October 2020
Beginner to intermediate
464 pages
8h 17m
English
Content preview from C Programming For Dummies, 2nd Edition
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Chapter 18
Introduction to Pointers
IN THIS CHAPTER
Using the sizeof operator
Grabbing a variable’s memory location
Creating pointer variables
Peeking at data
Using pointers to assign values
It’s considered one of the most frightening topics in all of programming. Boo!
Pointers scare a lot of beginning C programmers — and even experienced programmers of other languages. I believe that the reason for the dread is that no one bothers to explain in fun, scintillating detail how pointers really work. So clear your mind, crack your knuckles, and get ready to embrace one of the C language’s most unique and powerful features.
The Biggest Problem with Pointers
It’s true that you can program in C and avoid pointers. I did it for a long time when I began to learn C programming. Array notation offers a quick-and-dirty work-around for pointers, and you can fake your way around the various pointer functions, hoping that you get it right. But that’s not why you bought this book!
After working ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.