WNetOpenEnumA

// MPR.dll  (ANSI / -A)
#include <windows.h>

WIN32_ERROR WNetOpenEnumA(
    NET_RESOURCE_SCOPE dwScope,
    NET_RESOURCE_TYPE dwType,
    WNET_OPEN_ENUM_USAGE dwUsage,
    NETRESOURCEA* lpNetResource,   // optional
    HANDLE* lphEnum
);

<DllImport("MPR.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function WNetOpenEnumA(
    dwScope As UInteger,   ' NET_RESOURCE_SCOPE
    dwType As UInteger,   ' NET_RESOURCE_TYPE
    dwUsage As UInteger,   ' WNET_OPEN_ENUM_USAGE
    lpNetResource As IntPtr,   ' NETRESOURCEA* optional
    lphEnum As IntPtr   ' HANDLE* out
) As UInteger
End Function

' dwScope : NET_RESOURCE_SCOPE
' dwType : NET_RESOURCE_TYPE
' dwUsage : WNET_OPEN_ENUM_USAGE
' lpNetResource : NETRESOURCEA* optional
' lphEnum : HANDLE* out
Declare PtrSafe Function WNetOpenEnumA Lib "mpr" ( _
    ByVal dwScope As Long, _
    ByVal dwType As Long, _
    ByVal dwUsage As Long, _
    ByVal lpNetResource As LongPtr, _
    ByVal lphEnum 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

WNetOpenEnumA = ctypes.windll.mpr.WNetOpenEnumA
WNetOpenEnumA.restype = wintypes.DWORD
WNetOpenEnumA.argtypes = [
    wintypes.DWORD,  # dwScope : NET_RESOURCE_SCOPE
    wintypes.DWORD,  # dwType : NET_RESOURCE_TYPE
    wintypes.DWORD,  # dwUsage : WNET_OPEN_ENUM_USAGE
    ctypes.c_void_p,  # lpNetResource : NETRESOURCEA* optional
    ctypes.c_void_p,  # lphEnum : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MPR.dll')
WNetOpenEnumA = Fiddle::Function.new(
  lib['WNetOpenEnumA'],
  [
    -Fiddle::TYPE_INT,  # dwScope : NET_RESOURCE_SCOPE
    -Fiddle::TYPE_INT,  # dwType : NET_RESOURCE_TYPE
    -Fiddle::TYPE_INT,  # dwUsage : WNET_OPEN_ENUM_USAGE
    Fiddle::TYPE_VOIDP,  # lpNetResource : NETRESOURCEA* optional
    Fiddle::TYPE_VOIDP,  # lphEnum : HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "mpr")]
extern "system" {
    fn WNetOpenEnumA(
        dwScope: u32,  // NET_RESOURCE_SCOPE
        dwType: u32,  // NET_RESOURCE_TYPE
        dwUsage: u32,  // WNET_OPEN_ENUM_USAGE
        lpNetResource: *mut NETRESOURCEA,  // NETRESOURCEA* optional
        lphEnum: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MPR.dll", CharSet = CharSet.Ansi)]
public static extern uint WNetOpenEnumA(uint dwScope, uint dwType, uint dwUsage, IntPtr lpNetResource, IntPtr lphEnum);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MPR_WNetOpenEnumA' -Namespace Win32 -PassThru
# $api::WNetOpenEnumA(dwScope, dwType, dwUsage, lpNetResource, lphEnum)

#uselib "MPR.dll"
#func global WNetOpenEnumA "WNetOpenEnumA" sptr, sptr, sptr, sptr, sptr
; WNetOpenEnumA dwScope, dwType, dwUsage, varptr(lpNetResource), lphEnum   ; 戻り値は stat
; dwScope : NET_RESOURCE_SCOPE -> "sptr"
; dwType : NET_RESOURCE_TYPE -> "sptr"
; dwUsage : WNET_OPEN_ENUM_USAGE -> "sptr"
; lpNetResource : NETRESOURCEA* optional -> "sptr"
; lphEnum : 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。

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

var (
	mpr = windows.NewLazySystemDLL("MPR.dll")
	procWNetOpenEnumA = mpr.NewProc("WNetOpenEnumA")
)

// dwScope (NET_RESOURCE_SCOPE), dwType (NET_RESOURCE_TYPE), dwUsage (WNET_OPEN_ENUM_USAGE), lpNetResource (NETRESOURCEA* optional), lphEnum (HANDLE* out)
r1, _, err := procWNetOpenEnumA.Call(
	uintptr(dwScope),
	uintptr(dwType),
	uintptr(dwUsage),
	uintptr(lpNetResource),
	uintptr(lphEnum),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function WNetOpenEnumA(
  dwScope: DWORD;   // NET_RESOURCE_SCOPE
  dwType: DWORD;   // NET_RESOURCE_TYPE
  dwUsage: DWORD;   // WNET_OPEN_ENUM_USAGE
  lpNetResource: Pointer;   // NETRESOURCEA* optional
  lphEnum: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetOpenEnumA';

result := DllCall("MPR\WNetOpenEnumA"
    , "UInt", dwScope   ; NET_RESOURCE_SCOPE
    , "UInt", dwType   ; NET_RESOURCE_TYPE
    , "UInt", dwUsage   ; WNET_OPEN_ENUM_USAGE
    , "Ptr", lpNetResource   ; NETRESOURCEA* optional
    , "Ptr", lphEnum   ; HANDLE* out
    , "UInt")   ; return: WIN32_ERROR

●WNetOpenEnumA(dwScope, dwType, dwUsage, lpNetResource, lphEnum) = DLL("MPR.dll", "dword WNetOpenEnumA(dword, dword, dword, void*, void*)")
# 呼び出し: WNetOpenEnumA(dwScope, dwType, dwUsage, lpNetResource, lphEnum)
# dwScope : NET_RESOURCE_SCOPE -> "dword"
# dwType : NET_RESOURCE_TYPE -> "dword"
# dwUsage : WNET_OPEN_ENUM_USAGE -> "dword"
# lpNetResource : NETRESOURCEA* optional -> "void*"
# lphEnum : 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)。

const std = @import("std");

extern "mpr" fn WNetOpenEnumA(
    dwScope: u32, // NET_RESOURCE_SCOPE
    dwType: u32, // NET_RESOURCE_TYPE
    dwUsage: u32, // WNET_OPEN_ENUM_USAGE
    lpNetResource: [*c]NETRESOURCEA, // NETRESOURCEA* optional
    lphEnum: ?*anyopaque // HANDLE* out
) callconv(std.os.windows.WINAPI) u32;

proc WNetOpenEnumA(
    dwScope: uint32,  # NET_RESOURCE_SCOPE
    dwType: uint32,  # NET_RESOURCE_TYPE
    dwUsage: uint32,  # WNET_OPEN_ENUM_USAGE
    lpNetResource: ptr NETRESOURCEA,  # NETRESOURCEA* optional
    lphEnum: pointer  # HANDLE* out
): uint32 {.importc: "WNetOpenEnumA", stdcall, dynlib: "MPR.dll".}

pragma(lib, "mpr");
extern(Windows)
uint WNetOpenEnumA(
    uint dwScope,   // NET_RESOURCE_SCOPE
    uint dwType,   // NET_RESOURCE_TYPE
    uint dwUsage,   // WNET_OPEN_ENUM_USAGE
    NETRESOURCEA* lpNetResource,   // NETRESOURCEA* optional
    void* lphEnum   // HANDLE* out
);

ccall((:WNetOpenEnumA, "MPR.dll"), stdcall, UInt32,
      (UInt32, UInt32, UInt32, Ptr{NETRESOURCEA}, Ptr{Cvoid}),
      dwScope, dwType, dwUsage, lpNetResource, lphEnum)
# dwScope : NET_RESOURCE_SCOPE -> UInt32
# dwType : NET_RESOURCE_TYPE -> UInt32
# dwUsage : WNET_OPEN_ENUM_USAGE -> UInt32
# lpNetResource : NETRESOURCEA* optional -> Ptr{NETRESOURCEA}
# lphEnum : HANDLE* out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t WNetOpenEnumA(
    uint32_t dwScope,
    uint32_t dwType,
    uint32_t dwUsage,
    void* lpNetResource,
    void* lphEnum);
]]
local mpr = ffi.load("mpr")
-- mpr.WNetOpenEnumA(dwScope, dwType, dwUsage, lpNetResource, lphEnum)
-- dwScope : NET_RESOURCE_SCOPE
-- dwType : NET_RESOURCE_TYPE
-- dwUsage : WNET_OPEN_ENUM_USAGE
-- lpNetResource : NETRESOURCEA* optional
-- lphEnum : HANDLE* 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('MPR.dll');
const WNetOpenEnumA = lib.func('__stdcall', 'WNetOpenEnumA', 'uint32_t', ['uint32_t', 'uint32_t', 'uint32_t', 'void *', 'void *']);
// WNetOpenEnumA(dwScope, dwType, dwUsage, lpNetResource, lphEnum)
// dwScope : NET_RESOURCE_SCOPE -> 'uint32_t'
// dwType : NET_RESOURCE_TYPE -> 'uint32_t'
// dwUsage : WNET_OPEN_ENUM_USAGE -> 'uint32_t'
// lpNetResource : NETRESOURCEA* optional -> 'void *'
// lphEnum : HANDLE* 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("MPR.dll", {
  WNetOpenEnumA: { parameters: ["u32", "u32", "u32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.WNetOpenEnumA(dwScope, dwType, dwUsage, lpNetResource, lphEnum)
// dwScope : NET_RESOURCE_SCOPE -> "u32"
// dwType : NET_RESOURCE_TYPE -> "u32"
// dwUsage : WNET_OPEN_ENUM_USAGE -> "u32"
// lpNetResource : NETRESOURCEA* optional -> "pointer"
// lphEnum : HANDLE* out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t WNetOpenEnumA(
    uint32_t dwScope,
    uint32_t dwType,
    uint32_t dwUsage,
    void* lpNetResource,
    void* lphEnum);
C, "MPR.dll");
// $ffi->WNetOpenEnumA(dwScope, dwType, dwUsage, lpNetResource, lphEnum);
// dwScope : NET_RESOURCE_SCOPE
// dwType : NET_RESOURCE_TYPE
// dwUsage : WNET_OPEN_ENUM_USAGE
// lpNetResource : NETRESOURCEA* optional
// lphEnum : HANDLE* 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 Mpr extends StdCallLibrary {
    Mpr INSTANCE = Native.load("mpr", Mpr.class, W32APIOptions.ASCII_OPTIONS);
    int WNetOpenEnumA(
        int dwScope,   // NET_RESOURCE_SCOPE
        int dwType,   // NET_RESOURCE_TYPE
        int dwUsage,   // WNET_OPEN_ENUM_USAGE
        Pointer lpNetResource,   // NETRESOURCEA* optional
        Pointer lphEnum   // HANDLE* out
    );
}

@[Link("mpr")]
lib LibMPR
  fun WNetOpenEnumA = WNetOpenEnumA(
    dwScope : UInt32,   # NET_RESOURCE_SCOPE
    dwType : UInt32,   # NET_RESOURCE_TYPE
    dwUsage : UInt32,   # WNET_OPEN_ENUM_USAGE
    lpNetResource : NETRESOURCEA*,   # NETRESOURCEA* optional
    lphEnum : Void*   # HANDLE* 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 WNetOpenEnumANative = Uint32 Function(Uint32, Uint32, Uint32, Pointer<Void>, Pointer<Void>);
typedef WNetOpenEnumADart = int Function(int, int, int, Pointer<Void>, Pointer<Void>);
final WNetOpenEnumA = DynamicLibrary.open('MPR.dll')
    .lookupFunction<WNetOpenEnumANative, WNetOpenEnumADart>('WNetOpenEnumA');
// dwScope : NET_RESOURCE_SCOPE -> Uint32
// dwType : NET_RESOURCE_TYPE -> Uint32
// dwUsage : WNET_OPEN_ENUM_USAGE -> Uint32
// lpNetResource : NETRESOURCEA* optional -> Pointer<Void>
// lphEnum : HANDLE* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WNetOpenEnumA(
  dwScope: DWORD;   // NET_RESOURCE_SCOPE
  dwType: DWORD;   // NET_RESOURCE_TYPE
  dwUsage: DWORD;   // WNET_OPEN_ENUM_USAGE
  lpNetResource: Pointer;   // NETRESOURCEA* optional
  lphEnum: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetOpenEnumA';

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

foreign import stdcall safe "WNetOpenEnumA"
  c_WNetOpenEnumA :: Word32 -> Word32 -> Word32 -> Ptr () -> Ptr () -> IO Word32
-- dwScope : NET_RESOURCE_SCOPE -> Word32
-- dwType : NET_RESOURCE_TYPE -> Word32
-- dwUsage : WNET_OPEN_ENUM_USAGE -> Word32
-- lpNetResource : NETRESOURCEA* optional -> Ptr ()
-- lphEnum : HANDLE* 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 wnetopenenuma =
  foreign "WNetOpenEnumA"
    (uint32_t @-> uint32_t @-> uint32_t @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* dwScope : NET_RESOURCE_SCOPE -> uint32_t *)
(* dwType : NET_RESOURCE_TYPE -> uint32_t *)
(* dwUsage : WNET_OPEN_ENUM_USAGE -> uint32_t *)
(* lpNetResource : NETRESOURCEA* optional -> (ptr void) *)
(* lphEnum : HANDLE* 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 mpr (t "MPR.dll"))
(cffi:use-foreign-library mpr)

(cffi:defcfun ("WNetOpenEnumA" wnet-open-enum-a :convention :stdcall) :uint32
  (dw-scope :uint32)   ; NET_RESOURCE_SCOPE
  (dw-type :uint32)   ; NET_RESOURCE_TYPE
  (dw-usage :uint32)   ; WNET_OPEN_ENUM_USAGE
  (lp-net-resource :pointer)   ; NETRESOURCEA* optional
  (lph-enum :pointer))   ; HANDLE* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WNetOpenEnumA = Win32::API::More->new('MPR',
    'DWORD WNetOpenEnumA(DWORD dwScope, DWORD dwType, DWORD dwUsage, LPVOID lpNetResource, HANDLE lphEnum)');
# my $ret = $WNetOpenEnumA->Call($dwScope, $dwType, $dwUsage, $lpNetResource, $lphEnum);
# dwScope : NET_RESOURCE_SCOPE -> DWORD
# dwType : NET_RESOURCE_TYPE -> DWORD
# dwUsage : WNET_OPEN_ENUM_USAGE -> DWORD
# lpNetResource : NETRESOURCEA* optional -> LPVOID
# lphEnum : HANDLE* out -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。