C Language Tutorial

Learn C Language
From Scratch

C is a powerful, general-purpose programming language that forms the foundation of modern computing. Master memory management, pointers, and systems programming from the ground up.

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Examples

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About C Language

C was developed by Dennis Ritchie at Bell Labs between 1969 and 1973. It is a procedural, general-purpose programming language that provides low-level access to memory and hardware. C is the foundation for many modern languages including C++, Java, and Python. It is widely used in operating systems, embedded systems, and performance-critical applications.

Prerequisites

No prior programming experience required. Basic computer knowledge is sufficient to get started.

Audience

Beginners, CS students, and developers who want to understand low-level programming concepts.

What You'll Learn

Pointers, memory management, data structures, file handling, and systems programming.

Tools Needed

GCC compiler, Code::Blocks, Dev-C++, VS Code with C extension, or our online C compiler.

Tutorial Topics

Introduction 01 Getting Started 02 Data Types 03 Type Casting 04 Variables & Constants 05 Storage Classes 06 Operators 07 Input & Output 08 Control Flow 09 Loops 10 Functions 11 Recursion 12 Arrays 13 Strings 14 Pointers 15 Structures 16 Unions 17 Enumerations 18 Bit Manipulation 19 File Handling 20 Dynamic Memory 21 Preprocessor 22 Header Files 23 Error Handling 24 Command Line Args 25 Sorting Algorithms 26 Linked Lists 27 Standard Library 28 C Programs 29 Basic Programs 30

Why Learn C Language?

Foundation of Programming - Understanding C makes learning any other language easier.
High Performance - C programs run extremely fast, close to hardware speed.
Systems Programming - Used to build operating systems, compilers, and embedded systems.
Memory Control - Direct memory management with pointers gives full control.
Portable - C code can run on virtually any platform with minimal changes.
Timeless - Decades old yet still one of the most widely used languages in the world.