//Whether or not to create guild
int guild_created(int account_id,int guild_id) {
    struct map_session_data *sd=map_id2sd(account_id);
 
    if(sd==NULL)
        return 0;
    if(!guild_id) {
        clif_guild_created(sd, 2); // Creation failure (presence of the same name Guild)
        return 0;
    }
 
    sd->status.guild_id = guild_id;
    clif_guild_created(sd,0);
    if(battle_config.guild_emperium_check)
        pc_delitem(sd,pc_search_inventory(sd,ITEMID_EMPERIUM),1,0,0,LOG_TYPE_CONSUME);  //emperium consumption
    if(sd->status.zeny < 1000000){ //zeny requirement
        clif_guild_created(sd,3); //or maybe a clif_display for custom message
    return 0;
}