September 2025
Intermediate to advanced
552 pages
14h 5m
English
Content preview from Modern C, Third Edition
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8 C library functions
This chapter covers
- Doing math, handling files, and processing strings
- Manipulating time
- Managing the runtime environment
- Terminating programs
The functionality that the C standard provides is separated into two big parts. One is the proper C language, and the other is the C library. We have looked at several functions that come with the C library, including printf, puts, and strtod, so you should have a good idea what to expect: basic tools that implement features that we need in everyday programming and for which we need clear interfaces and semantics to ensure portability.
On many platforms, the clear specification through an application programming interface (API) also allows us to separate the compiler ...
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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.