UTextFuncs

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct UTextFuncs
{
    public int tableSize;
    public int reserved1;
    public int reserved2;
    public int reserved3;
    public IntPtr clone;
    public IntPtr nativeLength;
    public IntPtr access;
    public IntPtr extract;
    public IntPtr replace;
    public IntPtr copy;
    public IntPtr mapOffsetToNative;
    public IntPtr mapNativeIndexToUTF16;
    public IntPtr close;
    public IntPtr spare1;
    public IntPtr spare2;
    public IntPtr spare3;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure UTextFuncs
    Public tableSize As Integer
    Public reserved1 As Integer
    Public reserved2 As Integer
    Public reserved3 As Integer
    Public clone As IntPtr
    Public nativeLength As IntPtr
    Public access As IntPtr
    Public extract As IntPtr
    Public replace As IntPtr
    Public copy As IntPtr
    Public mapOffsetToNative As IntPtr
    Public mapNativeIndexToUTF16 As IntPtr
    Public close As IntPtr
    Public spare1 As IntPtr
    Public spare2 As IntPtr
    Public spare3 As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class UTextFuncs(ctypes.Structure):
    _fields_ = [
        ("tableSize", ctypes.c_int),
        ("reserved1", ctypes.c_int),
        ("reserved2", ctypes.c_int),
        ("reserved3", ctypes.c_int),
        ("clone", ctypes.c_void_p),
        ("nativeLength", ctypes.c_void_p),
        ("access", ctypes.c_void_p),
        ("extract", ctypes.c_void_p),
        ("replace", ctypes.c_void_p),
        ("copy", ctypes.c_void_p),
        ("mapOffsetToNative", ctypes.c_void_p),
        ("mapNativeIndexToUTF16", ctypes.c_void_p),
        ("close", ctypes.c_void_p),
        ("spare1", ctypes.c_void_p),
        ("spare2", ctypes.c_void_p),
        ("spare3", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct UTextFuncs {
    pub tableSize: i32,
    pub reserved1: i32,
    pub reserved2: i32,
    pub reserved3: i32,
    pub clone: *mut core::ffi::c_void,
    pub nativeLength: *mut core::ffi::c_void,
    pub access: *mut core::ffi::c_void,
    pub extract: *mut core::ffi::c_void,
    pub replace: *mut core::ffi::c_void,
    pub copy: *mut core::ffi::c_void,
    pub mapOffsetToNative: *mut core::ffi::c_void,
    pub mapNativeIndexToUTF16: *mut core::ffi::c_void,
    pub close: *mut core::ffi::c_void,
    pub spare1: *mut core::ffi::c_void,
    pub spare2: *mut core::ffi::c_void,
    pub spare3: *mut core::ffi::c_void,
}

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

type UTextFuncs struct {
	tableSize int32
	reserved1 int32
	reserved2 int32
	reserved3 int32
	clone uintptr
	nativeLength uintptr
	access uintptr
	extract uintptr
	replace uintptr
	copy uintptr
	mapOffsetToNative uintptr
	mapNativeIndexToUTF16 uintptr
	close uintptr
	spare1 uintptr
	spare2 uintptr
	spare3 uintptr
}

type
  UTextFuncs = record
    tableSize: Integer;
    reserved1: Integer;
    reserved2: Integer;
    reserved3: Integer;
    clone: Pointer;
    nativeLength: Pointer;
    access: Pointer;
    extract: Pointer;
    replace: Pointer;
    copy: Pointer;
    mapOffsetToNative: Pointer;
    mapNativeIndexToUTF16: Pointer;
    close: Pointer;
    spare1: Pointer;
    spare2: Pointer;
    spare3: Pointer;
  end;

const UTextFuncs = extern struct {
    tableSize: i32,
    reserved1: i32,
    reserved2: i32,
    reserved3: i32,
    clone: ?*anyopaque,
    nativeLength: ?*anyopaque,
    access: ?*anyopaque,
    extract: ?*anyopaque,
    replace: ?*anyopaque,
    copy: ?*anyopaque,
    mapOffsetToNative: ?*anyopaque,
    mapNativeIndexToUTF16: ?*anyopaque,
    close: ?*anyopaque,
    spare1: ?*anyopaque,
    spare2: ?*anyopaque,
    spare3: ?*anyopaque,
};

type
  UTextFuncs {.bycopy.} = object
    tableSize: int32
    reserved1: int32
    reserved2: int32
    reserved3: int32
    clone: pointer
    nativeLength: pointer
    access: pointer
    extract: pointer
    replace: pointer
    copy: pointer
    mapOffsetToNative: pointer
    mapNativeIndexToUTF16: pointer
    close: pointer
    spare1: pointer
    spare2: pointer
    spare3: pointer

struct UTextFuncs
{
    int tableSize;
    int reserved1;
    int reserved2;
    int reserved3;
    void* clone;
    void* nativeLength;
    void* access;
    void* extract;
    void* replace;
    void* copy;
    void* mapOffsetToNative;
    void* mapNativeIndexToUTF16;
    void* close;
    void* spare1;
    void* spare2;
    void* spare3;
}