Here is one in Urdu [PDF]: http://init.org.pk/papersandpublications/P5.pdf http://init.org.pk/papersandpublications/P5.pdf The last few pages have some sample

Here is one in Urdu [PDF]: http://init.org.pk/papersandpublications/P5.pdf http://init.org.pk/papersandpublications/P5.pdf The last few pages have some sample code. Clearly this is just an academic exercise. Non one would actually use this.