May 2013
Intermediate to advanced
1024 pages
34h 32m
English
book
Advanced Programming in the UNIX® Environment, Third Edition
by W. Richard Stevens, Stephen A. Rago
Content preview from Advanced Programming in the UNIX® Environment, Third Edition
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5. Standard I/O Library
5.1. Introduction
In this chapter, we describe the standard I/O library. This library is specified by the ISO C standard because it has been implemented on many operating systems other than the UNIX System. Additional interfaces are defined as extensions to the ISO C standard by the Single UNIX Specification.
The standard I/O library handles such details as buffer allocation and performing I/O in optimal-sized chunks, obviating our need to worry about using the correct block size (as in Section 3.9). This makes the library easy to use, but at the same time introduces another set of problems if we’re not cognizant of what’s going on.
The standard I/O library was written by Dennis Ritchie around 1975. It was a major revision ...