/*
 * Program:	Operating-system dependent routines -- AIX 3.2 on RS6000
 *
 * Author:	Mark Crispin
 *		Networks and Distributed Computing
 *		Computing & Communications
 *		University of Washington
 *		Administration Building, AG-44
 *		Seattle, WA  98195
 *		Internet: MRC@CAC.Washington.EDU
 *
 * Date:	1 August 1988
 * Last Edited:	16 August 1993
 *
 * Copyright 1993 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.
 *
 */


#define MAILFILE "/usr/spool/mail/%s"
#define ACTIVEFILE "/usr/lib/news/active"
#define NEWSSPOOL "/usr/spool/news"
#define NEWSRC strcat (strcpy (tmp,myhomedir ()),"/.newsrc")
#define NFSKLUDGE

#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/dir.h>
#include <time.h>		/* for struct tm */
#include <sys/uio.h>		/* needed for writev() prototypes */
#include <dirent.h>

#define const			/* AIX dosen't like const */

/* For flock() emulation */

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


extern char *strerror ();

/* Dummy definition overridden by TCP routines */

#ifndef TCPSTREAM
#define TCPSTREAM void
#endif


/* Function prototypes */

void rfc822_date (char *date);
void *fs_get (size_t size);
void fs_resize (void **block,size_t size);
void fs_give (void **block);
void fatal (char *string);
unsigned long strcrlfcpy (char **dst,unsigned long *dstl,char *src,
			  unsigned long srcl);
unsigned long strcrlflen (STRING *s);
long server_login (char *user,char *pass,char **home,int argc,char *argv[]);
char *myusername ();
char *myhomedir ();
char *lockname (char *tmp,char *fname);
TCPSTREAM *tcp_open (char *host,int port);
TCPSTREAM *tcp_aopen (char *host,char *service);
char *tcp_getline (TCPSTREAM *stream);
long tcp_getbuffer (TCPSTREAM *stream,unsigned long size,char *buffer);
long tcp_getdata (TCPSTREAM *stream);
long tcp_soutr (TCPSTREAM *stream,char *string);
long tcp_sout (TCPSTREAM *stream,char *string,unsigned long size);
void tcp_close (TCPSTREAM *stream);
char *tcp_host (TCPSTREAM *stream);
char *tcp_localhost (TCPSTREAM *stream);