The C Library Reference Guide
by Eric Huss
This guide provides a useful look at the standard C programming language. In no way does this guide attempt to teach one how to program in C, nor will it attempt to provide the history of C or the various implementations of it. It is merely a handy reference to the standard C library. This guide is not a definitive look at the entire ANSI C standard. It is simply a quick reference to the functions and syntax of the language.
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by Derek M. Jones - Addison-Wesley Professional
The book about the latest version of the C Standard, it is a systematic analysis of the language standard. Every sentence in the C Standard appears in this book, followed by a commentary section, common implementations, coding guidelines, etc.
by Simon Long - Raspberry Pi Ltd.
Learn to code with C across 13 packed chapters: Create variables and do arithmetic; Control the flow of your C programs; For loops and case statements; Understand and create functions; Work with arrays and strings; and much more.
by Nick Parlante - Stanford University
A 45 page summary of the C language. Explains all the common features and techniques for the C language. The coverage is pretty quick, so it is most appropriate for someone with some programming background who needs to see how C works.
by K. Joseph Wesley, R. Rajesh Jeba Anbiah
This is an intermediate to advanced C programming book writen for C lovers, students, programmers, and other enthusiasts. The book is written to open many secrets of C, it alos introduces various approaches to solve different problems.