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. 12*5efaea4cSChristian Brueffer.\" 3. Neither the name of the University nor the names of its contributors 13ea022d16SRodney W. Grimes.\" may be used to endorse or promote products derived from this software 14ea022d16SRodney W. Grimes.\" without specific prior written permission. 15ea022d16SRodney W. Grimes.\" 16ea022d16SRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17ea022d16SRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18ea022d16SRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19ea022d16SRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20ea022d16SRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21ea022d16SRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22ea022d16SRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23ea022d16SRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24ea022d16SRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25ea022d16SRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26ea022d16SRodney W. Grimes.\" SUCH DAMAGE. 27ea022d16SRodney W. Grimes.\" 28ea022d16SRodney W. Grimes.Dd December 11, 1993 29ea022d16SRodney W. Grimes.Dt TALKD 8 300efe23d6SRuslan Ermilov.Os 31ea022d16SRodney W. Grimes.Sh NAME 32ea022d16SRodney W. Grimes.Nm talkd 33ea022d16SRodney W. Grimes.Nd remote user communication server 34ea022d16SRodney W. Grimes.Sh SYNOPSIS 3576081989SRuslan Ermilov.Nm 36ea022d16SRodney W. Grimes.Sh DESCRIPTION 373f162cb8SPhilippe CharnierThe 383f162cb8SPhilippe Charnier.Nm 393f162cb8SPhilippe Charnierutility 40ea022d16SRodney W. Grimesis the server that notifies a user that someone else wants to 41ea022d16SRodney W. Grimesinitiate a conversation. 42ea022d16SRodney W. GrimesIt acts as a repository of invitations, responding to requests 43ea022d16SRodney W. Grimesby clients wishing to rendezvous to hold a conversation. 44ea022d16SRodney W. GrimesIn normal operation, a client, the caller, 45ea022d16SRodney W. Grimesinitiates a rendezvous by sending a 46ea022d16SRodney W. Grimes.Tn CTL_MSG 47ea022d16SRodney W. Grimesto the server of 48ea022d16SRodney W. Grimestype 49ea022d16SRodney W. Grimes.Tn LOOK_UP 50ea022d16SRodney W. Grimes(see 51fe08efe6SRuslan Ermilov.In protocols/talkd.h ) . 52ea022d16SRodney W. GrimesThis causes the server to search its invitation 53ea022d16SRodney W. Grimestables to check if an invitation currently exists for the caller 54ea022d16SRodney W. Grimes(to speak to the callee specified in the message). 55a846453cSPhilippe Charnier.Pp 56ea022d16SRodney W. GrimesIf the lookup fails, 57ea022d16SRodney W. Grimesthe caller then sends an 58ea022d16SRodney W. Grimes.Tn ANNOUNCE 59ea022d16SRodney W. Grimesmessage causing the server to 60ea022d16SRodney W. Grimesbroadcast an announcement on the callee's login ports requesting contact. 61a846453cSPhilippe Charnier.Pp 62ea022d16SRodney W. GrimesWhen the callee responds, the local server uses the 63ea022d16SRodney W. Grimesrecorded invitation to respond with the appropriate rendezvous 64ea022d16SRodney W. Grimesaddress and the caller and callee client programs establish a 65ea022d16SRodney W. Grimesstream connection through which the conversation takes place. 66ea022d16SRodney W. Grimes.Sh SEE ALSO 67ea022d16SRodney W. Grimes.Xr talk 1 , 68ea022d16SRodney W. Grimes.Xr write 1 69ea022d16SRodney W. Grimes.Sh HISTORY 70ea022d16SRodney W. GrimesThe 71ea022d16SRodney W. Grimes.Nm 723f162cb8SPhilippe Charnierutility appeared in 73ea022d16SRodney W. Grimes.Bx 4.3 . 74