[solver] /clan command code request

static int _handle_clan_command(t_connection * c, char const * text)
{
    t_account * acc=0;
    t_clanmember * member=0;
    t_clan * clan=0;

    text = skip_command(text);

    message_send_text(c,message_type_info,c,"[테스트 중인 기능입니다. 추후 클랜리셋 됩니다]");
    if ( text[0] == '\0' )
    {
        message_send_text(c,message_type_info,c,"usage:");
        message_send_text(c,message_type_info,c,"/clan public  /clan pub");
        message_send_text(c,message_type_info,c,"모두 클랜 채널에 들어가기");
        message_send_text(c,message_type_info,c,"/clan private  /clan priv");
        message_send_text(c,message_type_info,c,"클랜원만 클랜 채널에 들어가기");
        message_send_text(c,message_type_info,c,"/clan motd MESSAGE");
        message_send_text(c,message_type_info,c,"클랜 인사말 설정하기");
        message_send_text(c,message_type_info,c,"/clan create <클랜닉> <클랜채널> <ID-1> <ID-2> <ID-3> <ID-4>");
        message_send_text(c,message_type_info,c,"클랜만들기");
        message_send_text(c,message_type_info,c," - 클랜닉 : 영문과 숫자 조합 4글자");
        message_send_text(c,message_type_info,c," - 클랜채널 : 클랜의 채널 'cl-' 생략");
        message_send_text(c,message_type_info,c," - ID-1,2,3,4 : 클랜가입에 동의한 4명의 ID");
        message_send_text(c,message_type_info,c,"/c check <클랜닉>");
        message_send_text(c,message_type_info,c,"해당 클랜닉으로 클랜 생성 가능한지 확인하기");
        message_send_text(c,message_type_info,c,"/c join <클랜닉>");
        message_send_text(c,message_type_info,c,"클랜가입에 동의 하기");
        message_send_text(c,message_type_info,c,"/c remove <username>");
        message_send_text(c,message_type_info,c,"길드원 삭제하기");
        message_send_text(c,message_type_info,c,"/c add <username>");
        message_send_text(c,message_type_info,c,"길드원 추가하기, 반드시 클랜가입동의가 필요함");
        message_send_text(c,message_type_info,c,"/c list");
        message_send_text(c,message_type_info,c,"클랜원 목록보기");
        message_send_text(c,message_type_info,c,"/c m <할말>");
        message_send_text(c,message_type_info,c,"클랜원들에게 말하기");
        message_send_text(c,message_type_info,c,"/c newmaster <ID>");
        message_send_text(c,message_type_info,c,"클랜장을 다른사람에게 넘기기");
        message_send_text(c,message_type_info,c,"");
        message_send_text(c,message_type_info,c,"클랜생성시 주어지는 채널 : cl-<클랜채널>");
        return 0;
    }

    ((acc = conn_get_account(c)) && (member = account_get_clanmember(acc)) && (clan = clanmember_get_clan(member)));


            if (strstart(text,"public")==0 || strstart(text,"pub")==0) {
        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        if (clanmember_get_status(member)<CLAN_CHIEFTAIN)
            message_send_text(c,message_type_error,c,"You are not a ClanMaster!");
                if(clan_get_channel_type(clan)!=0)
                {
                    clan_set_channel_type(clan,0);
                    message_send_text(c,message_type_info,c,"Clan channel is opened up!");
                }
                else
                    message_send_text(c,message_type_error,c,"Clan channel has already been opened up!");
            }
    else if (strstart(text,"private")==0 || strstart(text,"priv")==0) {
        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        if (clanmember_get_status(member)<CLAN_CHIEFTAIN)
            message_send_text(c,message_type_error,c,"You are not a ClanMaster!");
                    if(clan_get_channel_type(clan)!=1)
                    {
                        clan_set_channel_type(clan,1);
                        message_send_text(c,message_type_info,c,"Clan channel is closed!");
                    }
                    else
                        message_send_text(c,message_type_error,c,"Clan channel has already been closed!");
                }
    else if (strstart(text,"motd")==0)
    {
                        const char * msg=skip_command(text);
        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        if (clanmember_get_status(member)<CLAN_CHIEFTAIN)
            message_send_text(c,message_type_error,c,"You are not a ClanMaster!");
                        if(msg[0]=='\0')
                        {
                            message_send_text(c,message_type_info,c,"usage:");
                            message_send_text(c,message_type_info,c,"/clan motd MESSAGE");
                            message_send_text(c,message_type_info,c,"Update the clan message of the day to MESSAGE.");
                        }
                        else
                        {
                            clan_set_motd(clan, msg);
                            message_send_text(c,message_type_info,c,"Clan message of day is updated!");
                        }
                    }
    else if (strstart(text,"add")==0 || strstart(text,"a")==0)
    {
        t_packet     * rpacket;
        t_connection     * dest_c;
        t_account        * friend_acc;
        t_server_friendslistreply_status status;
        t_game * game;
        t_channel * channel;
        char stat;
        t_clanmember *member;

        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        if (clanmember_get_status(member)<CLAN_CHIEFTAIN)
            message_send_text(c,message_type_error,c,"You are not a ClanMaster!");
        text = skip_command(text);

        if (text[0] == '\0') {
            message_send_text(c,message_type_info,c,"usage: /c add <username>");
            return 0;
        }

        if (!(friend_acc = accountlist_find_account(text))) {
            message_send_text(c,message_type_info,c,"That user does not exist.");
            return 0;
        }
        if (clan_get_member_count(clan) >= prefs_get_clan_max_members()) {
            sprintf(msgtemp, "You can only have a maximum of %d Clan members.", prefs_get_max_friends());
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        if(acc==friend_acc)
        {
            message_send_text(c,message_type_info,c,"You can't add yourself to your Clan members list.");
            return 0;
        }
        if(account_get_clan(friend_acc))
        {
            sprintf(msgtemp, "%s has Clan members already!", text);
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        if(account_get_numattr(friend_acc,"BNET\\joinclan")!=clan_get_clantag(clan))
        {
            sprintf(msgtemp, "%s님이 동의하지않으셨습니다. (동의 방법 : /clan join 클랜닉)", text);
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        if(!(member = clan_add_member(clan, friend_acc, 1)))
        {
            message_send_text(c,message_type_error,c,"Server error.");
            return 0;
        }
        sprintf( msgtemp, "Added %s to your Clan members list.", text);
        message_send_text(c,message_type_info,c,msgtemp);
        dest_c = connlist_find_connection_by_account(friend_acc);
        if(dest_c!=NULL) {
            sprintf(msgtemp,"%s added you to his/her Clan members  list.",conn_get_username(c));
            message_send_text(dest_c,message_type_info,dest_c,msgtemp);
        }
//        clanlog(clan_get_clantag(clan),"MI",text,0);
    }
    else if (strstart(text,"newmaster")==0)
    {
        t_packet     * rpacket;
        t_connection     * dest_c;
        t_account        * friend_acc;
        t_server_friendslistreply_status status;
        t_game * game;
        t_channel * channel;
        char stat;
        t_clanmember *member;

        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        if (clanmember_get_status(member)<CLAN_CHIEFTAIN)
        {
            message_send_text(c,message_type_error,c,"You are not a ClanMaster!");
            return 0;
        }
        text = skip_command(text);

        if (text[0] == '\0') {
            message_send_text(c,message_type_info,c,"usage: /c add <username>");
            return 0;
        }

        if (!(friend_acc = accountlist_find_account(text))) {
            message_send_text(c,message_type_info,c,"That user does not exist.");
            return 0;
        }
        if(acc==friend_acc)
        {
            message_send_text(c,message_type_info,c,"You can't choose yourself");
            return 0;
        }
        if(account_get_clan(friend_acc))
        {
            sprintf(msgtemp, "%s has Clan members already!", text);
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        if(clan_get_clantag(clanmember_get_clan(account_get_clanmember(friend_acc)))
                !=clan_get_clantag(clanmember_get_clan(account_get_clanmember(acc))))
        {
            sprintf(msgtemp, "%s님은 다른 클랜입니다.", text);
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        clanmember_set_status(account_get_clanmember(acc),CLAN_PEON);
        clanmember_set_status(account_get_clanmember(friend_acc),CLAN_CHIEFTAIN);
        sprintf( msgtemp, " %s 님이 새로 길드마스터가 되셨습니다", text);
        message_send_text(c,message_type_info,c,msgtemp);
        dest_c = connlist_find_connection_by_account(friend_acc);
        if(dest_c!=NULL) {
            sprintf(msgtemp,"%s 님이 귀하를 길드마스터로 추대하였습니다",conn_get_username(c));
            message_send_text(dest_c,message_type_info,dest_c,msgtemp);
        }
        //clanlog(clan_get_clantag(clan),"MU",conn_get_username(c),0);
        //clanlog(clan_get_clantag(clan),"MU",text,1);
    }
    else if (strstart(text,"remove")==0 || strstart(text,"r")==0)
    {
        t_packet     * rpacket;
        t_connection     * dest_c;
        t_account        * friend_acc;
        t_server_friendslistreply_status status;
        t_game * game;
        t_channel * channel;
        char stat;
        t_clanmember *member;

        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        if (clanmember_get_status(member)<CLAN_CHIEFTAIN)
            message_send_text(c,message_type_error,c,"You are not a ClanMaster!");
        text = skip_command(text);

        if (text[0] == '\0') {
            message_send_text(c,message_type_info,c,"usage: /c remove <username>");
            return 0;
        }

        if (!(friend_acc = accountlist_find_account(text))) {
            message_send_text(c,message_type_info,c,"That user does not exist.");
            return 0;
        }
        if(acc==friend_acc)
        {
            message_send_text(c,message_type_info,c,"You can't remove yourself to your Clan members list.");
            return 0;
        }
        if(!account_get_clan(friend_acc))
        {
            sprintf(msgtemp, "%s is not Clan members!", text);
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        if(clan_get_clantag(account_get_clan(friend_acc))!=clan_get_clantag(clan))
        {
            sprintf(msgtemp, "%s is not Clan members!", text);
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        if(!clan_remove_member(clan, account_get_clanmember(friend_acc)))
        {
            message_send_text(c,message_type_error,c,"Server error.");
            return 0;
        }
        sprintf( msgtemp, "Deleted %s to your Clan members list.", text);
        message_send_text(c,message_type_info,c,msgtemp);
        dest_c = connlist_find_connection_by_account(friend_acc);
        if(dest_c!=NULL) {
            sprintf(msgtemp,"%s deleted you to his/her Clan members  list.",conn_get_username(c));
            message_send_text(dest_c,message_type_info,dest_c,msgtemp);
        }
        //clanlog(clan_get_clantag(clan),"MD",text,0);
    }
    else if (strstart(text,"msg")==0 || strstart(text,"w")==0 || strstart(text,"whisper")==0 || strstart(text,"m")==0)
    {
        char const *msg;
        int cnt = 0;
        t_connection * dest_c;
        t_elem  * curr;
        t_friend * fr;
        t_list  * flist;
        t_account * memberacc;

        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        msg = skip_command(text);
        /* if the message test is empty then ignore command */
        if (msg[0]=='\0') {
            message_send_text(c,message_type_info,c,"Did not message any friends. Type some text next time.");
            return 0;
    }

        LIST_TRAVERSE(clan_get_members(clan), curr)
        {
            if (!(member = (t_clanmember*)elem_get_data(curr))) {
                eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");
                continue;
            }
            if (!(memberacc = clanmember_get_account(member)))
            {
                eventlog(eventlog_level_error,__FUNCTION__,"member has NULL account");
                continue;
            }
            dest_c = connlist_find_connection_by_account(memberacc);
            if (!dest_c) continue;
            if(conn_get_dndstr(dest_c,1))
            {
                sprintf(msgtemp,"%s is refusing messages (%.128s)",
                        account_get_name(memberacc),
                        conn_get_dndstr(dest_c,1));
                message_send_text(c,message_type_info,c,msgtemp);
                continue;
            }
            message_send_text(dest_c,message_type_whisper,c,msg);
            cnt++;
        }
        if(cnt)
            message_send_text(c,message_type_friendwhisperack,c,msg);
    else
            message_send_text(c,message_type_info,c,"All your Clan members are offline.");
        return 0;
    }
    else if (strstart(text,"list")==0 || strstart(text,"l")==0) {
        char const * friend_;
        char status[128];
        char software[64];
        char msgtemp[MAX_MESSAGE_LEN];
        t_connection * dest_c;
        t_account * friend_acc;
        t_game const * game;
        t_channel const * channel;
        t_friend * fr;
        t_list  * flist;
        int num;
        unsigned int uid;
        t_elem  * curr;
        int i=-1;

        if(!clan)
        {
        message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        message_send_text(c,message_type_info,c,"Clan members List");
        message_send_text(c,message_type_info,c,"=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=");
        LIST_TRAVERSE(clan_get_members(clan), curr)
        {
            i++;
            if (!(member = (t_clanmember*)elem_get_data(curr))) {
                eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");
                continue;
            }
            if (!(friend_acc = clanmember_get_account(member)))
            {
                eventlog(eventlog_level_error,__FUNCTION__,"member has NULL account");
                continue;
            }
            software[0]='\0';
            if (!(dest_c = connlist_find_connection_by_account(friend_acc)))
                sprintf(status, ", offline");
            else {
                sprintf(software," using %s", clienttag_get_title(conn_get_clienttag(dest_c)));

                if ((game = conn_get_game(dest_c)))
                    sprintf(status, ", in game \"%.64s\"", game_get_name(game));
                else if ((channel = conn_get_channel(dest_c))) {
                    if(strcasecmp(channel_get_name(channel),"Arranged Teams")==0)
                        sprintf(status, ", in game AT Preparation");
                    else
                        sprintf(status, ", in channel \"%.64s\",", channel_get_name(channel));
                }
                else
                    sprintf(status, ", is in AT Preparation");
            }

            friend_=account_get_name(friend_acc);
            if (software[0]) sprintf(msgtemp, "%d: %.16s%.128s, %.64s", i+1,  friend_, status,software);
            else sprintf(msgtemp, "%d: %.16s%.128s", i+1, friend_, status);
            message_send_text(c,message_type_info,c,msgtemp);
        }
        message_send_text(c,message_type_info,c,"=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=");
        return 0;
    }
    else if (acc &&(strstart(text,"join")==0 || strstart(text,"j")==0))
    {
        t_packet     * rpacket;
        t_connection     * dest_c;
        t_account        * friend_acc;
        t_server_friendslistreply_status status;
        t_game * game;
        t_channel * channel;
        char stat;
        t_clanmember *member;
        int i,j;
        char tag[4];

        text = skip_command(text);

        if (text[0] == '\0') {
            j=account_get_numattr(acc,"BNET\\joinclan");
            if(j)
            {
                sprintf(msgtemp,"현재 가입 동의한 클랜닉 : '%c$c$c$c'",(j>>24)&0xff,(j>>16)&0xff,(j>>8)&0xff,(j)&0xff);
                message_send_text(c,message_type_info,c,"usage: /c join <클랜닉>");
            }
            message_send_text(c,message_type_info,c,"usage: /c join <클랜닉>");
            return 0;
        }
        if(strlen(text)!=4)
        {
            message_send_text(c,message_type_info,c,"클랜닉은 영문자와 숫자로 4글자입니다");
            return 0;
        }
        for(i=0;i<4;i++)
        {
            tag[i]=text[i];
            j=0;
            if(tag[i]>='a'&&tag[i]<='z')
            {
                j=1;
            }
            if(!j&&tag[i]>='A'&&tag[i]<='Z')
                j=1;
            if(!j&&tag[i]>='0'&&tag[i]<='9')
                j=1;
            if(j==0)break;
        }
        if(i!=4)
        {
            message_send_text(c,message_type_info,c,"클랜닉은 영문자와 숫자로 4글자입니다");
            return 0;
        }
        account_set_numattr(acc,"BNET\\joinclan",str_to_clantag(tag));
        message_send_text(c,message_type_info,c,"클랜초대를 받을 준비가 되었습니다");
    }
    else if (acc &&(strstart(text,"create")==0 || strstart(text,"c")==0))
    {
        t_packet     * rpacket;
        t_connection     * dest_c;
        t_account        * friend_acc,*account;
        t_server_friendslistreply_status status;
        t_game * game;
        t_channel * channel;
        char stat;
        t_clanmember *member;
        int i,j;
        char const *tag,*clanname, *mem[4];
        int created, clantag;
        t_clan *clan;
        const int CLANMEM=4;

        tag = skip_command(text);
        clanname = skip_command(tag);
        mem[0]=skip_command(clanname);
        mem[1]=skip_command(mem[0]);
        mem[2]=skip_command(mem[1]);
        mem[3]=skip_command(mem[2]);



        if (tag[0] == '\0' || clanname[0] == '\0')
        {
            message_send_text(c,message_type_info,c,"usage: /c create <클랜닉> <클랜채널> <ID-1> <ID-2> <ID-3> <ID-4>");
            return 0;
        }
        for(i=0;i<CLANMEM;i++)
        {
            if(mem[i][0] ==0)
            {
                message_send_text(c,message_type_info,c,"usage: /c create <클랜닉> <클랜채널> <ID-1> <ID-2> <ID-3> <ID-4>");
                return 0;
            }
        }
        if(strlen(tag)!=4)
        {
            message_send_text(c,message_type_error,c,"클랜닉은 영문자와 숫자로 4글자입니다");
            return 0;
        }
        for(i=0;i<4;i++)
        {
            j=0;
            if(tag[i]>='a'&&tag[i]<='z')
                j=1;
            if(!j&&tag[i]>='A'&&tag[i]<='Z')
                j=1;
            if(!j&&tag[i]>='0'&&tag[i]<='9')
                j=1;
            if(j==0)break;
        }
        if(i!=4)
        {
            message_send_text(c,message_type_error,c,"클랜닉은 영문자와 숫자로 4글자입니다");
            return 0;
        }
        clantag=str_to_clantag(tag);
        if(clanlist_find_clan_by_clantag(clantag)!=NULL)
        {
            message_send_text(c,message_type_error,c,"이미 존재하는 클랜닉입니다.");
            return 0;
        }
        if (clanlist_find_clan_by_clanname(clanname)!=NULL)
        {
            message_send_text(c,message_type_error,c,"이미 존재하는 클랜채널입니다.");
            return 0;
        }
        if ((account = conn_get_account(c)) && (account_get_clan(account) != NULL))
        {
            message_send_text(c,message_type_error,c,"현재 클랜에 소속 중입니다.");
            return 0;
        }
        for (i=0;i<CLANMEM;i++)
        {
            if (!(friend_acc = accountlist_find_account(mem[i]))) {
                sprintf(msgtemp,"%d번쨰 입력한 %s 유저가 존재하지 않습니다",i+1,mem[i]);
                message_send_text(c,message_type_error,c,msgtemp);
                return 0;
            }
            if(conn_get_account(c)==friend_acc)
            {
                message_send_text(c,message_type_error,c,"자신은 클랜 멤버로 등록할 수 없습니다");
                return 0;
            }
            if(account_get_numattr(friend_acc,"BNET\\joinclan")!=clantag)
            {
                sprintf(msgtemp, "%s님이 동의하지않으셨습니다. (동의 방법 : /clan join 클랜닉)", mem[i]);
                message_send_text(c,message_type_error,c,msgtemp);
                return 0;
            }
            for(j=i+1;j<CLANMEM;j++)
            {
                if(0==strcasecmp(mem[i],mem[j]))
                {
                    message_send_text(c,message_type_error,c,"중복된 ID가 존재합니다");
                    return 0;
                }
            }
        }
        if(clanlist_find_clan_by_clantag(clantag)!=NULL)
        {
            message_send_text(c,message_type_error,c,"이미 존재하는 클랜닉입니다.");
            return 0;
        }
        if (!(clan = clan_create(account, clantag, clanname, NULL))) {
            message_send_text(c,message_type_error,c,"클랜 생성 중 에러 발생(1)");
            return 0;
        }
        if (clanlist_add_clan(clan)==-1) {
            message_send_text(c,message_type_error,c,"클랜 생성 중 에러 발생(2)");
            return 0;
        }
        clan_set_created(clan,120);
        //clanlog(clan_get_clantag(clan),"CI",clanname,0);
        //clanlog(clan_get_clantag(clan),"MI",account_get_name(acc),1);
        for (i=0;i<CLANMEM;i++)
        {
            clan_add_member(clan, accountlist_find_account(mem[i]), CLAN_NEW);
            //clanlog(clan_get_clantag(clan),"MI",mem[i],0);
        }
        message_send_text(c,message_type_info,c,"클랜이 생성 되었습니다.");
        return 0;
    }
    else if (acc &&(strstart(text,"check")==0))
    {
        t_packet     * rpacket;
        t_connection     * dest_c;
        t_account        * friend_acc,*account;
        t_server_friendslistreply_status status;
        t_game * game;
        t_channel * channel;
        char stat;
        t_clanmember *member;
        int i,j;
        char const *tag;
        int created, clantag;
        t_clan *clan;

        tag = skip_command(text);

        if (tag[0] == '\0')
        {
            message_send_text(c,message_type_info,c,"usage: /c check <클랜닉>");
            return 0;
        }
        if(strlen(tag)!=4)
        {
            message_send_text(c,message_type_error,c,"클랜닉은 영문자와 숫자로 4글자입니다");
            return 0;
        }
        for(i=0;i<4;i++)
        {
            j=0;
            if(tag[i]>='a'&&tag[i]<='z')
                j=1;
            if(!j&&tag[i]>='A'&&tag[i]<='Z')
                j=1;
            if(!j&&tag[i]>='0'&&tag[i]<='9')
                j=1;
            if(j==0)break;
        }
        if(i!=4)
        {
            message_send_text(c,message_type_error,c,"클랜닉은 영문자와 숫자로 4글자입니다");
            return 0;
        }
        clantag=str_to_clantag(tag);
        if(clanlist_find_clan_by_clantag(clantag)!=NULL)
        {
            message_send_text(c,message_type_error,c,"이미 존재하는 클랜닉입니다.");
            return 0;
        }
        message_send_text(c,message_type_info,c,"해당 닉으로 클랜이 생성가능합니다.");
        return 0;
    }
    else
    {
        message_send_text(c,message_type_info,c,"usage:");
        message_send_text(c,message_type_info,c,"/clan public  /clan pub");
        message_send_text(c,message_type_info,c,"모두 클랜 채널에 들어가기");
        message_send_text(c,message_type_info,c,"/clan private  /clan priv");
        message_send_text(c,message_type_info,c,"클랜원만 클랜 채널에 들어가기");
        message_send_text(c,message_type_info,c,"/clan motd MESSAGE");
        message_send_text(c,message_type_info,c,"클랜 인사말 설정하기");
        message_send_text(c,message_type_info,c,"/clan create <클랜닉> <클랜채널> <ID-1> <ID-2> <ID-3> <ID-4>");
        message_send_text(c,message_type_info,c,"클랜만들기");
        message_send_text(c,message_type_info,c," - 클랜닉 : 영문과 숫자 조합 4글자");
        message_send_text(c,message_type_info,c," - 클랜채널 : 클랜의 채널 'cl-' 생략");
        message_send_text(c,message_type_info,c," - ID-1,2,3,4 : 클랜가입에 동의한 4명의 ID");
        message_send_text(c,message_type_info,c,"/c check <클랜닉>");
        message_send_text(c,message_type_info,c,"해당 클랜닉으로 클랜 생성 가능한지 확인하기");
        message_send_text(c,message_type_info,c,"/c join <클랜닉>");
        message_send_text(c,message_type_info,c,"클랜가입에 동의 하기");
        message_send_text(c,message_type_info,c,"/c remove <username>");
        message_send_text(c,message_type_info,c,"길드원 삭제하기");
        message_send_text(c,message_type_info,c,"/c add <username>");
        message_send_text(c,message_type_info,c,"길드원 추가하기, 반드시 클랜가입동의가 필요함");
        message_send_text(c,message_type_info,c,"/c list");
        message_send_text(c,message_type_info,c,"클랜원 목록보기");
        message_send_text(c,message_type_info,c,"/c m <할말>");
        message_send_text(c,message_type_info,c,"클랜원들에게 말하기");
        message_send_text(c,message_type_info,c,"/c newmaster <ID>");
        message_send_text(c,message_type_info,c,"클랜장을 다른사람에게 넘기기");
        message_send_text(c,message_type_info,c,"");
        message_send_text(c,message_type_info,c,"클랜생성시 주어지는 채널 : cl-<클랜채널>");
        return 0;
    }
    return 0;
}

static int _handle_clan_command(t_connection * c, char const * text)
{
    t_account * acc=0;
    t_clanmember * member=0;
    t_clan * clan=0;

    text = skip_command(text);

    message_send_text(c,message_type_info,c,"[테스트 중인 기능입니다. 추후 클랜리셋 됩니다]");
    if ( text[0] == '\0' )
    {
        message_send_text(c,message_type_info,c,"usage:");
        message_send_text(c,message_type_info,c,"/clan public  /clan pub");
        message_send_text(c,message_type_info,c,"모두 클랜 채널에 들어가기");
        message_send_text(c,message_type_info,c,"/clan private  /clan priv");
        message_send_text(c,message_type_info,c,"클랜원만 클랜 채널에 들어가기");
        message_send_text(c,message_type_info,c,"/clan motd MESSAGE");
        message_send_text(c,message_type_info,c,"클랜 인사말 설정하기");
        message_send_text(c,message_type_info,c,"/clan create <클랜닉> <클랜채널> <ID-1> <ID-2> <ID-3> <ID-4>");
        message_send_text(c,message_type_info,c,"클랜만들기");
        message_send_text(c,message_type_info,c," - 클랜닉 : 영문과 숫자 조합 4글자");
        message_send_text(c,message_type_info,c," - 클랜채널 : 클랜의 채널 'cl-' 생략");
        message_send_text(c,message_type_info,c," - ID-1,2,3,4 : 클랜가입에 동의한 4명의 ID");
        message_send_text(c,message_type_info,c,"/c check <클랜닉>");
        message_send_text(c,message_type_info,c,"해당 클랜닉으로 클랜 생성 가능한지 확인하기");
        message_send_text(c,message_type_info,c,"/c join <클랜닉>");
        message_send_text(c,message_type_info,c,"클랜가입에 동의 하기");
        message_send_text(c,message_type_info,c,"/c remove <username>");
        message_send_text(c,message_type_info,c,"길드원 삭제하기");
        message_send_text(c,message_type_info,c,"/c add <username>");
        message_send_text(c,message_type_info,c,"길드원 추가하기, 반드시 클랜가입동의가 필요함");
        message_send_text(c,message_type_info,c,"/c list");
        message_send_text(c,message_type_info,c,"클랜원 목록보기");
        message_send_text(c,message_type_info,c,"/c m <할말>");
        message_send_text(c,message_type_info,c,"클랜원들에게 말하기");
        message_send_text(c,message_type_info,c,"/c newmaster <ID>");
        message_send_text(c,message_type_info,c,"클랜장을 다른사람에게 넘기기");
        message_send_text(c,message_type_info,c,"");
        message_send_text(c,message_type_info,c,"클랜생성시 주어지는 채널 : cl-<클랜채널>");
        return 0;
    }

    ((acc = conn_get_account(c)) && (member = account_get_clanmember(acc)) && (clan = clanmember_get_clan(member)));


            if (strstart(text,"public")==0 || strstart(text,"pub")==0) {
        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        if (clanmember_get_status(member)<CLAN_CHIEFTAIN)
            message_send_text(c,message_type_error,c,"You are not a ClanMaster!");
                if(clan_get_channel_type(clan)!=0)
                {
                    clan_set_channel_type(clan,0);
                    message_send_text(c,message_type_info,c,"Clan channel is opened up!");
                }
                else
                    message_send_text(c,message_type_error,c,"Clan channel has already been opened up!");
            }
    else if (strstart(text,"private")==0 || strstart(text,"priv")==0) {
        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        if (clanmember_get_status(member)<CLAN_CHIEFTAIN)
            message_send_text(c,message_type_error,c,"You are not a ClanMaster!");
                    if(clan_get_channel_type(clan)!=1)
                    {
                        clan_set_channel_type(clan,1);
                        message_send_text(c,message_type_info,c,"Clan channel is closed!");
                    }
                    else
                        message_send_text(c,message_type_error,c,"Clan channel has already been closed!");
                }
    else if (strstart(text,"motd")==0)
    {
                        const char * msg=skip_command(text);
        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        if (clanmember_get_status(member)<CLAN_CHIEFTAIN)
            message_send_text(c,message_type_error,c,"You are not a ClanMaster!");
                        if(msg[0]=='\0')
                        {
                            message_send_text(c,message_type_info,c,"usage:");
                            message_send_text(c,message_type_info,c,"/clan motd MESSAGE");
                            message_send_text(c,message_type_info,c,"Update the clan message of the day to MESSAGE.");
                        }
                        else
                        {
                            clan_set_motd(clan, msg);
                            message_send_text(c,message_type_info,c,"Clan message of day is updated!");
                        }
                    }
    else if (strstart(text,"add")==0 || strstart(text,"a")==0)
    {
        t_packet     * rpacket;
        t_connection     * dest_c;
        t_account        * friend_acc;
        t_server_friendslistreply_status status;
        t_game * game;
        t_channel * channel;
        char stat;
        t_clanmember *member;

        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        if (clanmember_get_status(member)<CLAN_CHIEFTAIN)
            message_send_text(c,message_type_error,c,"You are not a ClanMaster!");
        text = skip_command(text);

        if (text[0] == '\0') {
            message_send_text(c,message_type_info,c,"usage: /c add <username>");
            return 0;
        }

        if (!(friend_acc = accountlist_find_account(text))) {
            message_send_text(c,message_type_info,c,"That user does not exist.");
            return 0;
        }
        if (clan_get_member_count(clan) >= prefs_get_clan_max_members()) {
            sprintf(msgtemp, "You can only have a maximum of %d Clan members.", prefs_get_max_friends());
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        if(acc==friend_acc)
        {
            message_send_text(c,message_type_info,c,"You can't add yourself to your Clan members list.");
            return 0;
        }
        if(account_get_clan(friend_acc))
        {
            sprintf(msgtemp, "%s has Clan members already!", text);
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        if(account_get_numattr(friend_acc,"BNET\\joinclan")!=clan_get_clantag(clan))
        {
            sprintf(msgtemp, "%s님이 동의하지않으셨습니다. (동의 방법 : /clan join 클랜닉)", text);
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        if(!(member = clan_add_member(clan, friend_acc, 1)))
        {
            message_send_text(c,message_type_error,c,"Server error.");
            return 0;
        }
        sprintf( msgtemp, "Added %s to your Clan members list.", text);
        message_send_text(c,message_type_info,c,msgtemp);
        dest_c = connlist_find_connection_by_account(friend_acc);
        if(dest_c!=NULL) {
            sprintf(msgtemp,"%s added you to his/her Clan members  list.",conn_get_username(c));
            message_send_text(dest_c,message_type_info,dest_c,msgtemp);
        }
//        clanlog(clan_get_clantag(clan),"MI",text,0);
    }
    else if (strstart(text,"newmaster")==0)
    {
        t_packet     * rpacket;
        t_connection     * dest_c;
        t_account        * friend_acc;
        t_server_friendslistreply_status status;
        t_game * game;
        t_channel * channel;
        char stat;
        t_clanmember *member;

        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        if (clanmember_get_status(member)<CLAN_CHIEFTAIN)
        {
            message_send_text(c,message_type_error,c,"You are not a ClanMaster!");
            return 0;
        }
        text = skip_command(text);

        if (text[0] == '\0') {
            message_send_text(c,message_type_info,c,"usage: /c add <username>");
            return 0;
        }

        if (!(friend_acc = accountlist_find_account(text))) {
            message_send_text(c,message_type_info,c,"That user does not exist.");
            return 0;
        }
        if(acc==friend_acc)
        {
            message_send_text(c,message_type_info,c,"You can't choose yourself");
            return 0;
        }
        if(account_get_clan(friend_acc))
        {
            sprintf(msgtemp, "%s has Clan members already!", text);
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        if(clan_get_clantag(clanmember_get_clan(account_get_clanmember(friend_acc)))
                !=clan_get_clantag(clanmember_get_clan(account_get_clanmember(acc))))
        {
            sprintf(msgtemp, "%s님은 다른 클랜입니다.", text);
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        clanmember_set_status(account_get_clanmember(acc),CLAN_PEON);
        clanmember_set_status(account_get_clanmember(friend_acc),CLAN_CHIEFTAIN);
        sprintf( msgtemp, " %s 님이 새로 길드마스터가 되셨습니다", text);
        message_send_text(c,message_type_info,c,msgtemp);
        dest_c = connlist_find_connection_by_account(friend_acc);
        if(dest_c!=NULL) {
            sprintf(msgtemp,"%s 님이 귀하를 길드마스터로 추대하였습니다",conn_get_username(c));
            message_send_text(dest_c,message_type_info,dest_c,msgtemp);
        }
        //clanlog(clan_get_clantag(clan),"MU",conn_get_username(c),0);
        //clanlog(clan_get_clantag(clan),"MU",text,1);
    }
    else if (strstart(text,"remove")==0 || strstart(text,"r")==0)
    {
        t_packet     * rpacket;
        t_connection     * dest_c;
        t_account        * friend_acc;
        t_server_friendslistreply_status status;
        t_game * game;
        t_channel * channel;
        char stat;
        t_clanmember *member;

        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        if (clanmember_get_status(member)<CLAN_CHIEFTAIN)
            message_send_text(c,message_type_error,c,"You are not a ClanMaster!");
        text = skip_command(text);

        if (text[0] == '\0') {
            message_send_text(c,message_type_info,c,"usage: /c remove <username>");
            return 0;
        }

        if (!(friend_acc = accountlist_find_account(text))) {
            message_send_text(c,message_type_info,c,"That user does not exist.");
            return 0;
        }
        if(acc==friend_acc)
        {
            message_send_text(c,message_type_info,c,"You can't remove yourself to your Clan members list.");
            return 0;
        }
        if(!account_get_clan(friend_acc))
        {
            sprintf(msgtemp, "%s is not Clan members!", text);
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        if(clan_get_clantag(account_get_clan(friend_acc))!=clan_get_clantag(clan))
        {
            sprintf(msgtemp, "%s is not Clan members!", text);
            message_send_text(c,message_type_info,c,msgtemp);
            return 0;
        }
        if(!clan_remove_member(clan, account_get_clanmember(friend_acc)))
        {
            message_send_text(c,message_type_error,c,"Server error.");
            return 0;
        }
        sprintf( msgtemp, "Deleted %s to your Clan members list.", text);
        message_send_text(c,message_type_info,c,msgtemp);
        dest_c = connlist_find_connection_by_account(friend_acc);
        if(dest_c!=NULL) {
            sprintf(msgtemp,"%s deleted you to his/her Clan members  list.",conn_get_username(c));
            message_send_text(dest_c,message_type_info,dest_c,msgtemp);
        }
        //clanlog(clan_get_clantag(clan),"MD",text,0);
    }
    else if (strstart(text,"msg")==0 || strstart(text,"w")==0 || strstart(text,"whisper")==0 || strstart(text,"m")==0)
    {
        char const *msg;
        int cnt = 0;
        t_connection * dest_c;
        t_elem  * curr;
        t_friend * fr;
        t_list  * flist;
        t_account * memberacc;

        if(!clan)
        {
            message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        msg = skip_command(text);
        /* if the message test is empty then ignore command */
        if (msg[0]=='\0') {
            message_send_text(c,message_type_info,c,"Did not message any friends. Type some text next time.");
            return 0;
    }

        LIST_TRAVERSE(clan_get_members(clan), curr)
        {
            if (!(member = (t_clanmember*)elem_get_data(curr))) {
                eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");
                continue;
            }
            if (!(memberacc = clanmember_get_account(member)))
            {
                eventlog(eventlog_level_error,__FUNCTION__,"member has NULL account");
                continue;
            }
            dest_c = connlist_find_connection_by_account(memberacc);
            if (!dest_c) continue;
            if(conn_get_dndstr(dest_c,1))
            {
                sprintf(msgtemp,"%s is refusing messages (%.128s)",
                        account_get_name(memberacc),
                        conn_get_dndstr(dest_c,1));
                message_send_text(c,message_type_info,c,msgtemp);
                continue;
            }
            message_send_text(dest_c,message_type_whisper,c,msg);
            cnt++;
        }
        if(cnt)
            message_send_text(c,message_type_friendwhisperack,c,msg);
    else
            message_send_text(c,message_type_info,c,"All your Clan members are offline.");
        return 0;
    }
    else if (strstart(text,"list")==0 || strstart(text,"l")==0) {
        char const * friend_;
        char status[128];
        char software[64];
        char msgtemp[MAX_MESSAGE_LEN];
        t_connection * dest_c;
        t_account * friend_acc;
        t_game const * game;
        t_channel const * channel;
        t_friend * fr;
        t_list  * flist;
        int num;
        unsigned int uid;
        t_elem  * curr;
        int i=-1;

        if(!clan)
        {
        message_send_text(c,message_type_error,c,"You are not in a clan!");
            return 0;
        }
        message_send_text(c,message_type_info,c,"Clan members List");
        message_send_text(c,message_type_info,c,"=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=");
        LIST_TRAVERSE(clan_get_members(clan), curr)
        {
            i++;
            if (!(member = (t_clanmember*)elem_get_data(curr))) {
                eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");
                continue;
            }
            if (!(friend_acc = clanmember_get_account(member)))
            {
                eventlog(eventlog_level_error,__FUNCTION__,"member has NULL account");
                continue;
            }
            software[0]='\0';
            if (!(dest_c = connlist_find_connection_by_account(friend_acc)))
                sprintf(status, ", offline");
            else {
                sprintf(software," using %s", clienttag_get_title(conn_get_clienttag(dest_c)));

                if ((game = conn_get_game(dest_c)))
                    sprintf(status, ", in game \"%.64s\"", game_get_name(game));
                else if ((channel = conn_get_channel(dest_c))) {
                    if(strcasecmp(channel_get_name(channel),"Arranged Teams")==0)
                        sprintf(status, ", in game AT Preparation");
                    else
                        sprintf(status, ", in channel \"%.64s\",", channel_get_name(channel));
                }
                else
                    sprintf(status, ", is in AT Preparation");
            }

            friend_=account_get_name(friend_acc);
            if (software[0]) sprintf(msgtemp, "%d: %.16s%.128s, %.64s", i+1,  friend_, status,software);
            else sprintf(msgtemp, "%d: %.16s%.128s", i+1, friend_, status);
            message_send_text(c,message_type_info,c,msgtemp);
        }
        message_send_text(c,message_type_info,c,"=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=");
        return 0;
    }
    else if (acc &&(strstart(text,"join")==0 || strstart(text,"j")==0))
    {
        t_packet     * rpacket;
        t_connection     * dest_c;
        t_account        * friend_acc;
        t_server_friendslistreply_status status;
        t_game * game;
        t_channel * channel;
        char stat;
        t_clanmember *member;
        int i,j;
        char tag[4];

        text = skip_command(text);

        if (text[0] == '\0') {
            j=account_get_numattr(acc,"BNET\\joinclan");
            if(j)
            {
                sprintf(msgtemp,"현재 가입 동의한 클랜닉 : '%c$c$c$c'",(j>>24)&0xff,(j>>16)&0xff,(j>>8)&0xff,(j)&0xff);
                message_send_text(c,message_type_info,c,"usage: /c join <클랜닉>");
            }
            message_send_text(c,message_type_info,c,"usage: /c join <클랜닉>");
            return 0;
        }
        if(strlen(text)!=4)
        {
            message_send_text(c,message_type_info,c,"클랜닉은 영문자와 숫자로 4글자입니다");
            return 0;
        }
        for(i=0;i<4;i++)
        {
            tag[i]=text[i];
            j=0;
            if(tag[i]>='a'&&tag[i]<='z')
            {
                j=1;
            }
            if(!j&&tag[i]>='A'&&tag[i]<='Z')
                j=1;
            if(!j&&tag[i]>='0'&&tag[i]<='9')
                j=1;
            if(j==0)break;
        }
        if(i!=4)
        {
            message_send_text(c,message_type_info,c,"클랜닉은 영문자와 숫자로 4글자입니다");
            return 0;
        }
        account_set_numattr(acc,"BNET\\joinclan",str_to_clantag(tag));
        message_send_text(c,message_type_info,c,"클랜초대를 받을 준비가 되었습니다");
    }
    else if (acc &&(strstart(text,"create")==0 || strstart(text,"c")==0))
    {
        t_packet     * rpacket;
        t_connection     * dest_c;
        t_account        * friend_acc,*account;
        t_server_friendslistreply_status status;
        t_game * game;
        t_channel * channel;
        char stat;
        t_clanmember *member;
        int i,j;
        char const *tag,*clanname, *mem[4];
        int created, clantag;
        t_clan *clan;
        const int CLANMEM=4;

        tag = skip_command(text);
        clanname = skip_command(tag);
        mem[0]=skip_command(clanname);
        mem[1]=skip_command(mem[0]);
        mem[2]=skip_command(mem[1]);
        mem[3]=skip_command(mem[2]);



        if (tag[0] == '\0' || clanname[0] == '\0')
        {
            message_send_text(c,message_type_info,c,"usage: /c create <클랜닉> <클랜채널> <ID-1> <ID-2> <ID-3> <ID-4>");
            return 0;
        }
        for(i=0;i<CLANMEM;i++)
        {
            if(mem[i][0] ==0)
            {
                message_send_text(c,message_type_info,c,"usage: /c create <클랜닉> <클랜채널> <ID-1> <ID-2> <ID-3> <ID-4>");
                return 0;
            }
        }
        if(strlen(tag)!=4)
        {
            message_send_text(c,message_type_error,c,"클랜닉은 영문자와 숫자로 4글자입니다");
            return 0;
        }
        for(i=0;i<4;i++)
        {
            j=0;
            if(tag[i]>='a'&&tag[i]<='z')
                j=1;
            if(!j&&tag[i]>='A'&&tag[i]<='Z')
                j=1;
            if(!j&&tag[i]>='0'&&tag[i]<='9')
                j=1;
            if(j==0)break;
        }
        if(i!=4)
        {
            message_send_text(c,message_type_error,c,"클랜닉은 영문자와 숫자로 4글자입니다");
            return 0;
        }
        clantag=str_to_clantag(tag);
        if(clanlist_find_clan_by_clantag(clantag)!=NULL)
        {
            message_send_text(c,message_type_error,c,"이미 존재하는 클랜닉입니다.");
            return 0;
        }
        if (clanlist_find_clan_by_clanname(clanname)!=NULL)
        {
            message_send_text(c,message_type_error,c,"이미 존재하는 클랜채널입니다.");
            return 0;
        }
        if ((account = conn_get_account(c)) && (account_get_clan(account) != NULL))
        {
            message_send_text(c,message_type_error,c,"현재 클랜에 소속 중입니다.");
            return 0;
        }
        for (i=0;i<CLANMEM;i++)
        {
            if (!(friend_acc = accountlist_find_account(mem[i]))) {
                sprintf(msgtemp,"%d번쨰 입력한 %s 유저가 존재하지 않습니다",i+1,mem[i]);
                message_send_text(c,message_type_error,c,msgtemp);
                return 0;
            }
            if(conn_get_account(c)==friend_acc)
            {
                message_send_text(c,message_type_error,c,"자신은 클랜 멤버로 등록할 수 없습니다");
                return 0;
            }
            if(account_get_numattr(friend_acc,"BNET\\joinclan")!=clantag)
            {
                sprintf(msgtemp, "%s님이 동의하지않으셨습니다. (동의 방법 : /clan join 클랜닉)", mem[i]);
                message_send_text(c,message_type_error,c,msgtemp);
                return 0;
            }
            for(j=i+1;j<CLANMEM;j++)
            {
                if(0==strcasecmp(mem[i],mem[j]))
                {
                    message_send_text(c,message_type_error,c,"중복된 ID가 존재합니다");
                    return 0;
                }
            }
        }
        if(clanlist_find_clan_by_clantag(clantag)!=NULL)
        {
            message_send_text(c,message_type_error,c,"이미 존재하는 클랜닉입니다.");
            return 0;
        }
        if (!(clan = clan_create(account, clantag, clanname, NULL))) {
            message_send_text(c,message_type_error,c,"클랜 생성 중 에러 발생(1)");
            return 0;
        }
        if (clanlist_add_clan(clan)==-1) {
            message_send_text(c,message_type_error,c,"클랜 생성 중 에러 발생(2)");
            return 0;
        }
        clan_set_created(clan,120);
        //clanlog(clan_get_clantag(clan),"CI",clanname,0);
        //clanlog(clan_get_clantag(clan),"MI",account_get_name(acc),1);
        for (i=0;i<CLANMEM;i++)
        {
            clan_add_member(clan, accountlist_find_account(mem[i]), CLAN_NEW);
            //clanlog(clan_get_clantag(clan),"MI",mem[i],0);
        }
        message_send_text(c,message_type_info,c,"클랜이 생성 되었습니다.");
        return 0;
    }
    else if (acc &&(strstart(text,"check")==0))
    {
        t_packet     * rpacket;
        t_connection     * dest_c;
        t_account        * friend_acc,*account;
        t_server_friendslistreply_status status;
        t_game * game;
        t_channel * channel;
        char stat;
        t_clanmember *member;
        int i,j;
        char const *tag;
        int created, clantag;
        t_clan *clan;

        tag = skip_command(text);

        if (tag[0] == '\0')
        {
            message_send_text(c,message_type_info,c,"usage: /c check <클랜닉>");
            return 0;
        }
        if(strlen(tag)!=4)
        {
            message_send_text(c,message_type_error,c,"클랜닉은 영문자와 숫자로 4글자입니다");
            return 0;
        }
        for(i=0;i<4;i++)
        {
            j=0;
            if(tag[i]>='a'&&tag[i]<='z')
                j=1;
            if(!j&&tag[i]>='A'&&tag[i]<='Z')
                j=1;
            if(!j&&tag[i]>='0'&&tag[i]<='9')
                j=1;
            if(j==0)break;
        }
        if(i!=4)
        {
            message_send_text(c,message_type_error,c,"클랜닉은 영문자와 숫자로 4글자입니다");
            return 0;
        }
        clantag=str_to_clantag(tag);
        if(clanlist_find_clan_by_clantag(clantag)!=NULL)
        {
            message_send_text(c,message_type_error,c,"이미 존재하는 클랜닉입니다.");
            return 0;
        }
        message_send_text(c,message_type_info,c,"해당 닉으로 클랜이 생성가능합니다.");
        return 0;
    }
    else
    {
        message_send_text(c,message_type_info,c,"usage:");
        message_send_text(c,message_type_info,c,"/clan public  /clan pub");
        message_send_text(c,message_type_info,c,"모두 클랜 채널에 들어가기");
        message_send_text(c,message_type_info,c,"/clan private  /clan priv");
        message_send_text(c,message_type_info,c,"클랜원만 클랜 채널에 들어가기");
        message_send_text(c,message_type_info,c,"/clan motd MESSAGE");
        message_send_text(c,message_type_info,c,"클랜 인사말 설정하기");
        message_send_text(c,message_type_info,c,"/clan create <클랜닉> <클랜채널> <ID-1> <ID-2> <ID-3> <ID-4>");
        message_send_text(c,message_type_info,c,"클랜만들기");
        message_send_text(c,message_type_info,c," - 클랜닉 : 영문과 숫자 조합 4글자");
        message_send_text(c,message_type_info,c," - 클랜채널 : 클랜의 채널 'cl-' 생략");
        message_send_text(c,message_type_info,c," - ID-1,2,3,4 : 클랜가입에 동의한 4명의 ID");
        message_send_text(c,message_type_info,c,"/c check <클랜닉>");
        message_send_text(c,message_type_info,c,"해당 클랜닉으로 클랜 생성 가능한지 확인하기");
        message_send_text(c,message_type_info,c,"/c join <클랜닉>");
        message_send_text(c,message_type_info,c,"클랜가입에 동의 하기");
        message_send_text(c,message_type_info,c,"/c remove <username>");
        message_send_text(c,message_type_info,c,"길드원 삭제하기");
        message_send_text(c,message_type_info,c,"/c add <username>");
        message_send_text(c,message_type_info,c,"길드원 추가하기, 반드시 클랜가입동의가 필요함");
        message_send_text(c,message_type_info,c,"/c list");
        message_send_text(c,message_type_info,c,"클랜원 목록보기");
        message_send_text(c,message_type_info,c,"/c m <할말>");
        message_send_text(c,message_type_info,c,"클랜원들에게 말하기");
        message_send_text(c,message_type_info,c,"/c newmaster <ID>");
        message_send_text(c,message_type_info,c,"클랜장을 다른사람에게 넘기기");
        message_send_text(c,message_type_info,c,"");
        message_send_text(c,message_type_info,c,"클랜생성시 주어지는 채널 : cl-<클랜채널>");
        return 0;
    }
    return 0;
}