CCINFOW

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct CCINFOW
{
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)] public string szClass;
    public uint flOptions;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)] public string szDesc;
    public uint cxDefault;
    public uint cyDefault;
    public uint flStyleDefault;
    public uint flExtStyleDefault;
    public uint flCtrlTypeMask;
    public int cStyleFlags;
    public IntPtr aStyleFlags;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)] public string szTextDefault;
    public IntPtr lpfnStyle;
    public IntPtr lpfnSizeToText;
    public uint dwReserved1;
    public uint dwReserved2;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure CCINFOW
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=32)> Public szClass As String
    Public flOptions As UInteger
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=32)> Public szDesc As String
    Public cxDefault As UInteger
    Public cyDefault As UInteger
    Public flStyleDefault As UInteger
    Public flExtStyleDefault As UInteger
    Public flCtrlTypeMask As UInteger
    Public cStyleFlags As Integer
    Public aStyleFlags As IntPtr
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=256)> Public szTextDefault As String
    Public lpfnStyle As IntPtr
    Public lpfnSizeToText As IntPtr
    Public dwReserved1 As UInteger
    Public dwReserved2 As UInteger
End Structure

import ctypes
from ctypes import wintypes

class CCINFOW(ctypes.Structure):
    _fields_ = [
        ("szClass", ctypes.c_wchar * 32),
        ("flOptions", wintypes.DWORD),
        ("szDesc", ctypes.c_wchar * 32),
        ("cxDefault", wintypes.DWORD),
        ("cyDefault", wintypes.DWORD),
        ("flStyleDefault", wintypes.DWORD),
        ("flExtStyleDefault", wintypes.DWORD),
        ("flCtrlTypeMask", wintypes.DWORD),
        ("cStyleFlags", ctypes.c_int),
        ("aStyleFlags", ctypes.c_void_p),
        ("szTextDefault", ctypes.c_wchar * 256),
        ("lpfnStyle", ctypes.c_void_p),
        ("lpfnSizeToText", ctypes.c_void_p),
        ("dwReserved1", wintypes.DWORD),
        ("dwReserved2", wintypes.DWORD),
    ]

#[repr(C)]
pub struct CCINFOW {
    pub szClass: [u16; 32],
    pub flOptions: u32,
    pub szDesc: [u16; 32],
    pub cxDefault: u32,
    pub cyDefault: u32,
    pub flStyleDefault: u32,
    pub flExtStyleDefault: u32,
    pub flCtrlTypeMask: u32,
    pub cStyleFlags: i32,
    pub aStyleFlags: *mut core::ffi::c_void,
    pub szTextDefault: [u16; 256],
    pub lpfnStyle: *mut core::ffi::c_void,
    pub lpfnSizeToText: *mut core::ffi::c_void,
    pub dwReserved1: u32,
    pub dwReserved2: u32,
}

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

type CCINFOW struct {
	szClass [32]uint16
	flOptions uint32
	szDesc [32]uint16
	cxDefault uint32
	cyDefault uint32
	flStyleDefault uint32
	flExtStyleDefault uint32
	flCtrlTypeMask uint32
	cStyleFlags int32
	aStyleFlags uintptr
	szTextDefault [256]uint16
	lpfnStyle uintptr
	lpfnSizeToText uintptr
	dwReserved1 uint32
	dwReserved2 uint32
}

type
  CCINFOW = record
    szClass: array[0..31] of WideChar;
    flOptions: DWORD;
    szDesc: array[0..31] of WideChar;
    cxDefault: DWORD;
    cyDefault: DWORD;
    flStyleDefault: DWORD;
    flExtStyleDefault: DWORD;
    flCtrlTypeMask: DWORD;
    cStyleFlags: Integer;
    aStyleFlags: Pointer;
    szTextDefault: array[0..255] of WideChar;
    lpfnStyle: Pointer;
    lpfnSizeToText: Pointer;
    dwReserved1: DWORD;
    dwReserved2: DWORD;
  end;

const CCINFOW = extern struct {
    szClass: [32]u16,
    flOptions: u32,
    szDesc: [32]u16,
    cxDefault: u32,
    cyDefault: u32,
    flStyleDefault: u32,
    flExtStyleDefault: u32,
    flCtrlTypeMask: u32,
    cStyleFlags: i32,
    aStyleFlags: ?*anyopaque,
    szTextDefault: [256]u16,
    lpfnStyle: ?*anyopaque,
    lpfnSizeToText: ?*anyopaque,
    dwReserved1: u32,
    dwReserved2: u32,
};

type
  CCINFOW {.bycopy.} = object
    szClass: array[32, uint16]
    flOptions: uint32
    szDesc: array[32, uint16]
    cxDefault: uint32
    cyDefault: uint32
    flStyleDefault: uint32
    flExtStyleDefault: uint32
    flCtrlTypeMask: uint32
    cStyleFlags: int32
    aStyleFlags: pointer
    szTextDefault: array[256, uint16]
    lpfnStyle: pointer
    lpfnSizeToText: pointer
    dwReserved1: uint32
    dwReserved2: uint32

struct CCINFOW
{
    wchar[32] szClass;
    uint flOptions;
    wchar[32] szDesc;
    uint cxDefault;
    uint cyDefault;
    uint flStyleDefault;
    uint flExtStyleDefault;
    uint flCtrlTypeMask;
    int cStyleFlags;
    void* aStyleFlags;
    wchar[256] szTextDefault;
    void* lpfnStyle;
    void* lpfnSizeToText;
    uint dwReserved1;
    uint dwReserved2;
}