-/* Copyright (C) 1991, 1994-2002, 2005, 2008-2010 Free Software Foundation,
+/* Copyright (C) 1991, 1994-2002, 2005, 2008-2014 Free Software Foundation,
Inc.
This file is part of the GNU C Library.
# include <config.h>
#endif
+/* Specification. */
+#include <string.h>
+
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
#ifdef _LIBC
# include <libintl.h>
#else /* !_LIBC */
/* NetBSD declares sys_siglist in unistd.h. */
-# include <unistd.h>
+# if HAVE_UNISTD_H
+# include <unistd.h>
+# endif
# define INTUSE(x) (x)