRAINTS_INFO struct {
	SubjectType CRYPT_BIT_BLOB
	fPathLenConstraint int32
	dwPathLenConstraint uint32
	cSubtreesConstraint uint32
	rgSubtreesConstraint uintptr
}

type
  CRYPT_BIT_BLOB = record
    cbData: DWORD;
    pbData: Pointer;
    cUnusedBits: DWORD;
  end;

  CERT_BASIC_CONSTRAINTS_INFO = record
    SubjectType: CRYPT_BIT_BLOB;
    fPathLenConstraint: BOOL;
    dwPathLenConstraint: DWORD;
    cSubtreesConstraint: DWORD;
    rgSubtreesConstraint: Pointer;
  end;

const CRYPT_BIT_BLOB = extern struct {
    cbData: u32,
    pbData: ?*anyopaque,
    cUnusedBits: u32,
};

const CERT_BASIC_CONSTRAINTS_INFO = extern struct {
    SubjectType: CRYPT_BIT_BLOB,
    fPathLenConstraint: i32,
    dwPathLenConstraint: u32,
    cSubtreesConstraint: u32,
    rgSubtreesConstraint: ?*anyopaque,
};

type
  CRYPT_BIT_BLOB {.bycopy.} = object
    cbData: uint32
    pbData: pointer
    cUnusedBits: uint32

  CERT_BASIC_CONSTRAINTS_INFO {.bycopy.} = object
    SubjectType: CRYPT_BIT_BLOB
    fPathLenConstraint: int32
    dwPathLenConstraint: uint32
    cSubtreesConstraint: uint32
    rgSubtreesConstraint: pointer

struct CRYPT_BIT_BLOB
{
    uint cbData;
    void* pbData;
    uint cUnusedBits;
}

struct CERT_BASIC_CONSTRAINTS_INFO
{
    CRYPT_BIT_BLOB SubjectType;
    int fPathLenConstraint;
    uint dwPathLenConstraint;
    uint cSubtreesConstraint;
    void* rgSubtreesConstraint;
}