GetNetworkConnectivityHint

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

WIN32_ERROR GetNetworkConnectivityHint(
    NL_NETWORK_CONNECTIVITY_HINT* ConnectivityHint
);

<DllImport("IPHLPAPI.dll", ExactSpelling:=True)>
Public Shared Function GetNetworkConnectivityHint(
    ConnectivityHint As IntPtr   ' NL_NETWORK_CONNECTIVITY_HINT* out
) As UInteger
End Function

' ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* out
Declare PtrSafe Function GetNetworkConnectivityHint Lib "iphlpapi" ( _
    ByVal ConnectivityHint 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

GetNetworkConnectivityHint = ctypes.windll.iphlpapi.GetNetworkConnectivityHint
GetNetworkConnectivityHint.restype = wintypes.DWORD
GetNetworkConnectivityHint.argtypes = [
    ctypes.c_void_p,  # ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
GetNetworkConnectivityHint = Fiddle::Function.new(
  lib['GetNetworkConnectivityHint'],
  [
    Fiddle::TYPE_VOIDP,  # ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn GetNetworkConnectivityHint(
        ConnectivityHint: *mut NL_NETWORK_CONNECTIVITY_HINT  // NL_NETWORK_CONNECTIVITY_HINT* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("IPHLPAPI.dll")]
public static extern uint GetNetworkConnectivityHint(IntPtr ConnectivityHint);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IPHLPAPI_GetNetworkConnectivityHint' -Namespace Win32 -PassThru
# $api::GetNetworkConnectivityHint(ConnectivityHint)

#uselib "IPHLPAPI.dll"
#func global GetNetworkConnectivityHint "GetNetworkConnectivityHint" sptr
; GetNetworkConnectivityHint varptr(ConnectivityHint)   ; 戻り値は stat
; ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* 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。

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

var (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procGetNetworkConnectivityHint = iphlpapi.NewProc("GetNetworkConnectivityHint")
)

// ConnectivityHint (NL_NETWORK_CONNECTIVITY_HINT* out)
r1, _, err := procGetNetworkConnectivityHint.Call(
	uintptr(ConnectivityHint),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function GetNetworkConnectivityHint(
  ConnectivityHint: Pointer   // NL_NETWORK_CONNECTIVITY_HINT* out
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'GetNetworkConnectivityHint';

result := DllCall("IPHLPAPI\GetNetworkConnectivityHint"
    , "Ptr", ConnectivityHint   ; NL_NETWORK_CONNECTIVITY_HINT* out
    , "UInt")   ; return: WIN32_ERROR

●GetNetworkConnectivityHint(ConnectivityHint) = DLL("IPHLPAPI.dll", "dword GetNetworkConnectivityHint(void*)")
# 呼び出し: GetNetworkConnectivityHint(ConnectivityHint)
# ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* 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)。

const std = @import("std");

extern "iphlpapi" fn GetNetworkConnectivityHint(
    ConnectivityHint: [*c]NL_NETWORK_CONNECTIVITY_HINT // NL_NETWORK_CONNECTIVITY_HINT* out
) callconv(std.os.windows.WINAPI) u32;

proc GetNetworkConnectivityHint(
    ConnectivityHint: ptr NL_NETWORK_CONNECTIVITY_HINT  # NL_NETWORK_CONNECTIVITY_HINT* out
): uint32 {.importc: "GetNetworkConnectivityHint", stdcall, dynlib: "IPHLPAPI.dll".}

pragma(lib, "iphlpapi");
extern(Windows)
uint GetNetworkConnectivityHint(
    NL_NETWORK_CONNECTIVITY_HINT* ConnectivityHint   // NL_NETWORK_CONNECTIVITY_HINT* out
);

ccall((:GetNetworkConnectivityHint, "IPHLPAPI.dll"), stdcall, UInt32,
      (Ptr{NL_NETWORK_CONNECTIVITY_HINT},),
      ConnectivityHint)
# ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* out -> Ptr{NL_NETWORK_CONNECTIVITY_HINT}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t GetNetworkConnectivityHint(
    void* ConnectivityHint);
]]
local iphlpapi = ffi.load("iphlpapi")
-- iphlpapi.GetNetworkConnectivityHint(ConnectivityHint)
-- ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* out
-- 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 GetNetworkConnectivityHint = lib.func('__stdcall', 'GetNetworkConnectivityHint', 'uint32_t', ['void *']);
// GetNetworkConnectivityHint(ConnectivityHint)
// ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("IPHLPAPI.dll", {
  GetNetworkConnectivityHint: { parameters: ["pointer"], result: "u32" },
});
// lib.symbols.GetNetworkConnectivityHint(ConnectivityHint)
// ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* out -> "pointer"
// 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 GetNetworkConnectivityHint(
    void* ConnectivityHint);
C, "IPHLPAPI.dll");
// $ffi->GetNetworkConnectivityHint(ConnectivityHint);
// ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* out
// 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 GetNetworkConnectivityHint(
        Pointer ConnectivityHint   // NL_NETWORK_CONNECTIVITY_HINT* out
    );
}

@[Link("iphlpapi")]
lib LibIPHLPAPI
  fun GetNetworkConnectivityHint = GetNetworkConnectivityHint(
    ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT*   # NL_NETWORK_CONNECTIVITY_HINT* out
  ) : 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 GetNetworkConnectivityHintNative = Uint32 Function(Pointer<Void>);
typedef GetNetworkConnectivityHintDart = int Function(Pointer<Void>);
final GetNetworkConnectivityHint = DynamicLibrary.open('IPHLPAPI.dll')
    .lookupFunction<GetNetworkConnectivityHintNative, GetNetworkConnectivityHintDart>('GetNetworkConnectivityHint');
// ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetNetworkConnectivityHint(
  ConnectivityHint: Pointer   // NL_NETWORK_CONNECTIVITY_HINT* out
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'GetNetworkConnectivityHint';

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

foreign import stdcall safe "GetNetworkConnectivityHint"
  c_GetNetworkConnectivityHint :: Ptr () -> IO Word32
-- ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* out -> Ptr ()
-- 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 getnetworkconnectivityhint =
  foreign "GetNetworkConnectivityHint"
    ((ptr void) @-> returning uint32_t)
(* ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* out -> (ptr void) *)
(* 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 ("GetNetworkConnectivityHint" get-network-connectivity-hint :convention :stdcall) :uint32
  (connectivity-hint :pointer))   ; NL_NETWORK_CONNECTIVITY_HINT* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetNetworkConnectivityHint = Win32::API::More->new('IPHLPAPI',
    'DWORD GetNetworkConnectivityHint(LPVOID ConnectivityHint)');
# my $ret = $GetNetworkConnectivityHint->Call($ConnectivityHint);
# ConnectivityHint : NL_NETWORK_CONNECTIVITY_HINT* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。