ERF

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct ERF
{
    public int erfOper;
    public int erfType;
    [MarshalAs(UnmanagedType.Bool)] public bool fError;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure ERF
    Public erfOper As Integer
    Public erfType As Integer
    <MarshalAs(UnmanagedType.Bool)> Public fError As Boolean
End Structure

import ctypes
from ctypes import wintypes

class ERF(ctypes.Structure):
    _fields_ = [
        ("erfOper", ctypes.c_int),
        ("erfType", ctypes.c_int),
        ("fError", wintypes.BOOL),
    ]

#[repr(C)]
pub struct ERF {
    pub erfOper: i32,
    pub erfType: i32,
    pub fError: i32,
}

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

type ERF struct {
	erfOper int32
	erfType int32
	fError int32
}

type
  ERF = record
    erfOper: Integer;
    erfType: Integer;
    fError: BOOL;
  end;

const ERF = extern struct {
    erfOper: i32,
    erfType: i32,
    fError: i32,
};

type
  ERF {.bycopy.} = object
    erfOper: int32
    erfType: int32
    fError: int32

struct ERF
{
    int erfOper;
    int erfType;
    int fError;
}