pmt: revert 7f8090b

include/libgnulib/xgetdomainname.h

@@ -1,48 +0,0 @@
-/* xgetdomainname.h -- Return the NIS domain name, without size limitations.
-   Copyright (C) 1992, 1996, 2000-2001, 2003, 2009-2024 Free Software
-   Foundation, Inc.
-
-   This program is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation, either version 3 of the License, or
-   (at your option) any later version.
-
-   This program 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 General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
-
-#ifndef _XGETDOMAINNAME_H
-#define _XGETDOMAINNAME_H
-
-/* This file uses _GL_ATTRIBUTE_MALLOC.  */
-#if !_GL_CONFIG_H_INCLUDED
- #error "Please include config.h first."
-#endif
-
-#include <stdlib.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/* Return the NIS domain name of the machine, in malloc'd storage.
-   WARNING! The NIS domain name is unrelated to the fully qualified host name
-            of the machine.  It is also unrelated to email addresses.
-   WARNING! The NIS domain name is usually the empty string or "(none)" when
-            not using NIS.
-   If malloc fails, exit.
-   Upon any other failure, set errno and return NULL.  */
-extern char *xgetdomainname (void)
-  _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE;
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _XGETDOMAINNAME_H */