FwpmDynamicKeywordSubscribe0

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

DWORD FwpmDynamicKeywordSubscribe0(
    DWORD flags,
    FWPM_DYNAMIC_KEYWORD_CALLBACK0 callback,
    void* context,   // optional
    HANDLE* subscriptionHandle
);

<DllImport("fwpuclnt.dll", ExactSpelling:=True)>
Public Shared Function FwpmDynamicKeywordSubscribe0(
    flags As UInteger,   ' DWORD
    callback As IntPtr,   ' FWPM_DYNAMIC_KEYWORD_CALLBACK0
    context As IntPtr,   ' void* optional
    subscriptionHandle As IntPtr   ' HANDLE* out
) As UInteger
End Function

' flags : DWORD
' callback : FWPM_DYNAMIC_KEYWORD_CALLBACK0
' context : void* optional
' subscriptionHandle : HANDLE* out
Declare PtrSafe Function FwpmDynamicKeywordSubscribe0 Lib "fwpuclnt" ( _
    ByVal flags As Long, _
    ByVal callback As LongPtr, _
    ByVal context As LongPtr, _
    ByVal subscriptionHandle As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

FwpmDynamicKeywordSubscribe0 = ctypes.windll.fwpuclnt.FwpmDynamicKeywordSubscribe0
FwpmDynamicKeywordSubscribe0.restype = wintypes.DWORD
FwpmDynamicKeywordSubscribe0.argtypes = [
    wintypes.DWORD,  # flags : DWORD
    ctypes.c_void_p,  # callback : FWPM_DYNAMIC_KEYWORD_CALLBACK0
    ctypes.POINTER(None),  # context : void* optional
    ctypes.c_void_p,  # subscriptionHandle : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('fwpuclnt.dll')
FwpmDynamicKeywordSubscribe0 = Fiddle::Function.new(
  lib['FwpmDynamicKeywordSubscribe0'],
  [
    -Fiddle::TYPE_INT,  # flags : DWORD
    Fiddle::TYPE_VOIDP,  # callback : FWPM_DYNAMIC_KEYWORD_CALLBACK0
    Fiddle::TYPE_VOIDP,  # context : void* optional
    Fiddle::TYPE_VOIDP,  # subscriptionHandle : HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "fwpuclnt")]
extern "system" {
    fn FwpmDynamicKeywordSubscribe0(
        flags: u32,  // DWORD
        callback: *const core::ffi::c_void,  // FWPM_DYNAMIC_KEYWORD_CALLBACK0
        context: *mut (),  // void* optional
        subscriptionHandle: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("fwpuclnt.dll")]
public static extern uint FwpmDynamicKeywordSubscribe0(uint flags, IntPtr callback, IntPtr context, IntPtr subscriptionHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'fwpuclnt_FwpmDynamicKeywordSubscribe0' -Namespace Win32 -PassThru
# $api::FwpmDynamicKeywordSubscribe0(flags, callback, context, subscriptionHandle)

#uselib "fwpuclnt.dll"
#func global FwpmDynamicKeywordSubscribe0 "FwpmDynamicKeywordSubscribe0" sptr, sptr, sptr, sptr
; FwpmDynamicKeywordSubscribe0 flags, callback, context, subscriptionHandle   ; 戻り値は stat
; flags : DWORD -> "sptr"
; callback : FWPM_DYNAMIC_KEYWORD_CALLBACK0 -> "sptr"
; context : void* optional -> "sptr"
; subscriptionHandle : HANDLE* out -> "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 "fwpuclnt.dll"
#cfunc global FwpmDynamicKeywordSubscribe0 "FwpmDynamicKeywordSubscribe0" int, sptr, sptr, sptr
; res = FwpmDynamicKeywordSubscribe0(flags, callback, context, subscriptionHandle)
; flags : DWORD -> "int"
; callback : FWPM_DYNAMIC_KEYWORD_CALLBACK0 -> "sptr"
; context : void* optional -> "sptr"
; subscriptionHandle : HANDLE* out -> "sptr"

; DWORD FwpmDynamicKeywordSubscribe0(DWORD flags, FWPM_DYNAMIC_KEYWORD_CALLBACK0 callback, void* context, HANDLE* subscriptionHandle)
#uselib "fwpuclnt.dll"
#cfunc global FwpmDynamicKeywordSubscribe0 "FwpmDynamicKeywordSubscribe0" int, intptr, intptr, intptr
; res = FwpmDynamicKeywordSubscribe0(flags, callback, context, subscriptionHandle)
; flags : DWORD -> "int"
; callback : FWPM_DYNAMIC_KEYWORD_CALLBACK0 -> "intptr"
; context : void* optional -> "intptr"
; subscriptionHandle : HANDLE* out -> "intptr"

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

var (
	fwpuclnt = windows.NewLazySystemDLL("fwpuclnt.dll")
	procFwpmDynamicKeywordSubscribe0 = fwpuclnt.NewProc("FwpmDynamicKeywordSubscribe0")
)

// flags (DWORD), callback (FWPM_DYNAMIC_KEYWORD_CALLBACK0), context (void* optional), subscriptionHandle (HANDLE* out)
r1, _, err := procFwpmDynamicKeywordSubscribe0.Call(
	uintptr(flags),
	uintptr(callback),
	uintptr(context),
	uintptr(subscriptionHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function FwpmDynamicKeywordSubscribe0(
  flags: DWORD;   // DWORD
  callback: Pointer;   // FWPM_DYNAMIC_KEYWORD_CALLBACK0
  context: Pointer;   // void* optional
  subscriptionHandle: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'fwpuclnt.dll' name 'FwpmDynamicKeywordSubscribe0';

result := DllCall("fwpuclnt\FwpmDynamicKeywordSubscribe0"
    , "UInt", flags   ; DWORD
    , "Ptr", callback   ; FWPM_DYNAMIC_KEYWORD_CALLBACK0
    , "Ptr", context   ; void* optional
    , "Ptr", subscriptionHandle   ; HANDLE* out
    , "UInt")   ; return: DWORD

●FwpmDynamicKeywordSubscribe0(flags, callback, context, subscriptionHandle) = DLL("fwpuclnt.dll", "dword FwpmDynamicKeywordSubscribe0(dword, void*, void*, void*)")
# 呼び出し: FwpmDynamicKeywordSubscribe0(flags, callback, context, subscriptionHandle)
# flags : DWORD -> "dword"
# callback : FWPM_DYNAMIC_KEYWORD_CALLBACK0 -> "void*"
# context : void* optional -> "void*"
# subscriptionHandle : HANDLE* out -> "void*"
# 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)。