Http://dev.9cbs.net/develop/Article/18/18077.shtm
From http://www.codeguru.com/forum/showthread.php?s=&threadid=231056
Author blog: http://blog.9cbs.net/bugfree/
Comments on this article
FINGO (2003-04-30) _itoa (), etc. Not ANSI C function, so the author has not written.
Joycenter (2003-04-22) For complete, it can be considered plus, ITOA ().