April 1994
Beginner
432 pages
6h 37m
English
Content preview from Absolute Beginner’s Guide to C, 2nd Edition
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31. How Do Functions Share Data?
By Passing Variables
In This Chapter
The preceding chapter left some questions unanswered. If multiple functions are good (they are), and if local variables are good (they are), then you must have a way to share local variables between functions that need to share them (there is a way). You don’t want all functions to have access to all variables, because not every function needs access to every variable. If full variable access between functions is needed, you might as well use global variables.
To share data ...
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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.