flamer@omsvax.UUCP (08/15/83)
/* Program: nwrite.
* Author: Jim Earenluindil Trethewey.
* Version: 2.08 (VAX edition).
* Index: CSD246.
* Date: 27-Apr-1983.
* Last-edit: 08-Jul-1983.
* Language: C.
* Ppn: /rl2/cs414/trethewe.
* For: CS 416, Operating Systems III, Toshi Minoura.
* Oregon State University, Corvallis, Oregon.
*
* This is a UNIX multi-user interprocess communications (IPC) program.
*
* This module, nwrite.h, contains major data declarations.
*
*/
float version = 2.08;
char as_of [] = "08-Jul-1983";
#include <ctype.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <signal.h>
#include <sgtty.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <time.h>
#include <utmp.h>
#ifndef myname
#include <ident.h>
#endif
#define CTRL(x) ('x' & 037)
#define SPACE ' '
#define ESCAPE CTRL([)
#define TILDE '~'
#define BEEP CTRL(G)
#define CRLF '\n'
#define ERASE "\b \b"
#define YES 1
#define NO 0
#define S_OWRITE 0000002
#define TTY 0
#define f_EOF 0
#define MODE 0600
#define MAX_FILES 20
/*
* The following entries are system dependant: change as needed.
*/
char h_conv [] = "/tmp/nwrite.conv%d";
char h_temp [] = "/tmp/nwrite.XXXXXX";
char h_mfd [] = "/tmp/nwrite.master";
char h_tty [] = "/dev/";
char h_utmp [] = "/etc/utmp";
char sh [] = "/bin/sh";
/*
* Global declarations.
*/
struct mct
{
int conversation;
char person [12];
char location [12];
char time_on [26];
};
struct mct_node
{
struct mct record;
struct mct_node *next;
};
struct mct mfd;
struct mct_node *t_o_s, *ptr, *ptr_1, *ptr_2;
struct ltchars old_ltchars, new_ltchars;
short old_lmodes, new_lmodes;
struct sgttyb old_tty, new_tty;
struct stat stat_buf;
struct utmp ubuf;
FILE *fopen(), *popen(), *fclose();
FILE *f_conv, *f_mail, *f_master, *f_otty, *f_pager, *f_tty, *f_utmp;
FILE *out_file [MAX_FILES];
int isatty(), stat();
int ctrl_pipe [2];
int can_call, column, conversation, done, echo, found_conversation;
int logged_on, match_tty, n, name_match, reader, was_found, writing;
int n_open_files;
int timed_out;
extern sigset (), alarm ();
extern add_mfrec (), analyze (), ascii_time ();
extern back_up (), call_up (), choose_conversation ();
extern close_talk_files (), delete_mfrec ();
extern enter_conference (), eval_input (), force (), get_line (), hang_up ();
extern help (), help_text (), id_me (), init_tty_context ();
extern load_mfd (), lookup_callee_on_system (), mfd_search (), open_master ();
extern open_talk_files (), over (), P (), page_confirm ();
extern parse_request (), please_no (), position (), print_header (), quit ();
extern read_master (), read_pipe (), receive_message (), restore_tty_context ();
extern ring_ring (), save_tty_context (), send_message (), set_up ();
extern shell_escape (), show_char (), store_mfd (), text_process ();
extern tilde_escape (), time_out (), toggle_echo (), trapse_list ();
extern V (), who (), write_master (), write_pipe ();
int debug = NO;
unsigned dead_man = 15;
char **environ;
char *ctime(), *getlogin(), *rindex(), *ttyname();
char *malloc (), *getenv (), *mktemp ();
char ch;
char callee [12];
char current_time [26];
char his_tty [12];
char line [132];
char message [132];
char my_devtty [50];
char tmp_file [50];
char f_devtty [50];
char my_name [12];
char my_tty [12];
char lead_in;
char pattern [] = "-e";
/*
* Compile this program with the following commands:
*
* cc nwrite.c -ljobs (note that nwrite.h better be handy)
* mv a.out nwrite
* chmod u+s nwrite
*/