The author hereby grants a perpetual license to everybody to use this code for
any purpose as long as the copyright message is included in the source code
of this or any derived work.
Yes, this means that you, your company, your club, and anyone else can use this
code anywhere you want. You can change it and distribute it under the GPL,
include it in your commercial product without releasing the source code, put
it on the web, etc.
The only thing you cannot do is remove my copyright message, or distribute any
source code based on this implementation that does not include my copyright
message.
I appreciate a mention in the documentation or credits, but I understand if
that is difficult to do. I also appreciate it if you tell me where and why you
used my code.