I_RpcProxyCallbackInterface

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct I_RpcProxyCallbackInterface
{
    public IntPtr IsValidMachineFn;
    public IntPtr GetClientAddressFn;
    public IntPtr GetConnectionTimeoutFn;
    public IntPtr PerformCalloutFn;
    public IntPtr FreeCalloutStateFn;
    public IntPtr GetClientSessionAndResourceUUIDFn;
    public IntPtr ProxyFilterIfFn;
    public IntPtr RpcProxyUpdatePerfCounterFn;
    public IntPtr RpcProxyUpdatePerfCounterBackendServerFn;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure I_RpcProxyCallbackInterface
    Public IsValidMachineFn As IntPtr
    Public GetClientAddressFn As IntPtr
    Public GetConnectionTimeoutFn As IntPtr
    Public PerformCalloutFn As IntPtr
    Public FreeCalloutStateFn As IntPtr
    Public GetClientSessionAndResourceUUIDFn As IntPtr
    Public ProxyFilterIfFn As IntPtr
    Public RpcProxyUpdatePerfCounterFn As IntPtr
    Public RpcProxyUpdatePerfCounterBackendServerFn As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class I_RpcProxyCallbackInterface(ctypes.Structure):
    _fields_ = [
        ("IsValidMachineFn", ctypes.c_void_p),
        ("GetClientAddressFn", ctypes.c_void_p),
        ("GetConnectionTimeoutFn", ctypes.c_void_p),
        ("PerformCalloutFn", ctypes.c_void_p),
        ("FreeCalloutStateFn", ctypes.c_void_p),
        ("GetClientSessionAndResourceUUIDFn", ctypes.c_void_p),
        ("ProxyFilterIfFn", ctypes.c_void_p),
        ("RpcProxyUpdatePerfCounterFn", ctypes.c_void_p),
        ("RpcProxyUpdatePerfCounterBackendServerFn", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct I_RpcProxyCallbackInterface {
    pub IsValidMachineFn: *mut core::ffi::c_void,
    pub GetClientAddressFn: *mut core::ffi::c_void,
    pub GetConnectionTimeoutFn: *mut core::ffi::c_void,
    pub PerformCalloutFn: *mut core::ffi::c_void,
    pub FreeCalloutStateFn: *mut core::ffi::c_void,
    pub GetClientSessionAndResourceUUIDFn: *mut core::ffi::c_void,
    pub ProxyFilterIfFn: *mut core::ffi::c_void,
    pub RpcProxyUpdatePerfCounterFn: *mut core::ffi::c_void,
    pub RpcProxyUpdatePerfCounterBackendServerFn: *mut core::ffi::c_void,
}

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

type I_RpcProxyCallbackInterface struct {
	IsValidMachineFn uintptr
	GetClientAddressFn uintptr
	GetConnectionTimeoutFn uintptr
	PerformCalloutFn uintptr
	FreeCalloutStateFn uintptr
	GetClientSessionAndResourceUUIDFn uintptr
	ProxyFilterIfFn uintptr
	RpcProxyUpdatePerfCounterFn uintptr
	RpcProxyUpdatePerfCounterBackendServerFn uintptr
}

type
  I_RpcProxyCallbackInterface = record
    IsValidMachineFn: Pointer;
    GetClientAddressFn: Pointer;
    GetConnectionTimeoutFn: Pointer;
    PerformCalloutFn: Pointer;
    FreeCalloutStateFn: Pointer;
    GetClientSessionAndResourceUUIDFn: Pointer;
    ProxyFilterIfFn: Pointer;
    RpcProxyUpdatePerfCounterFn: Pointer;
    RpcProxyUpdatePerfCounterBackendServerFn: Pointer;
  end;

const I_RpcProxyCallbackInterface = extern struct {
    IsValidMachineFn: ?*anyopaque,
    GetClientAddressFn: ?*anyopaque,
    GetConnectionTimeoutFn: ?*anyopaque,
    PerformCalloutFn: ?*anyopaque,
    FreeCalloutStateFn: ?*anyopaque,
    GetClientSessionAndResourceUUIDFn: ?*anyopaque,
    ProxyFilterIfFn: ?*anyopaque,
    RpcProxyUpdatePerfCounterFn: ?*anyopaque,
    RpcProxyUpdatePerfCounterBackendServerFn: ?*anyopaque,
};

type
  I_RpcProxyCallbackInterface {.bycopy.} = object
    IsValidMachineFn: pointer
    GetClientAddressFn: pointer
    GetConnectionTimeoutFn: pointer
    PerformCalloutFn: pointer
    FreeCalloutStateFn: pointer
    GetClientSessionAndResourceUUIDFn: pointer
    ProxyFilterIfFn: pointer
    RpcProxyUpdatePerfCounterFn: pointer
    RpcProxyUpdatePerfCounterBackendServerFn: pointer

struct I_RpcProxyCallbackInterface
{
    void* IsValidMachineFn;
    void* GetClientAddressFn;
    void* GetConnectionTimeoutFn;
    void* PerformCalloutFn;
    void* FreeCalloutStateFn;
    void* GetClientSessionAndResourceUUIDFn;
    void* ProxyFilterIfFn;
    void* RpcProxyUpdatePerfCounterFn;
    void* RpcProxyUpdatePerfCounterBackendServerFn;
}