用C实现的Ping程序，实现的功能与Windows的Ping部分功能相同。可用于网络编程初学用-C realized Ping procedures, functions and the Windows Ping part of the same functions. Network programming can be used with learning
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001228s ]
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:0.089307s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001348s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001924s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001195s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003585s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001046s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003188s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014854s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001394s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 297577 [ RunTime:0.001445s ]
