December 2024
Beginner
226 pages
6h 11m
English
Content preview from Debunking C++ Myths
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4
The Main() Function is the Entry Point to Your Application
What happens before main stays in main
For programmers working with C++ on various operating systems, the entry point of an application is a concept that requires a deep understanding of the underlying architecture. In this chapter, we’ll analyze how an application starts, focusing on the initialization code that’s executed before we reach the user-defined main() function.
While exploring this process under Linux, we’ll analyze the Executable and Linkable Format (ELF), detailing how the execve() system call loads and executes a _start() function, which prepares the runtime environment before calling main(). We’ll also explore some compiler-specific extensions that we can use to manipulate ...
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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.