IcmpSendEcho2Ex

// IPHLPAPI.dll
#include <windows.h>

DWORD IcmpSendEcho2Ex(
    HANDLE IcmpHandle,
    HANDLE Event,   // optional
    PIO_APC_ROUTINE ApcRoutine,   // optional
    void* ApcContext,   // optional
    DWORD SourceAddress,
    DWORD DestinationAddress,
    void* RequestData,
    WORD RequestSize,
    IP_OPTION_INFORMATION* RequestOptions,   // optional
    void* ReplyBuffer,
    DWORD ReplySize,
    DWORD Timeout
);

<DllImport("IPHLPAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function IcmpSendEcho2Ex(
    IcmpHandle As IntPtr,   ' HANDLE
    [Event] As IntPtr,   ' HANDLE optional
    ApcRoutine As IntPtr,   ' PIO_APC_ROUTINE optional
    ApcContext As IntPtr,   ' void* optional
    SourceAddress As UInteger,   ' DWORD
    DestinationAddress As UInteger,   ' DWORD
    RequestData As IntPtr,   ' void*
    RequestSize As UShort,   ' WORD
    RequestOptions As IntPtr,   ' IP_OPTION_INFORMATION* optional
    ReplyBuffer As IntPtr,   ' void* out
    ReplySize As UInteger,   ' DWORD
    Timeout As UInteger   ' DWORD
) As UInteger
End Function

' IcmpHandle : HANDLE
' Event : HANDLE optional
' ApcRoutine : PIO_APC_ROUTINE optional
' ApcContext : void* optional
' SourceAddress : DWORD
' DestinationAddress : DWORD
' RequestData : void*
' RequestSize : WORD
' RequestOptions : IP_OPTION_INFORMATION* optional
' ReplyBuffer : void* out
' ReplySize : DWORD
' Timeout : DWORD
Declare PtrSafe Function IcmpSendEcho2Ex Lib "iphlpapi" ( _
    ByVal IcmpHandle As LongPtr, _
    ByVal Event As LongPtr, _
    ByVal ApcRoutine As LongPtr, _
    ByVal ApcContext As LongPtr, _
    ByVal SourceAddress As Long, _
    ByVal DestinationAddress As Long, _
    ByVal RequestData As LongPtr, _
    ByVal RequestSize As Integer, _
    ByVal RequestOptions As LongPtr, _
    ByVal ReplyBuffer As LongPtr, _
    ByVal ReplySize As Long, _
    ByVal Timeout As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

IcmpSendEcho2Ex = ctypes.windll.iphlpapi.IcmpSendEcho2Ex
IcmpSendEcho2Ex.restype = wintypes.DWORD
IcmpSendEcho2Ex.argtypes = [
    wintypes.HANDLE,  # IcmpHandle : HANDLE
    wintypes.HANDLE,  # Event : HANDLE optional
    ctypes.c_void_p,  # ApcRoutine : PIO_APC_ROUTINE optional
    ctypes.POINTER(None),  # ApcContext : void* optional
    wintypes.DWORD,  # SourceAddress : DWORD
    wintypes.DWORD,  # DestinationAddress : DWORD
    ctypes.POINTER(None),  # RequestData : void*
    ctypes.c_ushort,  # RequestSize : WORD
    ctypes.c_void_p,  # RequestOptions : IP_OPTION_INFORMATION* optional
    ctypes.POINTER(None),  # ReplyBuffer : void* out
    wintypes.DWORD,  # ReplySize : DWORD
    wintypes.DWORD,  # Timeout : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
IcmpSendEcho2Ex = Fiddle::Function.new(
  lib['IcmpSendEcho2Ex'],
  [
    Fiddle::TYPE_VOIDP,  # IcmpHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # Event : HANDLE optional
    Fiddle::TYPE_VOIDP,  # ApcRoutine : PIO_APC_ROUTINE optional
    Fiddle::TYPE_VOIDP,  # ApcContext : void* optional
    -Fiddle::TYPE_INT,  # SourceAddress : DWORD
    -Fiddle::TYPE_INT,  # DestinationAddress : DWORD
    Fiddle::TYPE_VOIDP,  # RequestData : void*
    -Fiddle::TYPE_SHORT,  # RequestSize : WORD
    Fiddle::TYPE_VOIDP,  # RequestOptions : IP_OPTION_INFORMATION* optional
    Fiddle::TYPE_VOIDP,  # ReplyBuffer : void* out
    -Fiddle::TYPE_INT,  # ReplySize : DWORD
    -Fiddle::TYPE_INT,  # Timeout : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn IcmpSendEcho2Ex(
        IcmpHandle: *mut core::ffi::c_void,  // HANDLE
        Event: *mut core::ffi::c_void,  // HANDLE optional
        ApcRoutine: *const core::ffi::c_void,  // PIO_APC_ROUTINE optional
        ApcContext: *mut (),  // void* optional
        SourceAddress: u32,  // DWORD
        DestinationAddress: u32,  // DWORD
        RequestData: *mut (),  // void*
        RequestSize: u16,  // WORD
        RequestOptions: *mut IP_OPTION_INFORMATION,  // IP_OPTION_INFORMATION* optional
        ReplyBuffer: *mut (),  // void* out
        ReplySize: u32,  // DWORD
        Timeout: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("IPHLPAPI.dll", SetLastError = true)]
public static extern uint IcmpSendEcho2Ex(IntPtr IcmpHandle, IntPtr Event, IntPtr ApcRoutine, IntPtr ApcContext, uint SourceAddress, uint DestinationAddress, IntPtr RequestData, ushort RequestSize, IntPtr RequestOptions, IntPtr ReplyBuffer, uint ReplySize, uint Timeout);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IPHLPAPI_IcmpSendEcho2Ex' -Namespace Win32 -PassThru
# $api::IcmpSendEcho2Ex(IcmpHandle, Event, ApcRoutine, ApcContext, SourceAddress, DestinationAddress, RequestData, RequestSize, RequestOptions, ReplyBuffer, ReplySize, Timeout)

#uselib "IPHLPAPI.dll"
#func global IcmpSendEcho2Ex "IcmpSendEcho2Ex" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; IcmpSendEcho2Ex IcmpHandle, Event, ApcRoutine, ApcContext, SourceAddress, DestinationAddress, RequestData, RequestSize, varptr(RequestOptions), ReplyBuffer, ReplySize, Timeout   ; 戻り値は stat
; IcmpHandle : HANDLE -> "sptr"
; Event : HANDLE optional -> "sptr"
; ApcRoutine : PIO_APC_ROUTINE optional -> "sptr"
; ApcContext : void* optional -> "sptr"
; SourceAddress : DWORD -> "sptr"
; DestinationAddress : DWORD -> "sptr"
; RequestData : void* -> "sptr"
; RequestSize : WORD -> "sptr"
; RequestOptions : IP_OPTION_INFORMATION* optional -> "sptr"
; ReplyBuffer : void* out -> "sptr"
; ReplySize : DWORD -> "sptr"
; Timeout : DWORD -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procIcmpSendEcho2Ex = iphlpapi.NewProc("IcmpSendEcho2Ex")
)

// IcmpHandle (HANDLE), Event (HANDLE optional), ApcRoutine (PIO_APC_ROUTINE optional), ApcContext (void* optional), SourceAddress (DWORD), DestinationAddress (DWORD), RequestData (void*), RequestSize (WORD), RequestOptions (IP_OPTION_INFORMATION* optional), ReplyBuffer (void* out), ReplySize (DWORD), Timeout (DWORD)
r1, _, err := procIcmpSendEcho2Ex.Call(
	uintptr(IcmpHandle),
	uintptr(Event),
	uintptr(ApcRoutine),
	uintptr(ApcContext),
	uintptr(SourceAddress),
	uintptr(DestinationAddress),
	uintptr(RequestData),
	uintptr(RequestSize),
	uintptr(RequestOptions),
	uintptr(ReplyBuffer),
	uintptr(ReplySize),
	uintptr(Timeout),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function IcmpSendEcho2Ex(
  IcmpHandle: THandle;   // HANDLE
  Event: THandle;   // HANDLE optional
  ApcRoutine: Pointer;   // PIO_APC_ROUTINE optional
  ApcContext: Pointer;   // void* optional
  SourceAddress: DWORD;   // DWORD
  DestinationAddress: DWORD;   // DWORD
  RequestData: Pointer;   // void*
  RequestSize: Word;   // WORD
  RequestOptions: Pointer;   // IP_OPTION_INFORMATION* optional
  ReplyBuffer: Pointer;   // void* out
  ReplySize: DWORD;   // DWORD
  Timeout: DWORD   // DWORD
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'IcmpSendEcho2Ex';

result := DllCall("IPHLPAPI\IcmpSendEcho2Ex"
    , "Ptr", IcmpHandle   ; HANDLE
    , "Ptr", Event   ; HANDLE optional
    , "Ptr", ApcRoutine   ; PIO_APC_ROUTINE optional
    , "Ptr", ApcContext   ; void* optional
    , "UInt", SourceAddress   ; DWORD
    , "UInt", DestinationAddress   ; DWORD
    , "Ptr", RequestData   ; void*
    , "UShort", RequestSize   ; WORD
    , "Ptr", RequestOptions   ; IP_OPTION_INFORMATION* optional
    , "Ptr", ReplyBuffer   ; void* out
    , "UInt", ReplySize   ; DWORD
    , "UInt", Timeout   ; DWORD
    , "UInt")   ; return: DWORD

●IcmpSendEcho2Ex(IcmpHandle, Event, ApcRoutine, ApcContext, SourceAddress, DestinationAddress, RequestData, RequestSize, RequestOptions, ReplyBuffer, ReplySize, Timeout) = DLL("IPHLPAPI.dll", "dword IcmpSendEcho2Ex(void*, void*, void*, void*, dword, dword, void*, int, void*, void*, dword, dword)")
# 呼び出し: IcmpSendEcho2Ex(IcmpHandle, Event, ApcRoutine, ApcContext, SourceAddress, DestinationAddress, RequestData, RequestSize, RequestOptions, ReplyBuffer, ReplySize, Timeout)
# IcmpHandle : HANDLE -> "void*"
# Event : HANDLE optional -> "void*"
# ApcRoutine : PIO_APC_ROUTINE optional -> "void*"
# ApcContext : void* optional -> "void*"
# SourceAddress : DWORD -> "dword"
# DestinationAddress : DWORD -> "dword"
# RequestData : void* -> "void*"
# RequestSize : WORD -> "int"
# RequestOptions : IP_OPTION_INFORMATION* optional -> "void*"
# ReplyBuffer : void* out -> "void*"
# ReplySize : DWORD -> "dword"
# Timeout : DWORD -> "dword"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "iphlpapi" fn IcmpSendEcho2Ex(
    IcmpHandle: ?*anyopaque, // HANDLE
    Event: ?*anyopaque, // HANDLE optional
    ApcRoutine: ?*anyopaque, // PIO_APC_ROUTINE optional
    ApcContext: ?*anyopaque, // void* optional
    SourceAddress: u32, // DWORD
    DestinationAddress: u32, // DWORD
    RequestData: ?*anyopaque, // void*
    RequestSize: u16, // WORD
    RequestOptions: [*c]IP_OPTION_INFORMATION, // IP_OPTION_INFORMATION* optional
    ReplyBuffer: ?*anyopaque, // void* out
    ReplySize: u32, // DWORD
    Timeout: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;

proc IcmpSendEcho2Ex(
    IcmpHandle: pointer,  # HANDLE
    Event: pointer,  # HANDLE optional
    ApcRoutine: pointer,  # PIO_APC_ROUTINE optional
    ApcContext: pointer,  # void* optional
    SourceAddress: uint32,  # DWORD
    DestinationAddress: uint32,  # DWORD
    RequestData: pointer,  # void*
    RequestSize: uint16,  # WORD
    RequestOptions: ptr IP_OPTION_INFORMATION,  # IP_OPTION_INFORMATION* optional
    ReplyBuffer: pointer,  # void* out
    ReplySize: uint32,  # DWORD
    Timeout: uint32  # DWORD
): uint32 {.importc: "IcmpSendEcho2Ex", stdcall, dynlib: "IPHLPAPI.dll".}

pragma(lib, "iphlpapi");
extern(Windows)
uint IcmpSendEcho2Ex(
    void* IcmpHandle,   // HANDLE
    void* Event,   // HANDLE optional
    void* ApcRoutine,   // PIO_APC_ROUTINE optional
    void* ApcContext,   // void* optional
    uint SourceAddress,   // DWORD
    uint DestinationAddress,   // DWORD
    void* RequestData,   // void*
    ushort RequestSize,   // WORD
    IP_OPTION_INFORMATION* RequestOptions,   // IP_OPTION_INFORMATION* optional
    void* ReplyBuffer,   // void* out
    uint ReplySize,   // DWORD
    uint Timeout   // DWORD
);

ccall((:IcmpSendEcho2Ex, "IPHLPAPI.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}, UInt32, UInt32, Ptr{Cvoid}, UInt16, Ptr{IP_OPTION_INFORMATION}, Ptr{Cvoid}, UInt32, UInt32),
      IcmpHandle, Event, ApcRoutine, ApcContext, SourceAddress, DestinationAddress, RequestData, RequestSize, RequestOptions, ReplyBuffer, ReplySize, Timeout)
# IcmpHandle : HANDLE -> Ptr{Cvoid}
# Event : HANDLE optional -> Ptr{Cvoid}
# ApcRoutine : PIO_APC_ROUTINE optional -> Ptr{Cvoid}
# ApcContext : void* optional -> Ptr{Cvoid}
# SourceAddress : DWORD -> UInt32
# DestinationAddress : DWORD -> UInt32
# RequestData : void* -> Ptr{Cvoid}
# RequestSize : WORD -> UInt16
# RequestOptions : IP_OPTION_INFORMATION* optional -> Ptr{IP_OPTION_INFORMATION}
# ReplyBuffer : void* out -> Ptr{Cvoid}
# ReplySize : DWORD -> UInt32
# Timeout : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t IcmpSendEcho2Ex(
    void* IcmpHandle,
    void* Event,
    void* ApcRoutine,
    void* ApcContext,
    uint32_t SourceAddress,
    uint32_t DestinationAddress,
    void* RequestData,
    uint16_t RequestSize,
    void* RequestOptions,
    void* ReplyBuffer,
    uint32_t ReplySize,
    uint32_t Timeout);
]]
local iphlpapi = ffi.load("iphlpapi")
-- iphlpapi.IcmpSendEcho2Ex(IcmpHandle, Event, ApcRoutine, ApcContext, SourceAddress, DestinationAddress, RequestData, RequestSize, RequestOptions, ReplyBuffer, ReplySize, Timeout)
-- IcmpHandle : HANDLE
-- Event : HANDLE optional
-- ApcRoutine : PIO_APC_ROUTINE optional
-- ApcContext : void* optional
-- SourceAddress : DWORD
-- DestinationAddress : DWORD
-- RequestData : void*
-- RequestSize : WORD
-- RequestOptions : IP_OPTION_INFORMATION* optional
-- ReplyBuffer : void* out
-- ReplySize : DWORD
-- Timeout : DWORD
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('IPHLPAPI.dll');
const IcmpSendEcho2Ex = lib.func('__stdcall', 'IcmpSendEcho2Ex', 'uint32_t', ['void *', 'void *', 'void *', 'void *', 'uint32_t', 'uint32_t', 'void *', 'uint16_t', 'void *', 'void *', 'uint32_t', 'uint32_t']);
// IcmpSendEcho2Ex(IcmpHandle, Event, ApcRoutine, ApcContext, SourceAddress, DestinationAddress, RequestData, RequestSize, RequestOptions, ReplyBuffer, ReplySize, Timeout)
// IcmpHandle : HANDLE -> 'void *'
// Event : HANDLE optional -> 'void *'
// ApcRoutine : PIO_APC_ROUTINE optional -> 'void *'
// ApcContext : void* optional -> 'void *'
// SourceAddress : DWORD -> 'uint32_t'
// DestinationAddress : DWORD -> 'uint32_t'
// RequestData : void* -> 'void *'
// RequestSize : WORD -> 'uint16_t'
// RequestOptions : IP_OPTION_INFORMATION* optional -> 'void *'
// ReplyBuffer : void* out -> 'void *'
// ReplySize : DWORD -> 'uint32_t'
// Timeout : DWORD -> 'uint32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。

const lib = Deno.dlopen("IPHLPAPI.dll", {
  IcmpSendEcho2Ex: { parameters: ["pointer", "pointer", "pointer", "pointer", "u32", "u32", "pointer", "u16", "pointer", "pointer", "u32", "u32"], result: "u32" },
});
// lib.symbols.IcmpSendEcho2Ex(IcmpHandle, Event, ApcRoutine, ApcContext, SourceAddress, DestinationAddress, RequestData, RequestSize, RequestOptions, ReplyBuffer, ReplySize, Timeout)
// IcmpHandle : HANDLE -> "pointer"
// Event : HANDLE optional -> "pointer"
// ApcRoutine : PIO_APC_ROUTINE optional -> "pointer"
// ApcContext : void* optional -> "pointer"
// SourceAddress : DWORD -> "u32"
// DestinationAddress : DWORD -> "u32"
// RequestData : void* -> "pointer"
// RequestSize : WORD -> "u16"
// RequestOptions : IP_OPTION_INFORMATION* optional -> "pointer"
// ReplyBuffer : void* out -> "pointer"
// ReplySize : DWORD -> "u32"
// Timeout : DWORD -> "u32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t IcmpSendEcho2Ex(
    void* IcmpHandle,
    void* Event,
    void* ApcRoutine,
    void* ApcContext,
    uint32_t SourceAddress,
    uint32_t DestinationAddress,
    void* RequestData,
    uint16_t RequestSize,
    void* RequestOptions,
    void* ReplyBuffer,
    uint32_t ReplySize,
    uint32_t Timeout);
C, "IPHLPAPI.dll");
// $ffi->IcmpSendEcho2Ex(IcmpHandle, Event, ApcRoutine, ApcContext, SourceAddress, DestinationAddress, RequestData, RequestSize, RequestOptions, ReplyBuffer, ReplySize, Timeout);
// IcmpHandle : HANDLE
// Event : HANDLE optional
// ApcRoutine : PIO_APC_ROUTINE optional
// ApcContext : void* optional
// SourceAddress : DWORD
// DestinationAddress : DWORD
// RequestData : void*
// RequestSize : WORD
// RequestOptions : IP_OPTION_INFORMATION* optional
// ReplyBuffer : void* out
// ReplySize : DWORD
// Timeout : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Iphlpapi extends StdCallLibrary {
    Iphlpapi INSTANCE = Native.load("iphlpapi", Iphlpapi.class);
    int IcmpSendEcho2Ex(
        Pointer IcmpHandle,   // HANDLE
        Pointer Event,   // HANDLE optional
        Callback ApcRoutine,   // PIO_APC_ROUTINE optional
        Pointer ApcContext,   // void* optional
        int SourceAddress,   // DWORD
        int DestinationAddress,   // DWORD
        Pointer RequestData,   // void*
        short RequestSize,   // WORD
        Pointer RequestOptions,   // IP_OPTION_INFORMATION* optional
        Pointer ReplyBuffer,   // void* out
        int ReplySize,   // DWORD
        int Timeout   // DWORD
    );
}

@[Link("iphlpapi")]
lib LibIPHLPAPI
  fun IcmpSendEcho2Ex = IcmpSendEcho2Ex(
    IcmpHandle : Void*,   # HANDLE
    Event : Void*,   # HANDLE optional
    ApcRoutine : Void*,   # PIO_APC_ROUTINE optional
    ApcContext : Void*,   # void* optional
    SourceAddress : UInt32,   # DWORD
    DestinationAddress : UInt32,   # DWORD
    RequestData : Void*,   # void*
    RequestSize : UInt16,   # WORD
    RequestOptions : IP_OPTION_INFORMATION*,   # IP_OPTION_INFORMATION* optional
    ReplyBuffer : Void*,   # void* out
    ReplySize : UInt32,   # DWORD
    Timeout : UInt32   # DWORD
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef IcmpSendEcho2ExNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Uint32, Uint32, Pointer<Void>, Uint16, Pointer<Void>, Pointer<Void>, Uint32, Uint32);
typedef IcmpSendEcho2ExDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>, int, int, Pointer<Void>, int, Pointer<Void>, Pointer<Void>, int, int);
final IcmpSendEcho2Ex = DynamicLibrary.open('IPHLPAPI.dll')
    .lookupFunction<IcmpSendEcho2ExNative, IcmpSendEcho2ExDart>('IcmpSendEcho2Ex');
// IcmpHandle : HANDLE -> Pointer<Void>
// Event : HANDLE optional -> Pointer<Void>
// ApcRoutine : PIO_APC_ROUTINE optional -> Pointer<Void>
// ApcContext : void* optional -> Pointer<Void>
// SourceAddress : DWORD -> Uint32
// DestinationAddress : DWORD -> Uint32
// RequestData : void* -> Pointer<Void>
// RequestSize : WORD -> Uint16
// RequestOptions : IP_OPTION_INFORMATION* optional -> Pointer<Void>
// ReplyBuffer : void* out -> Pointer<Void>
// ReplySize : DWORD -> Uint32
// Timeout : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function IcmpSendEcho2Ex(
  IcmpHandle: THandle;   // HANDLE
  Event: THandle;   // HANDLE optional
  ApcRoutine: Pointer;   // PIO_APC_ROUTINE optional
  ApcContext: Pointer;   // void* optional
  SourceAddress: DWORD;   // DWORD
  DestinationAddress: DWORD;   // DWORD
  RequestData: Pointer;   // void*
  RequestSize: Word;   // WORD
  RequestOptions: Pointer;   // IP_OPTION_INFORMATION* optional
  ReplyBuffer: Pointer;   // void* out
  ReplySize: DWORD;   // DWORD
  Timeout: DWORD   // DWORD
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'IcmpSendEcho2Ex';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "IcmpSendEcho2Ex"
  c_IcmpSendEcho2Ex :: Ptr () -> Ptr () -> Ptr () -> Ptr () -> Word32 -> Word32 -> Ptr () -> Word16 -> Ptr () -> Ptr () -> Word32 -> Word32 -> IO Word32
-- IcmpHandle : HANDLE -> Ptr ()
-- Event : HANDLE optional -> Ptr ()
-- ApcRoutine : PIO_APC_ROUTINE optional -> Ptr ()
-- ApcContext : void* optional -> Ptr ()
-- SourceAddress : DWORD -> Word32
-- DestinationAddress : DWORD -> Word32
-- RequestData : void* -> Ptr ()
-- RequestSize : WORD -> Word16
-- RequestOptions : IP_OPTION_INFORMATION* optional -> Ptr ()
-- ReplyBuffer : void* out -> Ptr ()
-- ReplySize : DWORD -> Word32
-- Timeout : DWORD -> Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let icmpsendecho2ex =
  foreign "IcmpSendEcho2Ex"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> uint32_t @-> uint32_t @-> (ptr void) @-> uint16_t @-> (ptr void) @-> (ptr void) @-> uint32_t @-> uint32_t @-> returning uint32_t)
(* IcmpHandle : HANDLE -> (ptr void) *)
(* Event : HANDLE optional -> (ptr void) *)
(* ApcRoutine : PIO_APC_ROUTINE optional -> (ptr void) *)
(* ApcContext : void* optional -> (ptr void) *)
(* SourceAddress : DWORD -> uint32_t *)
(* DestinationAddress : DWORD -> uint32_t *)
(* RequestData : void* -> (ptr void) *)
(* RequestSize : WORD -> uint16_t *)
(* RequestOptions : IP_OPTION_INFORMATION* optional -> (ptr void) *)
(* ReplyBuffer : void* out -> (ptr void) *)
(* ReplySize : DWORD -> uint32_t *)
(* Timeout : DWORD -> uint32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library iphlpapi (t "IPHLPAPI.dll"))
(cffi:use-foreign-library iphlpapi)

(cffi:defcfun ("IcmpSendEcho2Ex" icmp-send-echo2-ex :convention :stdcall) :uint32
  (icmp-handle :pointer)   ; HANDLE
  (event :pointer)   ; HANDLE optional
  (apc-routine :pointer)   ; PIO_APC_ROUTINE optional
  (apc-context :pointer)   ; void* optional
  (source-address :uint32)   ; DWORD
  (destination-address :uint32)   ; DWORD
  (request-data :pointer)   ; void*
  (request-size :uint16)   ; WORD
  (request-options :pointer)   ; IP_OPTION_INFORMATION* optional
  (reply-buffer :pointer)   ; void* out
  (reply-size :uint32)   ; DWORD
  (timeout :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $IcmpSendEcho2Ex = Win32::API::More->new('IPHLPAPI',
    'DWORD IcmpSendEcho2Ex(HANDLE IcmpHandle, HANDLE Event, LPVOID ApcRoutine, LPVOID ApcContext, DWORD SourceAddress, DWORD DestinationAddress, LPVOID RequestData, WORD RequestSize, LPVOID RequestOptions, LPVOID ReplyBuffer, DWORD ReplySize, DWORD Timeout)');
# my $ret = $IcmpSendEcho2Ex->Call($IcmpHandle, $Event, $ApcRoutine, $ApcContext, $SourceAddress, $DestinationAddress, $RequestData, $RequestSize, $RequestOptions, $ReplyBuffer, $ReplySize, $Timeout);
# IcmpHandle : HANDLE -> HANDLE
# Event : HANDLE optional -> HANDLE
# ApcRoutine : PIO_APC_ROUTINE optional -> LPVOID
# ApcContext : void* optional -> LPVOID
# SourceAddress : DWORD -> DWORD
# DestinationAddress : DWORD -> DWORD
# RequestData : void* -> LPVOID
# RequestSize : WORD -> WORD
# RequestOptions : IP_OPTION_INFORMATION* optional -> LPVOID
# ReplyBuffer : void* out -> LPVOID
# ReplySize : DWORD -> DWORD
# Timeout : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。