Textbook in PDF format

A Quick Start.
Basic Concepts.
Data.
Statements.
Operators and Expressions.
Pointers.
Functions.
Arrays.
Strings, Characters, and Bytes.
Structures and Unions.
Dynamic Memory Allocation.
Using Structures and Pointers.
Advanced Pointer Topics.
The Preprocessor.
Input/Output Functions.
Standard Library.
Classic Abstract Data Types.
Runtime Environment