WNetEnumResourceA

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

WIN32_ERROR WNetEnumResourceA(
    HANDLE hEnum,
    DWORD* lpcCount,
    void* lpBuffer,
    DWORD* lpBufferSize
);

<DllImport("MPR.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function WNetEnumResourceA(
    hEnum As IntPtr,   ' HANDLE
    ByRef lpcCount As UInteger,   ' DWORD* in/out
    lpBuffer As IntPtr,   ' void* out
    ByRef lpBufferSize As UInteger   ' DWORD* in/out
) As UInteger
End Function

' hEnum : HANDLE
' lpcCount : DWORD* in/out
' lpBuffer : void* out
' lpBufferSize : DWORD* in/out
Declare PtrSafe Function WNetEnumResourceA Lib "mpr" ( _
    ByVal hEnum As LongPtr, _
    ByRef lpcCount As Long, _
    ByVal lpBuffer As LongPtr, _
    ByRef lpBufferSize 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

WNetEnumResourceA = ctypes.windll.mpr.WNetEnumResourceA
WNetEnumResourceA.restype = wintypes.DWORD
WNetEnumResourceA.argtypes = [
    wintypes.HANDLE,  # hEnum : HANDLE
    ctypes.POINTER(wintypes.DWORD),  # lpcCount : DWORD* in/out
    ctypes.POINTER(None),  # lpBuffer : void* out
    ctypes.POINTER(wintypes.DWORD),  # lpBufferSize : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MPR.dll')
WNetEnumResourceA = Fiddle::Function.new(
  lib['WNetEnumResourceA'],
  [
    Fiddle::TYPE_VOIDP,  # hEnum : HANDLE
    Fiddle::TYPE_VOIDP,  # lpcCount : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lpBuffer : void* out
    Fiddle::TYPE_VOIDP,  # lpBufferSize : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "mpr")]
extern "system" {
    fn WNetEnumResourceA(
        hEnum: *mut core::ffi::c_void,  // HANDLE
        lpcCount: *mut u32,  // DWORD* in/out
        lpBuffer: *mut (),  // void* out
        lpBufferSize: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MPR.dll", CharSet = CharSet.Ansi)]
public static extern uint WNetEnumResourceA(IntPtr hEnum, ref uint lpcCount, IntPtr lpBuffer, ref uint lpBufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MPR_WNetEnumResourceA' -Namespace Win32 -PassThru
# $api::WNetEnumResourceA(hEnum, lpcCount, lpBuffer, lpBufferSize)

#uselib "MPR.dll"
#func global WNetEnumResourceA "WNetEnumResourceA" sptr, sptr, sptr, sptr
; WNetEnumResourceA hEnum, varptr(lpcCount), lpBuffer, varptr(lpBufferSize)   ; 戻り値は stat
; hEnum : HANDLE -> "sptr"
; lpcCount : DWORD* in/out -> "sptr"
; lpBuffer : void* out -> "sptr"
; lpBufferSize : DWORD* in/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")
	procWNetEnumResourceA = mpr.NewProc("WNetEnumResourceA")
)

// hEnum (HANDLE), lpcCount (DWORD* in/out), lpBuffer (void* out), lpBufferSize (DWORD* in/out)
r1, _, err := procWNetEnumResourceA.Call(
	uintptr(hEnum),
	uintptr(lpcCount),
	uintptr(lpBuffer),
	uintptr(lpBufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function WNetEnumResourceA(
  hEnum: THandle;   // HANDLE
  lpcCount: Pointer;   // DWORD* in/out
  lpBuffer: Pointer;   // void* out
  lpBufferSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetEnumResourceA';

result := DllCall("MPR\WNetEnumResourceA"
    , "Ptr", hEnum   ; HANDLE
    , "Ptr", lpcCount   ; DWORD* in/out
    , "Ptr", lpBuffer   ; void* out
    , "Ptr", lpBufferSize   ; DWORD* in/out
    , "UInt")   ; return: WIN32_ERROR

●WNetEnumResourceA(hEnum, lpcCount, lpBuffer, lpBufferSize) = DLL("MPR.dll", "dword WNetEnumResourceA(void*, void*, void*, void*)")
# 呼び出し: WNetEnumResourceA(hEnum, lpcCount, lpBuffer, lpBufferSize)
# hEnum : HANDLE -> "void*"
# lpcCount : DWORD* in/out -> "void*"
# lpBuffer : void* out -> "void*"
# lpBufferSize : DWORD* in/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 WNetEnumResourceA(
    hEnum: ?*anyopaque, // HANDLE
    lpcCount: [*c]u32, // DWORD* in/out
    lpBuffer: ?*anyopaque, // void* out
    lpBufferSize: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) u32;

proc WNetEnumResourceA(
    hEnum: pointer,  # HANDLE
    lpcCount: ptr uint32,  # DWORD* in/out
    lpBuffer: pointer,  # void* out
    lpBufferSize: ptr uint32  # DWORD* in/out
): uint32 {.importc: "WNetEnumResourceA", stdcall, dynlib: "MPR.dll".}

pragma(lib, "mpr");
extern(Windows)
uint WNetEnumResourceA(
    void* hEnum,   // HANDLE
    uint* lpcCount,   // DWORD* in/out
    void* lpBuffer,   // void* out
    uint* lpBufferSize   // DWORD* in/out
);

ccall((:WNetEnumResourceA, "MPR.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{UInt32}, Ptr{Cvoid}, Ptr{UInt32}),
      hEnum, lpcCount, lpBuffer, lpBufferSize)
# hEnum : HANDLE -> Ptr{Cvoid}
# lpcCount : DWORD* in/out -> Ptr{UInt32}
# lpBuffer : void* out -> Ptr{Cvoid}
# lpBufferSize : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t WNetEnumResourceA(
    void* hEnum,
    uint32_t* lpcCount,
    void* lpBuffer,
    uint32_t* lpBufferSize);
]]
local mpr = ffi.load("mpr")
-- mpr.WNetEnumResourceA(hEnum, lpcCount, lpBuffer, lpBufferSize)
-- hEnum : HANDLE
-- lpcCount : DWORD* in/out
-- lpBuffer : void* out
-- lpBufferSize : DWORD* in/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 WNetEnumResourceA = lib.func('__stdcall', 'WNetEnumResourceA', 'uint32_t', ['void *', 'uint32_t *', 'void *', 'uint32_t *']);
// WNetEnumResourceA(hEnum, lpcCount, lpBuffer, lpBufferSize)
// hEnum : HANDLE -> 'void *'
// lpcCount : DWORD* in/out -> 'uint32_t *'
// lpBuffer : void* out -> 'void *'
// lpBufferSize : DWORD* in/out -> 'uint32_t *'
// 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", {
  WNetEnumResourceA: { parameters: ["pointer", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.WNetEnumResourceA(hEnum, lpcCount, lpBuffer, lpBufferSize)
// hEnum : HANDLE -> "pointer"
// lpcCount : DWORD* in/out -> "pointer"
// lpBuffer : void* out -> "pointer"
// lpBufferSize : DWORD* in/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 WNetEnumResourceA(
    void* hEnum,
    uint32_t* lpcCount,
    void* lpBuffer,
    uint32_t* lpBufferSize);
C, "MPR.dll");
// $ffi->WNetEnumResourceA(hEnum, lpcCount, lpBuffer, lpBufferSize);
// hEnum : HANDLE
// lpcCount : DWORD* in/out
// lpBuffer : void* out
// lpBufferSize : DWORD* in/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 WNetEnumResourceA(
        Pointer hEnum,   // HANDLE
        IntByReference lpcCount,   // DWORD* in/out
        Pointer lpBuffer,   // void* out
        IntByReference lpBufferSize   // DWORD* in/out
    );
}

@[Link("mpr")]
lib LibMPR
  fun WNetEnumResourceA = WNetEnumResourceA(
    hEnum : Void*,   # HANDLE
    lpcCount : UInt32*,   # DWORD* in/out
    lpBuffer : Void*,   # void* out
    lpBufferSize : UInt32*   # DWORD* in/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 WNetEnumResourceANative = Uint32 Function(Pointer<Void>, Pointer<Uint32>, Pointer<Void>, Pointer<Uint32>);
typedef WNetEnumResourceADart = int Function(Pointer<Void>, Pointer<Uint32>, Pointer<Void>, Pointer<Uint32>);
final WNetEnumResourceA = DynamicLibrary.open('MPR.dll')
    .lookupFunction<WNetEnumResourceANative, WNetEnumResourceADart>('WNetEnumResourceA');
// hEnum : HANDLE -> Pointer<Void>
// lpcCount : DWORD* in/out -> Pointer<Uint32>
// lpBuffer : void* out -> Pointer<Void>
// lpBufferSize : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WNetEnumResourceA(
  hEnum: THandle;   // HANDLE
  lpcCount: Pointer;   // DWORD* in/out
  lpBuffer: Pointer;   // void* out
  lpBufferSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetEnumResourceA';

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

foreign import stdcall safe "WNetEnumResourceA"
  c_WNetEnumResourceA :: Ptr () -> Ptr Word32 -> Ptr () -> Ptr Word32 -> IO Word32
-- hEnum : HANDLE -> Ptr ()
-- lpcCount : DWORD* in/out -> Ptr Word32
-- lpBuffer : void* out -> Ptr ()
-- lpBufferSize : DWORD* in/out -> Ptr Word32
-- 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 wnetenumresourcea =
  foreign "WNetEnumResourceA"
    ((ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> (ptr uint32_t) @-> returning uint32_t)
(* hEnum : HANDLE -> (ptr void) *)
(* lpcCount : DWORD* in/out -> (ptr uint32_t) *)
(* lpBuffer : void* out -> (ptr void) *)
(* lpBufferSize : DWORD* in/out -> (ptr uint32_t) *)
(* 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 ("WNetEnumResourceA" wnet-enum-resource-a :convention :stdcall) :uint32
  (h-enum :pointer)   ; HANDLE
  (lpc-count :pointer)   ; DWORD* in/out
  (lp-buffer :pointer)   ; void* out
  (lp-buffer-size :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WNetEnumResourceA = Win32::API::More->new('MPR',
    'DWORD WNetEnumResourceA(HANDLE hEnum, LPVOID lpcCount, LPVOID lpBuffer, LPVOID lpBufferSize)');
# my $ret = $WNetEnumResourceA->Call($hEnum, $lpcCount, $lpBuffer, $lpBufferSize);
# hEnum : HANDLE -> HANDLE
# lpcCount : DWORD* in/out -> LPVOID
# lpBuffer : void* out -> LPVOID
# lpBufferSize : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。