-/* Copyright (C) 1991-1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1999,2000,2001,2002,2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
# include <bits/sigstack.h>
# ifdef __USE_XOPEN
-# include <ucontext.h>
+/* This will define `ucontext_t' and `mcontext_t'. */
+# include <sys/ucontext.h>
# endif
/* Run signals handlers on the stack specified by SS (if not NULL).