default nick to user - irc - IRC client based on c9x.me/irc client
 (HTM) git clone git://git.codemadness.org/irc
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       ---
 (DIR) commit 8bc46324826d19a8fcf0f09a2721f8edd1ef560b
 (DIR) parent 240a558ac936ef74f05ee3558dac433d29073f0f
 (HTM) Author: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
       Date:   Sun, 22 Jan 2017 20:47:39 -0500
       
       default nick to user
       
       Diffstat:
         M irc.c                               |       6 ++++--
       
       1 file changed, 4 insertions(+), 2 deletions(-)
       ---
 (DIR) diff --git a/irc.c b/irc.c
       @@ -844,12 +844,14 @@ main(int argc, char *argv[])
                                port = optarg;
                                break;
                        }
       +        if (!user)
       +                user = "anonymous";
                if (!nick[0] && ircnick && strlen(ircnick) < sizeof nick)
                        strcpy(nick, ircnick);
       +        if (!nick[0] && strlen(user) < sizeof nick)
       +                strcpy(nick, user);
                if (!nick[0])
                        goto usage;
       -        if (!user)
       -                user = "anonymous";
                tinit();
                err = dial(server, port);
                if (err)