Icmp6ParseReplies

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

DWORD Icmp6ParseReplies(
    void* ReplyBuffer,
    DWORD ReplySize
);

<DllImport("IPHLPAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function Icmp6ParseReplies(
    ReplyBuffer As IntPtr,   ' void* out
    ReplySize As UInteger   ' DWORD
) As UInteger
End Function

' ReplyBuffer : void* out
' ReplySize : DWORD
Declare PtrSafe Function Icmp6ParseReplies Lib "iphlpapi" ( _
    ByVal ReplyBuffer As LongPtr, _
    ByVal ReplySize 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

Icmp6ParseReplies = ctypes.windll.iphlpapi.Icmp6ParseReplies
Icmp6ParseReplies.restype = wintypes.DWORD
Icmp6ParseReplies.argtypes = [
    ctypes.POINTER(None),  # ReplyBuffer : void* out
    wintypes.DWORD,  # ReplySize : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
Icmp6ParseReplies = Fiddle::Function.new(
  lib['Icmp6ParseReplies'],
  [
    Fiddle::TYPE_VOIDP,  # ReplyBuffer : void* out
    -Fiddle::TYPE_INT,  # ReplySize : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn Icmp6ParseReplies(
        ReplyBuffer: *mut (),  // void* out
        ReplySize: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("IPHLPAPI.dll", SetLastError = true)]
public static extern uint Icmp6ParseReplies(IntPtr ReplyBuffer, uint ReplySize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IPHLPAPI_Icmp6ParseReplies' -Namespace Win32 -PassThru
# $api::Icmp6ParseReplies(ReplyBuffer, ReplySize)

#uselib "IPHLPAPI.dll"
#func global Icmp6ParseReplies "Icmp6ParseReplies" sptr, sptr
; Icmp6ParseReplies ReplyBuffer, ReplySize   ; 戻り値は stat
; ReplyBuffer : void* out -> "sptr"
; ReplySize : 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。

#uselib "IPHLPAPI.dll"
#cfunc global Icmp6ParseReplies "Icmp6ParseReplies" sptr, int
; res = Icmp6ParseReplies(ReplyBuffer, ReplySize)
; ReplyBuffer : void* out -> "sptr"
; ReplySize : DWORD -> "int"

; DWORD Icmp6ParseReplies(void* ReplyBuffer, DWORD ReplySize)
#uselib "IPHLPAPI.dll"
#cfunc global Icmp6ParseReplies "Icmp6ParseReplies" intptr, int
; res = Icmp6ParseReplies(ReplyBuffer, ReplySize)
; ReplyBuffer : void* out -> "intptr"
; ReplySize : DWORD -> "int"

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

var (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procIcmp6ParseReplies = iphlpapi.NewProc("Icmp6ParseReplies")
)

// ReplyBuffer (void* out), ReplySize (DWORD)
r1, _, err := procIcmp6ParseReplies.Call(
	uintptr(ReplyBuffer),
	uintptr(ReplySize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function Icmp6ParseReplies(
  ReplyBuffer: Pointer;   // void* out
  ReplySize: DWORD   // DWORD
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'Icmp6ParseReplies';

result := DllCall("IPHLPAPI\Icmp6ParseReplies"
    , "Ptr", ReplyBuffer   ; void* out
    , "UInt", ReplySize   ; DWORD
    , "UInt")   ; return: DWORD

●Icmp6ParseReplies(ReplyBuffer, ReplySize) = DLL("IPHLPAPI.dll", "dword Icmp6ParseReplies(void*, dword)")
# 呼び出し: Icmp6ParseReplies(ReplyBuffer, ReplySize)
# ReplyBuffer : void* out -> "void*"
# ReplySize : 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)。