SECPKG_APP_MODE_INFO

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SecBuffer
{
    public uint cbBuffer;
    public uint BufferType;
    public IntPtr pvBuffer;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SECPKG_APP_MODE_INFO
{
    public uint UserFunction;
    public UIntPtr Argument1;
    public UIntPtr Argument2;
    public SecBuffer UserData;
    [MarshalAs(UnmanagedType.U1)] public bool ReturnToLsa;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SecBuffer
    Public cbBuffer As UInteger
    Public BufferType As UInteger
    Public pvBuffer As IntPtr
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SECPKG_APP_MODE_INFO
    Public UserFunction As UInteger
    Public Argument1 As UIntPtr
    Public Argument2 As UIntPtr
    Public UserData As SecBuffer
    <MarshalAs(UnmanagedType.U1)> Public ReturnToLsa As Boolean
End Structure

import ctypes
from ctypes import wintypes

class SecBuffer(ctypes.Structure):
    _fields_ = [
        ("cbBuffer", wintypes.DWORD),
        ("BufferType", wintypes.DWORD),
        ("pvBuffer", ctypes.c_void_p),
    ]

class SECPKG_APP_MODE_INFO(ctypes.Structure):
    _fields_ = [
        ("UserFunction", wintypes.DWORD),
        ("Argument1", ctypes.c_size_t),
        ("Argument2", ctypes.c_size_t),
        ("UserData", SecBuffer),
        ("ReturnToLsa", ctypes.c_byte),
    ]

#[repr(C)]
pub struct SecBuffer {
    pub cbBuffer: u32,
    pub BufferType: u32,
    pub pvBuffer: *mut core::ffi::c_void,
}

#[repr(C)]
pub struct SECPKG_APP_MODE_INFO {
    pub UserFunction: u32,
    pub Argument1: usize,
    pub Argument2: usize,
    pub UserData: SecBuffer,
    pub ReturnToLsa: u8,
}

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

type SecBuffer struct {
	cbBuffer uint32
	BufferType uint32
	pvBuffer uintptr
}

type SECPKG_APP_MODE_INFO struct {
	UserFunction uint32
	Argument1 uintptr
	Argument2 uintptr
	UserData SecBuffer
	ReturnToLsa byte
}

type
  SecBuffer = record
    cbBuffer: DWORD;
    BufferType: DWORD;
    pvBuffer: Pointer;
  end;

  SECPKG_APP_MODE_INFO = record
    UserFunction: DWORD;
    Argument1: NativeUInt;
    Argument2: NativeUInt;
    UserData: SecBuffer;
    ReturnToLsa: ByteBool;
  end;

const SecBuffer = extern struct {
    cbBuffer: u32,
    BufferType: u32,
    pvBuffer: ?*anyopaque,
};

const SECPKG_APP_MODE_INFO = extern struct {
    UserFunction: u32,
    Argument1: usize,
    Argument2: usize,
    UserData: SecBuffer,
    ReturnToLsa: u8,
};

type
  SecBuffer {.bycopy.} = object
    cbBuffer: uint32
    BufferType: uint32
    pvBuffer: pointer

  SECPKG_APP_MODE_INFO {.bycopy.} = object
    UserFunction: uint32
    Argument1: uint
    Argument2: uint
    UserData: SecBuffer
    ReturnToLsa: uint8

struct SecBuffer
{
    uint cbBuffer;
    uint BufferType;
    void* pvBuffer;
}

struct SECPKG_APP_MODE_INFO
{
    uint UserFunction;
    size_t Argument1;
    size_t Argument2;
    SecBuffer UserData;
    ubyte ReturnToLsa;
}