October 2020
Beginner to intermediate
464 pages
8h 17m
English
Content preview from C Programming For Dummies, 2nd Edition
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Chapter 19
Deep into Pointer Land
IN THIS CHAPTER
Using a pointer to display an array
Replacing array notation with pointers
Working with strings and pointers
Understanding arrays of pointers
Performing a string sort
Creating a function that eats pointers
It’s easy to accept what a pointer does, to numbly nod your head, to repeat the mantra, “A pointer is a variable that contains a memory location.” You can even memorize the difference between pointer variable p and pointer variable *p. But to truly know the power of the pointer, you have to discover how it's fully exploited in the C language. You must eschew the old way of doing things and fully embrace pointers for the miraculous witchcraft they do.
Pointers and Arrays
Arrays in the C language are nothing but a kettle full of lies! Truly, they don’t exist. As you discover the power of the pointer, you come to accept that an array ...
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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.
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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.