X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Funsetenv.c;h=90b8449126761ceadf8f861ad93a59e385a280ef;hb=57fdfd3f8ec62b105c53bcdf6f127c35c7fe7391;hp=4b53fc9c8bda2ec948a2e25c8dce67bdfe7c3b6c;hpb=267a39bafd249d7eb9c37df06dc6defcf41cb343;p=pspp

diff --git a/lib/unsetenv.c b/lib/unsetenv.c
index 4b53fc9c8b..90b8449126 100644
--- a/lib/unsetenv.c
+++ b/lib/unsetenv.c
@@ -1,37 +1,29 @@
-/* Copyright (C) 1992,1995-1999,2000-2002 Free Software Foundation, Inc.
+/* Copyright (C) 1992,1995-1999,2000-2002,2005-2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
-   This program is free software; you can redistribute it and/or modify
+   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.
+   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, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
 
 #include <errno.h>
 #if !_LIBC
-# if !defined errno && !defined HAVE_ERRNO_DECL
-extern int errno;
-# endif
 # define __set_errno(ev) ((errno) = (ev))
 #endif
 
 #include <stdlib.h>
 #include <string.h>
-#if _LIBC || HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include <unistd.h>
 
 #if !_LIBC
 # define __environ	environ