Skip to Main Content
Learn C the Hard Way: Practical Exercises on the Computational Subjects You Keep Avoiding (Like C)
book

Learn C the Hard Way: Practical Exercises on the Computational Subjects You Keep Avoiding (Like C)

by Zed A. Shaw
July 2015
Intermediate to advanced content levelIntermediate to advanced
380 pages
10h 15m
English
Addison-Wesley Professional
Content preview from Learn C the Hard Way: Practical Exercises on the Computational Subjects You Keep Avoiding (Like C)

Exercise 12. Sizes and Arrays

In the last exercise, you did math but with, a '\0' (nul) character. This may seem odd if you’re coming from other languages, since they try to treat strings and byte arrays as different beasts. C treats strings as just arrays of bytes, and it’s only the different printing functions that recognize a difference.

Before I can really explain the significance of this, I have to introduce a couple more concepts: sizeof and arrays. Here’s the code we’ll be talking about:

ex12.c

 1   #include <stdio.h>  2  3   int main(int argc, char *argv[])  4   {  5       int areas[] = { 10, 12, 13, 14, 20 };  6       char name[] = "Zed";  7       char full_name[] = {  8           'Z', 'e', 'd',  9            ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Modern C for Absolute Beginners: A Friendly Introduction to the C Programming Language

Modern C for Absolute Beginners: A Friendly Introduction to the C Programming Language

Slobodan Dmitrović

Publisher Resources

ISBN: 9780133124385Purchase Link