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C Programming Foundations

Learn C programming step by step, from Hello World, variables, input/output, branches, loops, arrays, strings, and functions to pointers, file I/O, and structs, while mastering macros, multi-file builds, command-line arguments, dynamic memory, and unions.

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Table of Contents

Chapter 1: Hello World

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1.1 Hello World and Compilation
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1.2 Data Types and Variables
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1.3 Input and Output
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1.4 Expressions and Operators

Chapter 2: Branches

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2.1 Relational and Logical Operators
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2.2 Conditional Branches
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2.3 The switch Statement

Chapter 3: Loops

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3.1 while and do-while Loops
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3.2 for Loops and Counting
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3.3 Nested Loops
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3.4 break and continue

Chapter 4: Arrays and Strings

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4.1 Arrays and Indexes
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4.2 2D Arrays and Sequence Statistics
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4.3 Character Sets and ASCII
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4.4 Strings

Chapter 5: Functions

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5.1 Functions, Parameters, and Returns
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5.2 Scope and Storage Duration
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5.3 Recursion

Chapter 6: Macros, Multi-file Builds, and Command-line

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6.1 Macros and the Preprocessor
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6.2 Multi-file Builds and Headers
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6.3 Command-line Arguments

Chapter 7: Pointers

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7.1 Pointer Basics
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7.2 Pointers and Arrays
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7.3 Pointers and Functions
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7.4 Pointers and Strings
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7.5 Pointer to Pointer
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7.6 Dynamic Memory with malloc/free

Chapter 8: File I/O

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8.1 Opening and Closing Files
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8.2 Structured File I/O
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8.3 Character, String, and Line I/O

Chapter 9: Unions and Structs

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9.1 Unions
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9.2 Struct Basics
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9.3 Nested Structs and Arrays of Structs

SUITABLE AUDIENCE

Complete beginners, students who want a solid C foundation, and learners preparing for systems or embedded programming.

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