July 2015
Intermediate to advanced
380 pages
10h 15m
English
book
Learn C the Hard Way: Practical Exercises on the Computational Subjects You Keep Avoiding (Like C)
by Zed A. Shaw
Content preview from Learn C the Hard Way: Practical Exercises on the Computational Subjects You Keep Avoiding (Like C)Become 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,
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.
Exercise 31. Common Undefined Behavior
At this point in the book, it’s time to introduce you to the most common kinds of UB that you will encounter. C has 191 behaviors that the standards committee has decided aren’t defined by the standard, and therefore anything goes. Some of these behaviors are legitimately not the compiler’s job, but the vast majority are simply lazy capitulations by the standards committee that cause annoyances, or worse, defects. An example of laziness:
An unmatched “or” character is encountered on a logical source line during tokenization.
In this instance, the C99 standard actually allows a compiler writer to fail at a parsing task that a junior in college could get right. Why is this? Who knows, but most likely someone ...
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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.