采用c编写的socket套接字的服务器端程序。接收从客户端发送的信息，并向客户端发送信息。-The preparation of the socket using c socket server-side program. From the client to receive messages sent to the client send a message.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001385s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.096382s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001367s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001953s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001346s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003638s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001126s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003217s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014907s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001622s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 169514 [ RunTime:0.001386s ]
