strlen源码剖析

http://www.cppblog.com/ant/archive/2007/10/12/32886.html

http://www.ecranesoft.com/ape/book/fap/las/ns/string2.html#string_encode

php:

http://www.jb51.net/article/14699.htm

http://www.fzs8.net/php/php_tutorial/2007-03-18/1286.html

http://www.lslnet.com/linux/books/php3MySQL/php3MySQL_1.htm

http://www.php.net/manual/en/book.sqlite.php

http://www.phpq.net/sqlite/php-sqlite-demo.html

linux设备模型深探:

http://blogold.chinaunix.net/u1/51562/showart_1077877.html

http://dev.firnow.com/course/6_system/linux/Linuxjs/2008930/147095.html

http://www.360doc.com/content/07/0807/11/26230_658316.shtml

http://blog.csdn.net/showman/archive/2009/07/22/4370883.aspx

http://oss.org.cn/kernel-book/ldd3/ch02s02.html

http://www2.one-eyed-alien.net/~mdharm/linux-usb/

http://blogold.chinaunix.net/u1/51562/article_90370.html

http://www.boluor.com/note-of-linux-device-driver.html

http://www.linuxdriver.cn/

http://elfirex.spaces.live.com/blog/cns!4501730E219BA9CE!1074.entry

http://www.cnblogs.com/hoys/archive/2010/11/19/1881394.html

http://www.ibm.com/developerworks/cn/linux/l-usb/index2.html#3