FwpmConnectionEnum0

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

DWORD FwpmConnectionEnum0(
    FWPM_ENGINE_HANDLE engineHandle,
    FWPM_CONNECTION_ENUM_HANDLE enumHandle,
    DWORD numEntriesRequested,
    FWPM_CONNECTION0*** entries,
    DWORD* numEntriesReturned
);

<DllImport("fwpuclnt.dll", ExactSpelling:=True)>
Public Shared Function FwpmConnectionEnum0(
    engineHandle As FWPM_ENGINE_HANDLE,   ' FWPM_ENGINE_HANDLE
    enumHandle As FWPM_CONNECTION_ENUM_HANDLE,   ' FWPM_CONNECTION_ENUM_HANDLE
    numEntriesRequested As UInteger,   ' DWORD
    entries As IntPtr,   ' FWPM_CONNECTION0*** out
    <Out> ByRef numEntriesReturned As UInteger   ' DWORD* out
) As UInteger
End Function

' engineHandle : FWPM_ENGINE_HANDLE
' enumHandle : FWPM_CONNECTION_ENUM_HANDLE
' numEntriesRequested : DWORD
' entries : FWPM_CONNECTION0*** out
' numEntriesReturned : DWORD* out
Declare PtrSafe Function FwpmConnectionEnum0 Lib "fwpuclnt" ( _
    ByVal engineHandle As LongPtr, _
    ByVal enumHandle As LongPtr, _
    ByVal numEntriesRequested As Long, _
    ByVal entries As LongPtr, _
    ByRef numEntriesReturned 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

FwpmConnectionEnum0 = ctypes.windll.fwpuclnt.FwpmConnectionEnum0
FwpmConnectionEnum0.restype = wintypes.DWORD
FwpmConnectionEnum0.argtypes = [
    FWPM_ENGINE_HANDLE,  # engineHandle : FWPM_ENGINE_HANDLE
    FWPM_CONNECTION_ENUM_HANDLE,  # enumHandle : FWPM_CONNECTION_ENUM_HANDLE
    wintypes.DWORD,  # numEntriesRequested : DWORD
    ctypes.c_void_p,  # entries : FWPM_CONNECTION0*** out
    ctypes.POINTER(wintypes.DWORD),  # numEntriesReturned : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('fwpuclnt.dll')
FwpmConnectionEnum0 = Fiddle::Function.new(
  lib['FwpmConnectionEnum0'],
  [
    Fiddle::TYPE_VOIDP,  # engineHandle : FWPM_ENGINE_HANDLE
    Fiddle::TYPE_VOIDP,  # enumHandle : FWPM_CONNECTION_ENUM_HANDLE
    -Fiddle::TYPE_INT,  # numEntriesRequested : DWORD
    Fiddle::TYPE_VOIDP,  # entries : FWPM_CONNECTION0*** out
    Fiddle::TYPE_VOIDP,  # numEntriesReturned : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "fwpuclnt")]
extern "system" {
    fn FwpmConnectionEnum0(
        engineHandle: FWPM_ENGINE_HANDLE,  // FWPM_ENGINE_HANDLE
        enumHandle: FWPM_CONNECTION_ENUM_HANDLE,  // FWPM_CONNECTION_ENUM_HANDLE
        numEntriesRequested: u32,  // DWORD
        entries: *mut *mut *mut FWPM_CONNECTION0,  // FWPM_CONNECTION0*** out
        numEntriesReturned: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("fwpuclnt.dll")]
public static extern uint FwpmConnectionEnum0(FWPM_ENGINE_HANDLE engineHandle, FWPM_CONNECTION_ENUM_HANDLE enumHandle, uint numEntriesRequested, IntPtr entries, out uint numEntriesReturned);
"@
$api = Add-Type -MemberDefinition $sig -Name 'fwpuclnt_FwpmConnectionEnum0' -Namespace Win32 -PassThru
# $api::FwpmConnectionEnum0(engineHandle, enumHandle, numEntriesRequested, entries, numEntriesReturned)

#uselib "fwpuclnt.dll"
#func global FwpmConnectionEnum0 "FwpmConnectionEnum0" sptr, sptr, sptr, sptr, sptr
; FwpmConnectionEnum0 engineHandle, enumHandle, numEntriesRequested, varptr(entries), varptr(numEntriesReturned)   ; 戻り値は stat
; engineHandle : FWPM_ENGINE_HANDLE -> "sptr"
; enumHandle : FWPM_CONNECTION_ENUM_HANDLE -> "sptr"
; numEntriesRequested : DWORD -> "sptr"
; entries : FWPM_CONNECTION0*** out -> "sptr"
; numEntriesReturned : DWORD* out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 FwpmConnectionEnum0 "FwpmConnectionEnum0" int, int, int, var, var
; res = FwpmConnectionEnum0(engineHandle, enumHandle, numEntriesRequested, entries, numEntriesReturned)
; engineHandle : FWPM_ENGINE_HANDLE -> "int"
; enumHandle : FWPM_CONNECTION_ENUM_HANDLE -> "int"
; numEntriesRequested : DWORD -> "int"
; entries : FWPM_CONNECTION0*** out -> "var"
; numEntriesReturned : DWORD* out -> "var"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD FwpmConnectionEnum0(FWPM_ENGINE_HANDLE engineHandle, FWPM_CONNECTION_ENUM_HANDLE enumHandle, DWORD numEntriesRequested, FWPM_CONNECTION0*** entries, DWORD* numEntriesReturned)
#uselib "fwpuclnt.dll"
#cfunc global FwpmConnectionEnum0 "FwpmConnectionEnum0" int, int, int, var, var
; res = FwpmConnectionEnum0(engineHandle, enumHandle, numEntriesRequested, entries, numEntriesReturned)
; engineHandle : FWPM_ENGINE_HANDLE -> "int"
; enumHandle : FWPM_CONNECTION_ENUM_HANDLE -> "int"
; numEntriesRequested : DWORD -> "int"
; entries : FWPM_CONNECTION0*** out -> "var"
; numEntriesReturned : DWORD* out -> "var"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	fwpuclnt = windows.NewLazySystemDLL("fwpuclnt.dll")
	procFwpmConnectionEnum0 = fwpuclnt.NewProc("FwpmConnectionEnum0")
)

// engineHandle (FWPM_ENGINE_HANDLE), enumHandle (FWPM_CONNECTION_ENUM_HANDLE), numEntriesRequested (DWORD), entries (FWPM_CONNECTION0*** out), numEntriesReturned (DWORD* out)
r1, _, err := procFwpmConnectionEnum0.Call(
	uintptr(engineHandle),
	uintptr(enumHandle),
	uintptr(numEntriesRequested),
	uintptr(entries),
	uintptr(numEntriesReturned),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function FwpmConnectionEnum0(
  engineHandle: FWPM_ENGINE_HANDLE;   // FWPM_ENGINE_HANDLE
  enumHandle: FWPM_CONNECTION_ENUM_HANDLE;   // FWPM_CONNECTION_ENUM_HANDLE
  numEntriesRequested: DWORD;   // DWORD
  entries: Pointer;   // FWPM_CONNECTION0*** out
  numEntriesReturned: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'fwpuclnt.dll' name 'FwpmConnectionEnum0';

result := DllCall("fwpuclnt\FwpmConnectionEnum0"
    , "Ptr", engineHandle   ; FWPM_ENGINE_HANDLE
    , "Ptr", enumHandle   ; FWPM_CONNECTION_ENUM_HANDLE
    , "UInt", numEntriesRequested   ; DWORD
    , "Ptr", entries   ; FWPM_CONNECTION0*** out
    , "Ptr", numEntriesReturned   ; DWORD* out
    , "UInt")   ; return: DWORD

●FwpmConnectionEnum0(engineHandle, enumHandle, numEntriesRequested, entries, numEntriesReturned) = DLL("fwpuclnt.dll", "dword FwpmConnectionEnum0(void*, void*, dword, void*, void*)")
# 呼び出し: FwpmConnectionEnum0(engineHandle, enumHandle, numEntriesRequested, entries, numEntriesReturned)
# engineHandle : FWPM_ENGINE_HANDLE -> "void*"
# enumHandle : FWPM_CONNECTION_ENUM_HANDLE -> "void*"
# numEntriesRequested : DWORD -> "dword"
# entries : FWPM_CONNECTION0*** out -> "void*"
# numEntriesReturned : DWORD* 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)。