InternetFindNextFileW

// WININET.dll  (Unicode / -W)
#include <windows.h>

BOOL InternetFindNextFileW(
    void* hFind,
    void* lpvFindData
);

<DllImport("WININET.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function InternetFindNextFileW(
    hFind As IntPtr,   ' void*
    lpvFindData As IntPtr   ' void* out
) As Boolean
End Function

' hFind : void*
' lpvFindData : void* out
Declare PtrSafe Function InternetFindNextFileW Lib "wininet" ( _
    ByVal hFind As LongPtr, _
    ByVal lpvFindData As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

InternetFindNextFileW = ctypes.windll.wininet.InternetFindNextFileW
InternetFindNextFileW.restype = wintypes.BOOL
InternetFindNextFileW.argtypes = [
    ctypes.POINTER(None),  # hFind : void*
    ctypes.POINTER(None),  # lpvFindData : void* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
InternetFindNextFileW = Fiddle::Function.new(
  lib['InternetFindNextFileW'],
  [
    Fiddle::TYPE_VOIDP,  # hFind : void*
    Fiddle::TYPE_VOIDP,  # lpvFindData : void* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "wininet")]
extern "system" {
    fn InternetFindNextFileW(
        hFind: *mut (),  // void*
        lpvFindData: *mut ()  // void* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool InternetFindNextFileW(IntPtr hFind, IntPtr lpvFindData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_InternetFindNextFileW' -Namespace Win32 -PassThru
# $api::InternetFindNextFileW(hFind, lpvFindData)

#uselib "WININET.dll"
#func global InternetFindNextFileW "InternetFindNextFileW" wptr, wptr
; InternetFindNextFileW hFind, lpvFindData   ; 戻り値は stat
; hFind : void* -> "wptr"
; lpvFindData : void* out -> "wptr"
; ※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 "WININET.dll"
#cfunc global InternetFindNextFileW "InternetFindNextFileW" sptr, sptr
; res = InternetFindNextFileW(hFind, lpvFindData)
; hFind : void* -> "sptr"
; lpvFindData : void* out -> "sptr"

; BOOL InternetFindNextFileW(void* hFind, void* lpvFindData)
#uselib "WININET.dll"
#cfunc global InternetFindNextFileW "InternetFindNextFileW" intptr, intptr
; res = InternetFindNextFileW(hFind, lpvFindData)
; hFind : void* -> "intptr"
; lpvFindData : void* out -> "intptr"

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

var (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procInternetFindNextFileW = wininet.NewProc("InternetFindNextFileW")
)

// hFind (void*), lpvFindData (void* out)
r1, _, err := procInternetFindNextFileW.Call(
	uintptr(hFind),
	uintptr(lpvFindData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function InternetFindNextFileW(
  hFind: Pointer;   // void*
  lpvFindData: Pointer   // void* out
): BOOL; stdcall;
  external 'WININET.dll' name 'InternetFindNextFileW';

result := DllCall("WININET\InternetFindNextFileW"
    , "Ptr", hFind   ; void*
    , "Ptr", lpvFindData   ; void* out
    , "Int")   ; return: BOOL

●InternetFindNextFileW(hFind, lpvFindData) = DLL("WININET.dll", "bool InternetFindNextFileW(void*, void*)")
# 呼び出し: InternetFindNextFileW(hFind, lpvFindData)
# hFind : void* -> "void*"
# lpvFindData : void* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。