os_ptx.h

mgcp协议源代码。支持多种编码：g711

/*
 * Program:	Operating-system dependent routines -- PTX version
 *
 * Author:	Mark Crispin
 *		Networks and Distributed Computing
 *		Computing & Communications
 *		University of Washington
 *		Administration Building, AG-44
 *		Seattle, WA  98195
 *		Internet: [e-mail]
 *
 * Date:	11 May 1989
 * Last Edited:	30 December 1997
 *
 * Copyright 1997 by the University of Washington
 *
 *  Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted, provided
 * that the above copyright notice appears in all copies and that both the
 * above copyright notice and this permission notice appear in supporting
 * documentation, and that the name of the University of Washington not be
 * used in advertising or publicity pertaining to distribution of the software
 * without specific, written prior permission.  This software is made
 * available "as is", and
 * THE UNIVERSITY OF WASHINGTON DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED,
 * WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION ALL IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND IN
 * NO EVENT SHALL THE UNIVERSITY OF WASHINGTON BE LIABLE FOR ANY SPECIAL,
 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, TORT
 * (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

#include <string.h>

#include <sys/types.h>
#include <sys/dir.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <time.h>
#include <utime.h>
#include <dirent.h>
#include <stropts.h>		/* needed in daemons */
#include <syslog.h>
#include <sys/file.h>
#include <ustat.h>


/* Different names, equivalent things in BSD and SysV */

#define L_SET SEEK_SET
#define L_INCR SEEK_CUR
#define L_XTND SEEK_END

#define direct dirent
#define random lrand48


/* For flock() emulation */

#define flock bsd_flock

#define LOCK_SH 1
#define LOCK_EX 2
#define LOCK_NB 4
#define LOCK_UN 8

#define utime portable_utime
int portable_utime (char *file,time_t timep[2]);

#include "env_unix.h"
#include "fs.h"
#include "ftl.h"
#include "nl.h"
#include "tcp.h"
#include "lockfix.h"

long gethostid (void);
typedef int (*select_t) (struct direct *name);
typedef int (*compar_t) (void *d1,void *d2);
int scandir (char *dirname,struct direct ***namelist,select_t select,
	     compar_t compar);
int bsd_flock (int fd,int operation);
long ENV_INIT (char *user,char *home);