/usr/include/wine-development/windows/unknwn.idl is in libwine-development-dev 1.9.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | /*
 * Copyright 2002 Ove Kaaven
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */
#ifndef DO_NO_IMPORTS
import "wtypes.idl";
#endif
cpp_quote("#ifdef __WINESRC__")
cpp_quote("#define WIDL_C_INLINE_WRAPPERS")
cpp_quote("#endif")
cpp_quote("#ifdef WIDL_C_INLINE_WRAPPERS")
cpp_quote("#define SAVE_WIDL_C_INLINE_WRAPPERS")
cpp_quote("#undef WIDL_C_INLINE_WRAPPERS")
cpp_quote("#endif")
[
  local,
  object,
  uuid(00000000-0000-0000-C000-000000000046),
  pointer_default(unique)
]
interface IUnknown
{
  typedef [unique] IUnknown *LPUNKNOWN;
  HRESULT QueryInterface(
    [in] REFIID riid,
    [out, iid_is(riid)] void **ppvObject);
  ULONG AddRef();
  ULONG Release();
}
cpp_quote("#ifdef SAVE_WIDL_C_INLINE_WRAPPERS")
cpp_quote("#define WIDL_C_INLINE_WRAPPERS")
cpp_quote("#endif")
[
  object,
  uuid(00000001-0000-0000-C000-000000000046),
  pointer_default(unique)
]
interface IClassFactory : IUnknown
{
  typedef [unique] IClassFactory *LPCLASSFACTORY;
  [local]
  HRESULT CreateInstance(
    [in, unique] IUnknown *pUnkOuter,
    [in] REFIID riid,
    [out, iid_is(riid)] void **ppvObject);
  [call_as(CreateInstance)]
  HRESULT RemoteCreateInstance(
    [in] REFIID riid,
    [out, iid_is(riid)] IUnknown **ppvObject);
  [local]
  HRESULT LockServer(
    [in] BOOL fLock);
  [call_as(LockServer)]
  HRESULT RemoteLockServer(
    [in] BOOL fLock);
}
 |