Introduction to C – History, Features, and Applications

Setting Up the Environment – Installing a Compiler (GCC, Turbo C, Code::Blocks)

Basic Structure of a C Program – main(), Header Files, Compilation & Execution

Variables and Data Types – int, float, char, double, etc.

Input & Output in C – printf(), scanf(), gets(), puts()

Operators in C – Arithmetic, Relational, Logical, Bitwise, Assignment

Control Statements – Part 1 – if, if-else, nested if, else-if ladder

Arrays in C – Part 2 – 2D Arrays (Matrices) & Multi-Dimensional Arrays

Strings in C – Part 1 – Character Arrays, String Input/Output

Strings in C – Part 2 – String Functions (strlen(), strcpy(), strcmp(), strcat())

Pointers in C – Part 1 – Basics, Pointer Arithmetic

Pointers in C – Part 2 – Pointers and Arrays, Pointers to Functions

Dynamic Memory Allocation – malloc(), calloc(), realloc(), free()

Structures in C – Part 1 – Declaring & Using Structures

Structures in C – Part 2 – Nested Structures, Array of Structures

Unions & Enumerations – Differences Between Structure & Union

File Handling – Part 1 – File Operations (fopen(), fclose(), fprintf(), fscanf())

File Handling – Part 2 – Reading & Writing Files, fgets(), fputs()

Preprocessor Directives – #define, #include, #ifdef, #ifndef

Command Line Arguments – How to Pass Arguments to main()

Error Handling & Debugging – Common Errors, Debugging Techniques

Mini Project & Revision – Simple C Project (Calculator, Student Record System, etc.)