NSP_ROUTINE

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct NSP_ROUTINE
{
    public uint cbSize;
    public uint dwMajorVersion;
    public uint dwMinorVersion;
    public IntPtr NSPCleanup;
    public IntPtr NSPLookupServiceBegin;
    public IntPtr NSPLookupServiceNext;
    public IntPtr NSPLookupServiceEnd;
    public IntPtr NSPSetService;
    public IntPtr NSPInstallServiceClass;
    public IntPtr NSPRemoveServiceClass;
    public IntPtr NSPGetServiceClassInfo;
    public IntPtr NSPIoctl;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure NSP_ROUTINE
    Public cbSize As UInteger
    Public dwMajorVersion As UInteger
    Public dwMinorVersion As UInteger
    Public NSPCleanup As IntPtr
    Public NSPLookupServiceBegin As IntPtr
    Public NSPLookupServiceNext As IntPtr
    Public NSPLookupServiceEnd As IntPtr
    Public NSPSetService As IntPtr
    Public NSPInstallServiceClass As IntPtr
    Public NSPRemoveServiceClass As IntPtr
    Public NSPGetServiceClassInfo As IntPtr
    Public NSPIoctl As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class NSP_ROUTINE(ctypes.Structure):
    _fields_ = [
        ("cbSize", wintypes.DWORD),
        ("dwMajorVersion", wintypes.DWORD),
        ("dwMinorVersion", wintypes.DWORD),
        ("NSPCleanup", ctypes.c_void_p),
        ("NSPLookupServiceBegin", ctypes.c_void_p),
        ("NSPLookupServiceNext", ctypes.c_void_p),
        ("NSPLookupServiceEnd", ctypes.c_void_p),
        ("NSPSetService", ctypes.c_void_p),
        ("NSPInstallServiceClass", ctypes.c_void_p),
        ("NSPRemoveServiceClass", ctypes.c_void_p),
        ("NSPGetServiceClassInfo", ctypes.c_void_p),
        ("NSPIoctl", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct NSP_ROUTINE {
    pub cbSize: u32,
    pub dwMajorVersion: u32,
    pub dwMinorVersion: u32,
    pub NSPCleanup: *mut core::ffi::c_void,
    pub NSPLookupServiceBegin: *mut core::ffi::c_void,
    pub NSPLookupServiceNext: *mut core::ffi::c_void,
    pub NSPLookupServiceEnd: *mut core::ffi::c_void,
    pub NSPSetService: *mut core::ffi::c_void,
    pub NSPInstallServiceClass: *mut core::ffi::c_void,
    pub NSPRemoveServiceClass: *mut core::ffi::c_void,
    pub NSPGetServiceClassInfo: *mut core::ffi::c_void,
    pub NSPIoctl: *mut core::ffi::c_void,
}

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

type NSP_ROUTINE struct {
	cbSize uint32
	dwMajorVersion uint32
	dwMinorVersion uint32
	NSPCleanup uintptr
	NSPLookupServiceBegin uintptr
	NSPLookupServiceNext uintptr
	NSPLookupServiceEnd uintptr
	NSPSetService uintptr
	NSPInstallServiceClass uintptr
	NSPRemoveServiceClass uintptr
	NSPGetServiceClassInfo uintptr
	NSPIoctl uintptr
}

type
  NSP_ROUTINE = record
    cbSize: DWORD;
    dwMajorVersion: DWORD;
    dwMinorVersion: DWORD;
    NSPCleanup: Pointer;
    NSPLookupServiceBegin: Pointer;
    NSPLookupServiceNext: Pointer;
    NSPLookupServiceEnd: Pointer;
    NSPSetService: Pointer;
    NSPInstallServiceClass: Pointer;
    NSPRemoveServiceClass: Pointer;
    NSPGetServiceClassInfo: Pointer;
    NSPIoctl: Pointer;
  end;

const NSP_ROUTINE = extern struct {
    cbSize: u32,
    dwMajorVersion: u32,
    dwMinorVersion: u32,
    NSPCleanup: ?*anyopaque,
    NSPLookupServiceBegin: ?*anyopaque,
    NSPLookupServiceNext: ?*anyopaque,
    NSPLookupServiceEnd: ?*anyopaque,
    NSPSetService: ?*anyopaque,
    NSPInstallServiceClass: ?*anyopaque,
    NSPRemoveServiceClass: ?*anyopaque,
    NSPGetServiceClassInfo: ?*anyopaque,
    NSPIoctl: ?*anyopaque,
};

type
  NSP_ROUTINE {.bycopy.} = object
    cbSize: uint32
    dwMajorVersion: uint32
    dwMinorVersion: uint32
    NSPCleanup: pointer
    NSPLookupServiceBegin: pointer
    NSPLookupServiceNext: pointer
    NSPLookupServiceEnd: pointer
    NSPSetService: pointer
    NSPInstallServiceClass: pointer
    NSPRemoveServiceClass: pointer
    NSPGetServiceClassInfo: pointer
    NSPIoctl: pointer

struct NSP_ROUTINE
{
    uint cbSize;
    uint dwMajorVersion;
    uint dwMinorVersion;
    void* NSPCleanup;
    void* NSPLookupServiceBegin;
    void* NSPLookupServiceNext;
    void* NSPLookupServiceEnd;
    void* NSPSetService;
    void* NSPInstallServiceClass;
    void* NSPRemoveServiceClass;
    void* NSPGetServiceClassInfo;
    void* NSPIoctl;
}