BYTE_BLOB

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct BYTE_BLOB
{
    public uint clSize;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)] public byte[] abData;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure BYTE_BLOB
    Public clSize As UInteger
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public abData() As Byte
End Structure

import ctypes
from ctypes import wintypes

class BYTE_BLOB(ctypes.Structure):
    _fields_ = [
        ("clSize", wintypes.DWORD),
        ("abData", ctypes.c_ubyte * 1),
    ]

#[repr(C)]
pub struct BYTE_BLOB {
    pub clSize: u32,
    pub abData: [u8; 1],
}

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

type BYTE_BLOB struct {
	clSize uint32
	abData [1]byte
}

type
  BYTE_BLOB = record
    clSize: DWORD;
    abData: array[0..0] of Byte;
  end;

const BYTE_BLOB = extern struct {
    clSize: u32,
    abData: [1]u8,
};

type
  BYTE_BLOB {.bycopy.} = object
    clSize: uint32
    abData: array[1, uint8]

struct BYTE_BLOB
{
    uint clSize;
    ubyte[1] abData;
}