Question

How to create a c program to print a alphabet in the form of stars for ex.
A should be printed something like

   *
  * *
 *****
*     *

Do we have any standard algo???

Answer 1

I guess for this you can store bit map for each alphabet, so that you can use it anytime while printing or processing.

This logic is used while interfacing text in graphical LCD.

Use this site and tool if you have some requirement.
http://www.zilogic.com/blog/tutorial-glcd-bitmaps.html
http://bitmap2lcd.com/download.html