January 2003
Intermediate to advanced
480 pages
13h 22m
English
Content preview from UNIX Filesystems: Evolution, Design, and ImplementationBecome 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.
The Standard I/O Library
Many users require functionality above and beyond what is provided by the basic file access system calls. The standard I/O library, which is part of the ANSI C standard, provides this extra level of functionality, avoiding the need for duplication in many applications.
There are many books that describe the calls provided by the standard I/O library (stdio). This chapter offers a different approach by describing the implementation of the Linux standard I/O library showing the main structures, how they support the functions available, and how the library calls map onto the system call layer of UNIX.
The needs of the application will dictate whether the standard I/O library will be used as opposed to basic file-based system calls. If extra functionality is required and performance is not paramount, the standard I/O library, with its rich set of functions, will typically meet the needs of most programmers. If performance is key and more control is required over the execution of I/O, understanding how the filesystem performs I/O and bypassing the standard I/O library is typically a better choice.
Rather than describing the myriad of stdio functions available, which are well documented elsewhere, this chapter provides an overview of how the standard I/O library is implemented. For further details on the interfaces available, see Richard Steven's book Advanced ...
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,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.