C编程规范。详细讲解C语言编程的标示符，表达式，语句结构，函数，布局，注释等用法。-C programming norms. Explain in detail the C programming language identifiers, expressions, sentence structure, function, layout, usage notes, etc..
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002409s ]
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:0.107370s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002454s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001921s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002164s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003620s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002067s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003203s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014957s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002287s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 280784 [ RunTime:0.001039s ]
