1ea022d16SRodney W. Grimes.\" Copyright (c) 1983, 1991, 1993 2ea022d16SRodney W. Grimes.\" The Regents of the University of California. All rights reserved. 3ea022d16SRodney W. Grimes.\" 4ea022d16SRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without 5ea022d16SRodney W. Grimes.\" modification, are permitted provided that the following conditions 6ea022d16SRodney W. Grimes.\" are met: 7ea022d16SRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright 8ea022d16SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer. 9ea022d16SRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright 10ea022d16SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer in the 11ea022d16SRodney W. Grimes.\" documentation and/or other materials provided with the distribution. 12ea022d16SRodney W. Grimes.\" 3. All advertising materials mentioning features or use of this software 13ea022d16SRodney W. Grimes.\" must display the following acknowledgement: 14ea022d16SRodney W. Grimes.\" This product includes software developed by the University of 15ea022d16SRodney W. Grimes.\" California, Berkeley and its contributors. 16ea022d16SRodney W. Grimes.\" 4. Neither the name of the University nor the names of its contributors 17ea022d16SRodney W. Grimes.\" may be used to endorse or promote products derived from this software 18ea022d16SRodney W. Grimes.\" without specific prior written permission. 19ea022d16SRodney W. Grimes.\" 20ea022d16SRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21ea022d16SRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22ea022d16SRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23ea022d16SRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24ea022d16SRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25ea022d16SRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26ea022d16SRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27ea022d16SRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28ea022d16SRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29ea022d16SRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30ea022d16SRodney W. Grimes.\" SUCH DAMAGE. 31ea022d16SRodney W. Grimes.\" 32ea022d16SRodney W. Grimes.\" @(#)talkd.8 8.2 (Berkeley) 12/11/93 33ea022d16SRodney W. Grimes.\" 34ea022d16SRodney W. Grimes.Dd December 11, 1993 35ea022d16SRodney W. Grimes.Dt TALKD 8 36ea022d16SRodney W. Grimes.Os BSD 4.3 37ea022d16SRodney W. Grimes.Sh NAME 38ea022d16SRodney W. Grimes.Nm talkd 39ea022d16SRodney W. Grimes.Nd remote user communication server 40ea022d16SRodney W. Grimes.Sh SYNOPSIS 41ea022d16SRodney W. Grimes.Nm talkd 42ea022d16SRodney W. Grimes.Sh DESCRIPTION 43ea022d16SRodney W. Grimes.Nm Talkd 44ea022d16SRodney W. Grimesis the server that notifies a user that someone else wants to 45ea022d16SRodney W. Grimesinitiate a conversation. 46ea022d16SRodney W. GrimesIt acts as a repository of invitations, responding to requests 47ea022d16SRodney W. Grimesby clients wishing to rendezvous to hold a conversation. 48ea022d16SRodney W. GrimesIn normal operation, a client, the caller, 49ea022d16SRodney W. Grimesinitiates a rendezvous by sending a 50ea022d16SRodney W. Grimes.Tn CTL_MSG 51ea022d16SRodney W. Grimesto the server of 52ea022d16SRodney W. Grimestype 53ea022d16SRodney W. Grimes.Tn LOOK_UP 54ea022d16SRodney W. Grimes(see 55ea022d16SRodney W. Grimes.Aq Pa protocols/talkd.h ) . 56ea022d16SRodney W. GrimesThis causes the server to search its invitation 57ea022d16SRodney W. Grimestables to check if an invitation currently exists for the caller 58ea022d16SRodney W. Grimes(to speak to the callee specified in the message). 59ea022d16SRodney W. GrimesIf the lookup fails, 60ea022d16SRodney W. Grimesthe caller then sends an 61ea022d16SRodney W. Grimes.Tn ANNOUNCE 62ea022d16SRodney W. Grimesmessage causing the server to 63ea022d16SRodney W. Grimesbroadcast an announcement on the callee's login ports requesting contact. 64ea022d16SRodney W. GrimesWhen the callee responds, the local server uses the 65ea022d16SRodney W. Grimesrecorded invitation to respond with the appropriate rendezvous 66ea022d16SRodney W. Grimesaddress and the caller and callee client programs establish a 67ea022d16SRodney W. Grimesstream connection through which the conversation takes place. 68ea022d16SRodney W. Grimes.Sh SEE ALSO 69ea022d16SRodney W. Grimes.Xr talk 1 , 70ea022d16SRodney W. Grimes.Xr write 1 71ea022d16SRodney W. Grimes.Sh HISTORY 72ea022d16SRodney W. GrimesThe 73ea022d16SRodney W. Grimes.Nm 74ea022d16SRodney W. Grimescommand appeared in 75ea022d16SRodney W. Grimes.Bx 4.3 . 76