SYSTEM_BASIC_INFORMATION

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SYSTEM_BASIC_INFORMATION
{
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24)] public byte[] Reserved1;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)] public IntPtr[] Reserved2;
    public sbyte NumberOfProcessors;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SYSTEM_BASIC_INFORMATION
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=24)> Public Reserved1() As Byte
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=4)> Public Reserved2() As IntPtr
    Public NumberOfProcessors As SByte
End Structure

import ctypes
from ctypes import wintypes

class SYSTEM_BASIC_INFORMATION(ctypes.Structure):
    _fields_ = [
        ("Reserved1", ctypes.c_ubyte * 24),
        ("Reserved2", ctypes.c_void_p * 4),
        ("NumberOfProcessors", ctypes.c_byte),
    ]

#[repr(C)]
pub struct SYSTEM_BASIC_INFORMATION {
    pub Reserved1: [u8; 24],
    pub Reserved2: [*mut core::ffi::c_void; 4],
    pub NumberOfProcessors: i8,
}

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

type SYSTEM_BASIC_INFORMATION struct {
	Reserved1 [24]byte
	Reserved2 [4]uintptr
	NumberOfProcessors int8
}

type
  SYSTEM_BASIC_INFORMATION = record
    Reserved1: array[0..23] of Byte;
    Reserved2: array[0..3] of Pointer;
    NumberOfProcessors: Shortint;
  end;

const SYSTEM_BASIC_INFORMATION = extern struct {
    Reserved1: [24]u8,
    Reserved2: [4]?*anyopaque,
    NumberOfProcessors: i8,
};

type
  SYSTEM_BASIC_INFORMATION {.bycopy.} = object
    Reserved1: array[24, uint8]
    Reserved2: array[4, pointer]
    NumberOfProcessors: int8

struct SYSTEM_BASIC_INFORMATION
{
    ubyte[24] Reserved1;
    void*[4] Reserved2;
    byte NumberOfProcessors;
}