October 2020
Beginner to intermediate
464 pages
8h 17m
English
Content preview from C Programming For Dummies, 2nd Edition
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Chapter 7
Input and Output
IN THIS CHAPTER
Using standard input and output
Reading and writing characters
Understanding getchar() and putchar()
Exploring the char variable type
Reading input with scanf()
Grabbing strings with fgets()
One of the basic functions, if not the basic function, of any computing device is input and output. The old I/O (say “eye oh”) is also the goal of just about every program. Input is received and processed, and then output is generated. The processing is what makes the program useful. Otherwise, you’d have only input and output, which is essentially the same thing as plumbing.
Character I/O
The simplest type of input and output takes place at the character level: One character goes in; one character comes out. Of course, getting to that point involves a wee bit of programming.
Understanding input and output devices
The C language was born with the Unix ...
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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.
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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.