/*
 * Copyright (c) 2000, 2007, 2008 Apple Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*	$NetBSD: util.h,v 1.10 1997/12/01 02:25:46 lukem Exp $	*/

/*-
 * Copyright (c) 1995
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _UTIL_H_
#define _UTIL_H_

#include <_bounds.h>
#include <sys/cdefs.h>
#include <sys/ttycom.h>
#include <sys/types.h>
#include <stdio.h>
#include <pwd.h>
#include <termios.h>
#include <Availability.h>

_LIBC_SINGLE_BY_DEFAULT()
#define __PTYNAMELEN 128
#define _LIBC_PTYNAME_OR_NULL _LIBC_COUNT_OR_NULL(__PTYNAMELEN)

#define	PIDLOCK_NONBLOCK	1
#define PIDLOCK_USEHOSTNAME	2

/*
 * fparseln() specific operation flags.
 */
#define	FPARSELN_UNESCESC	0x01
#define	FPARSELN_UNESCCONT	0x02
#define	FPARSELN_UNESCCOMM	0x04
#define	FPARSELN_UNESCREST	0x08
#define	FPARSELN_UNESCALL	0x0f

/*
 * opendev() specific operation flags.
 */
#define OPENDEV_PART	0x01		/* Try to open the raw partition. */
#define OPENDEV_BLCK	0x04		/* Open block, not character device. */

__BEGIN_DECLS
int	login_tty(int);
void	logwtmp(const char *, const char *, const char *) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0,__MAC_10_5,__IPHONE_2_0,__IPHONE_2_0);
int	opendev(char *, int, int, char *_LIBC_CSTR *);
int	openpty(int *, int *, char * _LIBC_PTYNAME_OR_NULL,
    struct termios *, struct winsize *);
char *_LIBC_CSTR fparseln(FILE *, size_t *, size_t *, const char[3], int);
pid_t	forkpty(int *, char * _LIBC_PTYNAME_OR_NULL,
    struct termios *, struct winsize *);
int	pidlock(const char *, int, pid_t *, const char *);
int	ttylock(const char *, int, pid_t *);
int	ttyunlock(const char *);
int	ttyaction(char *tty, char *act, char *user);
struct iovec;
char   *ttymsg(struct iovec *, int, const char *, int);
__END_DECLS

#endif /* !_UTIL_H_ */
