🎯 Complete C Programming Learning Path

Welcome to your comprehensive C programming journey! This repository is structured to take you from beginner to advanced level with hands-on practice.

📚 How to Use This Repository

Each module contains multiple topics, and each topic has 3 files:

•README.md - Complete theoretical explanation with detailed concepts
•examples.c - Working code examples demonstrating the concepts
•exercises.c - Practice problems for you to solve

Learning Workflow:

📖 Read README.md → 👀 Study examples.c → ✍️ Complete exercises.c

🗂️ Module Structure

📘 Module 1: Introduction to C

Topic	Description
01_History_and_Features	Origins of C, ANSI C, features and advantages
02_Structure_of_C_Program	Main function, sections, basic program anatomy
03_Compilation_Process	Preprocessing, compilation, assembly, linking
04_IDEs_and_Compilers	GCC, Clang, Code::Blocks, VS Code setup

📘 Module 2: Basic Syntax

Topic	Description
01_Data_Types	int, float, double, char, void, size modifiers
02_Variables_and_Constants	Declaration, initialization, const, #define
03_Input_Output	printf, scanf, format specifiers, buffering
04_Operators	Arithmetic, relational, logical, bitwise, assignment
05_Typecasting	Implicit/explicit conversion, type promotion
06_Comments_and_Documentation	Single-line, multi-line, documentation practices

📘 Module 3: Control Flow

Topic	Description
01_If_Else	if, if-else, else-if ladder, nested conditions
02_Switch_Case	switch statement, case, default, fall-through
03_Loops	for, while, do-while loops, loop control
04_Break_Continue_Goto	Loop control statements, goto usage
05_Nested_Loops	Nested loop patterns, complexity analysis

📘 Module 4: Functions

Topic	Description
01_Function_Basics	Declaration, definition, calling, return types
02_Parameters_and_Arguments	Pass by value, pass by reference, arrays
03_Recursion	Base case, recursive calls, stack usage
04_Scope_and_Storage_Classes	auto, static, extern, register, scope rules

📘 Module 5: Arrays

Topic	Description
01_One_Dimensional_Arrays	Declaration, initialization, access, operations
02_Multi_Dimensional_Arrays	2D/3D arrays, matrix operations
03_Passing_Arrays_to_Functions	Array decay, pointer notation
04_Character_Arrays_and_Strings	C-strings, null terminator, string handling

📘 Module 6: Pointers

Topic	Description
01_Introduction_to_Pointers	Pointer basics, declaration, dereferencing
02_Pointers_and_Arrays	Array-pointer relationship, pointer arithmetic
03_Pointers_and_Functions	Pass by reference, returning pointers
04_Pointer_to_Pointer	Double pointers, dynamic 2D arrays
05_Function_Pointers	Callbacks, function pointer arrays

📘 Module 7: Strings

Topic	Description
01_String_Basics	String declaration, initialization, literals
02_String_Functions	strlen, strcpy, strcat, strcmp, etc.
03_String_Manipulation	Tokenizing, searching, advanced operations
04_String_Arrays	Array of strings, command-line args

📘 Module 8: Structures and Unions

Topic	Description
01_Structure_Basics	Declaration, initialization, accessing members
02_Nested_Structures	Structures within structures, complex types
03_Array_of_Structures	Managing collections of structured data
04_Pointers_to_Structures	Arrow operator, dynamic structures
05_Unions	Shared memory, type punning, variants
06_Bit_Fields	Compact data storage, hardware registers

📘 Module 9: File Handling

Topic	Description
01_File_Basics	FILE pointer, fopen, fclose, modes
02_Reading_Files	fgetc, fgets, fscanf, fread
03_Writing_Files	fputc, fputs, fprintf, fwrite
04_Binary_Files	Binary mode, struct serialization
05_Random_Access	fseek, ftell, rewind, file positioning

📘 Module 10: Dynamic Memory Allocation

Topic	Description
01_Memory_Concepts	Stack vs heap, memory layout, allocation
02_Malloc_and_Free	malloc, free, memory management
03_Calloc_and_Realloc	calloc, realloc, dynamic resizing
04_Memory_Leaks_and_Debugging	Valgrind, common errors, best practices
05_Dynamic_Data_Structures	Linked lists, dynamic arrays

📘 Module 11: Preprocessor Directives

Topic	Description
01_Macros_and_Defines	#define, object-like/function-like macros
02_Conditional_Compilation	#if, #ifdef, #ifndef, platform-specific code
03_File_Inclusion	#include, header guards, include paths
04_Advanced_Macros	Variadic macros, stringification, concatenation
05_Pragma_Directives	#pragma, compiler-specific directives

📘 Module 12: Advanced Topics

Topic	Description
01_Command_Line_Arguments	argc, argv, argument parsing
02_Bit_Manipulation	Bitwise operations, bit masking, flags
03_Variable_Arguments	va_list, va_start, va_arg, va_end
04_Error_Handling	errno, perror, assert, error strategies
05_Multi_File_Projects	Header files, separate compilation, make

🛠️ Setup Instructions

Installing GCC on Linux:

sudo apt update
sudo apt install build-essential

Installing GCC on Windows:

•Download MinGW from https://www.mingw-w64.org/
•Add to PATH environment variable

Installing GCC on macOS:

xcode-select --install

Compiling and Running:

gcc filename.c -o output
./output

📝 Progress Tracker

Use this checklist to track your learning progress:

Module 1: Introduction to C

• 01_History_and_Features
• 02_Structure_of_C_Program
• 03_Compilation_Process
• 04_IDEs_and_Compilers

Module 2: Basic Syntax

• 01_Data_Types
• 02_Variables_and_Constants
• 03_Input_Output
• 04_Operators
• 05_Typecasting
• 06_Comments_and_Documentation

Module 3: Control Flow

• 01_If_Else
• 02_Switch_Case
• 03_Loops
• 04_Break_Continue_Goto
• 05_Nested_Loops

Module 4: Functions

• 01_Function_Basics
• 02_Parameters_and_Arguments
• 03_Recursion
• 04_Scope_and_Storage_Classes

Module 5: Arrays

• 01_One_Dimensional_Arrays
• 02_Multi_Dimensional_Arrays
• 03_Passing_Arrays_to_Functions
• 04_Character_Arrays_and_Strings

Module 6: Pointers

• 01_Introduction_to_Pointers
• 02_Pointers_and_Arrays
• 03_Pointers_and_Functions
• 04_Pointer_to_Pointer
• 05_Function_Pointers

Module 7: Strings

• 01_String_Basics
• 02_String_Functions
• 03_String_Manipulation
• 04_String_Arrays

Module 8: Structures and Unions

• 01_Structure_Basics
• 02_Nested_Structures
• 03_Array_of_Structures
• 04_Pointers_to_Structures
• 05_Unions
• 06_Bit_Fields

Module 9: File Handling

• 01_File_Basics
• 02_Reading_Files
• 03_Writing_Files
• 04_Binary_Files
• 05_Random_Access

Module 10: Dynamic Memory Allocation

• 01_Memory_Concepts
• 02_Malloc_and_Free
• 03_Calloc_and_Realloc
• 04_Memory_Leaks_and_Debugging
• 05_Dynamic_Data_Structures

Module 11: Preprocessor Directives

• 01_Macros_and_Defines
• 02_Conditional_Compilation
• 03_File_Inclusion
• 04_Advanced_Macros
• 05_Pragma_Directives

Module 12: Advanced Topics

• 01_Command_Line_Arguments
• 02_Bit_Manipulation
• 03_Variable_Arguments
• 04_Error_Handling
• 05_Multi_File_Projects

💡 Tips for Success

•Type the code yourself - Don't copy-paste
•Experiment - Modify examples to see what happens
•Debug errors - Learning to fix bugs is crucial
•Practice daily - Consistency beats intensity
•Build projects - Apply what you learn

Happy Coding! 🚀