public
    IRC_OnUserJoinChannel(botid, channel[], user[], host[])
{
    printf("*** IRC_OnUserJoinChannel (Bot ID %d): User %s (%s) joined channel %s!", botid, user, host, channel);
 add here if(!strcmp(channel,"blabla")) { or so i FORGOT HOW TO
    new msg[128];
    format(msg,sizeof(msg),"Hello %s",user);
    if(botid == 1) { IRC_Say...(gbotid(DK_WHAT),user,msg); }
}
    return 1;
}