Alphabet Program Help!!!!!!!

**Sulaco** · 11-18-2002

To whomever can help me,

I am a beginner at C programming and have very little knowledge of the subject as a whole. I need to develope a program that has you enter a letter, say 'D', and return the letters before and after the letter entered. For example, entering 'D' will return 'C' and 'E'. Or entering 'A' will return 'Z' and 'B'. I have no idea how to approach this. If anyone has an example program I could follow as a guide that would be great! Any programs, references, info is greatly appreciated! Thank you very much!

Dave

**Magos** · 11-18-2002

http://www.cprogramming.com/tutorial.html

This is a good place to start learning the basic stuff.

Regarding you question, start by reading a character, then print that characters value +1 resp. -1

Code:

printf("%c, %c", (MyChar - 1), (MyChar + 1));

You have to make special cases for A and Z though. You could also use modulus, but since that is a little more advanced topic, stick to the first.

(Why does every new person print a

smiley in the topic???)

**Sulaco** · 11-18-2002

Thanks for the help, Magos; but I have a few more questions! How do you read in a character. Our teacher just dropped us into the alphabet and character stuff and didn't do a very good job explaining. Any advice?

**Prelude** · 11-18-2002

>Any advice?
Ask your teacher. So many students don't seem to understand that the teacher is paid to help you learn, don't just walk off and try to fumble your way to a solution if you don't understand.

-Prelude

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