.\" Process this file with
.\" groff -man -Tascii foo.1
.\"
.TH SP_JOIN 3 "JULY 1998" SPREAD "User Manuals"
.SH NAME
SP_join \- create connection between app and daemon
.SH SYNOPSIS
.B #include <sp.h>
.br
.BI "int SP_join( mailbox " mbox ", const char *" group );
.SH DESCRIPTION
.B SP_join
joins a group with the name passed as the string
.I group.
If the group does not exist amoung the Spread daemons it
is created, otherwise the Join joins the existing group.
The
.I mbox
of the connection upon which to join a group is the first parameter.</P>
The
.I group
 string represents the name of the group to join.
.SH "RETURN VALUES"
Returns 0 on success or one of the following errors ( < 0 ):
.TP 0.8i
.B ILLEGAL_GROUP
The 
.I group
given to join was illegal for some reason. Usually because it was of 
length 0 or length > MAX_GROUP_NAME
.TP
.B ILLEGAL_SESSION
The session specified by
.I mbox
is illegal. Usually because it is not active.
.TP
.B CONNECTION_CLOSED
During communication errors occured
and the join could not be initiated.
.SH BUGS
None.
.SH AUTHOR
Yair Amir <yairamir@cnds.jhu.edu>
.br
Jonathan Stanton <jonathan@cnds.jhu.edu>
.br
Commedia Project <commedia@cnds.jhu.edu>
.SH "SEE ALSO"
.BR libsp (3)