/*
 * Program:	Operating-system dependent routines -- VAX Ultrix 2.3 version
 *
 * Author:	Mark Crispin
 *		Networks and Distributed Computing
 *		Computing & Communications
 *		University of Washington
 *		Administration Building, AG-44
 *		Seattle, WA  98195
 *
 * Date:	11 May 1989
 * Last Edited:	2 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 "tcp_unix.h"		/* must be before osdep includes tcp.h */
#include "mail.h"
#include "osdep.h"
#include <stdio.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <ctype.h>
#include <errno.h>
extern int errno;		/* just in case */
#include <pwd.h>
#include "misc.h"

#define NFDBITS	(sizeof(long) * 8)

#define	FD_SET(n, p)	((p)->fds_bits[(n)/NFDBITS] |= \
					(1 << ((n) % NFDBITS)))
#define	FD_CLR(n, p)	((p)->fds_bits[(n)/NFDBITS] &= \
					~(1 << ((n) % NFDBITS)))
#define	FD_ISSET(n, p)	((p)->fds_bits[(n)/NFDBITS] & \
					(1 << ((n) % NFDBITS)))
#define FD_ZERO(p)	bzero((char *)(p), sizeof(*(p)))


/* Old Ultrix has its own wierd inet_addr() that returns a in_addr struct. */

/* Portable inet_addr () that returns a u_long
 * Accepts: dotted host string
 * Returns: u_long
 */

u_long portable_inet_addr (char *hostname)
{
  struct in_addr *in = &inet_addr (hostname);
  return in->s_addr;
}


#define inet_addr portable_inet_addr

#include "fs_unix.c"
#include "ftl_unix.c"
#include "nl_unix.c"
#include "env_unix.c"
#define fork vfork
#include "tcp_unix.c"
#include "gr_wait.c"
#include "memmove.c"
#include "strerror.c"
#include "strstr.c"
#include "strtoul.c"
#include "tz_nul.c"