August 2006
Beginner
281 pages
5h 45m
English
Content preview from Programming Techniques Through C: A Beginner's CompanionBecome 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,
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CHAPTER 9
Pointers
Pointers are one of the most sophisticated features of the C language. A pointer is just another data type available in C. Understanding pointers needs the understanding of the meaning of an address. Below is given a brief discussion, the study of which helps in understanding the meaning of addresses and pointers.
We have been using variables declaration statements with almost all the functions developed hitherto. It is time to look closely to see what happens when a declaration statement is used. For example, consider the statement
int temp = 10;
The above statement:
- Reserves a memory location (of 2 bytes size).
- Names the memory location with the name temp.
- Stores an integer value 10 in the location.
At the machine level ...
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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.