UnlockUrlCacheEntryStream

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

BOOL UnlockUrlCacheEntryStream(
    HANDLE hUrlCacheStream,
    DWORD Reserved   // optional
);

<DllImport("WININET.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function UnlockUrlCacheEntryStream(
    hUrlCacheStream As IntPtr,   ' HANDLE
    Reserved As UInteger   ' DWORD optional
) As Boolean
End Function

' hUrlCacheStream : HANDLE
' Reserved : DWORD optional
Declare PtrSafe Function UnlockUrlCacheEntryStream Lib "wininet" ( _
    ByVal hUrlCacheStream As LongPtr, _
    ByVal Reserved 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

UnlockUrlCacheEntryStream = ctypes.windll.wininet.UnlockUrlCacheEntryStream
UnlockUrlCacheEntryStream.restype = wintypes.BOOL
UnlockUrlCacheEntryStream.argtypes = [
    wintypes.HANDLE,  # hUrlCacheStream : HANDLE
    wintypes.DWORD,  # Reserved : DWORD optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
UnlockUrlCacheEntryStream = Fiddle::Function.new(
  lib['UnlockUrlCacheEntryStream'],
  [
    Fiddle::TYPE_VOIDP,  # hUrlCacheStream : HANDLE
    -Fiddle::TYPE_INT,  # Reserved : DWORD optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn UnlockUrlCacheEntryStream(
        hUrlCacheStream: *mut core::ffi::c_void,  // HANDLE
        Reserved: u32  // DWORD optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", SetLastError = true)]
public static extern bool UnlockUrlCacheEntryStream(IntPtr hUrlCacheStream, uint Reserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_UnlockUrlCacheEntryStream' -Namespace Win32 -PassThru
# $api::UnlockUrlCacheEntryStream(hUrlCacheStream, Reserved)

#uselib "WININET.dll"
#func global UnlockUrlCacheEntryStream "UnlockUrlCacheEntryStream" sptr, sptr
; UnlockUrlCacheEntryStream hUrlCacheStream, Reserved   ; 戻り値は stat
; hUrlCacheStream : HANDLE -> "sptr"
; Reserved : DWORD optional -> "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。

#uselib "WININET.dll"
#cfunc global UnlockUrlCacheEntryStream "UnlockUrlCacheEntryStream" sptr, int
; res = UnlockUrlCacheEntryStream(hUrlCacheStream, Reserved)
; hUrlCacheStream : HANDLE -> "sptr"
; Reserved : DWORD optional -> "int"

; BOOL UnlockUrlCacheEntryStream(HANDLE hUrlCacheStream, DWORD Reserved)
#uselib "WININET.dll"
#cfunc global UnlockUrlCacheEntryStream "UnlockUrlCacheEntryStream" intptr, int
; res = UnlockUrlCacheEntryStream(hUrlCacheStream, Reserved)
; hUrlCacheStream : HANDLE -> "intptr"
; Reserved : DWORD optional -> "int"

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

var (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procUnlockUrlCacheEntryStream = wininet.NewProc("UnlockUrlCacheEntryStream")
)

// hUrlCacheStream (HANDLE), Reserved (DWORD optional)
r1, _, err := procUnlockUrlCacheEntryStream.Call(
	uintptr(hUrlCacheStream),
	uintptr(Reserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function UnlockUrlCacheEntryStream(
  hUrlCacheStream: THandle;   // HANDLE
  Reserved: DWORD   // DWORD optional
): BOOL; stdcall;
  external 'WININET.dll' name 'UnlockUrlCacheEntryStream';

result := DllCall("WININET\UnlockUrlCacheEntryStream"
    , "Ptr", hUrlCacheStream   ; HANDLE
    , "UInt", Reserved   ; DWORD optional
    , "Int")   ; return: BOOL

●UnlockUrlCacheEntryStream(hUrlCacheStream, Reserved) = DLL("WININET.dll", "bool UnlockUrlCacheEntryStream(void*, dword)")
# 呼び出し: UnlockUrlCacheEntryStream(hUrlCacheStream, Reserved)
# hUrlCacheStream : HANDLE -> "void*"
# Reserved : DWORD optional -> "dword"
# 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)。