+/* getdomainname - Return the NIS domain name.
+ Copyright (C) 2003 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 2, 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, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#ifndef _GETDOMAINNAME_H
+#define _GETDOMAINNAME_H
+
+#if HAVE_GETDOMAINNAME
+
+/* Get getdomainname() declaration. */
+# include <unistd.h>
+
+#else
+
+# include <stddef.h>
+
+/* Return the NIS domain name of the machine.
+ 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 when not using NIS.
+
+ Put up to LEN bytes of the NIS domain name into NAME.
+ Null terminate it if the name is shorter than LEN.
+ Return 0 if successful, otherwise set errno and return -1. */
+extern int getdomainname(char *name, size_t len);
+
+#endif /* HAVE_GETDOMAINNAME */
+
+#endif /* _GETDOMAINNAME_H */