[HAVE_UNISTD_H]: Include unistd.h so it can declare sys_siglist.

[thirdparty/glibc.git] / sysdeps / stub / sstk.c

/* Copyright (C) 1991 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
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The GNU C Library 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#include <ansidecl.h>
#include <errno.h>

/* Increase the size of the stack by INCREMENT,
   and return the address of the bottom of the stack.  */
PTR
DEFUN(sstk, (increment), int increment)
{
  errno = ENOSYS;
  return (PTR) -1;
}