Learn how to implement a classic substitution cipher in C! This step-by-step tutorial walks you through encoding and decoding messages by replacing each letter with another according to a fixed key. A ...

So, as part of my punishment homework for an online C class, I have to write a program that solves this assignment: "Your application should read the four-digit integer entered by the user and encrypt ...

“Basic C programming,” is an online Wikibooks resource. It is a good step up from another Wikibooks resource: “A little C primer.” It is a complete online text book that takes comprehensive look at ...