C Primer Plus, Fourth Edition

The C Library

Originally, there was no official C library. Later, a de facto standard emerged based on the UNIX implementation of C. The ANSI C committee, in turn, developed an official standard library, largely based on the de facto standard. Recognizing the expanded C universe, the committee then sought to redefine the library so that it could be implemented on a wide variety of systems.

We've already discussed some I/O functions, character functions, and string functions from the library. In this chapter, we'll browse through several more. First, however, let's talk about how to use a library.

Gaining Access to the C Library

How you gain access to the C library depends on your implementation, so you need to see how the more general statements ...