Introduction to C, History of C, Features of C

Structure of a C Program, Compiler Linker & Execution Flow, Tokens in C, Keywords & Identifiers, Variables, Constants & Literals, Data Types in C, Input/Output (printf scanf), Comments in C

Operators, Operator Precedence & Associativity, Type Conversion & Casting

Decision Making (if else switch), Loops (for while do-while), Jump Statements (break continue goto)

1D Arrays, 2D & Multidimensional Arrays, Common Array Operations, Strings, String Functions

Functions, Call by Value & Call by Reference, Recursion

Storage Classes, Memory Layout (Stack Heap Code), Memory Leaks & Debugging

Pointers, Pointer Arithmetic, Pointers & Arrays, Pointers & Strings, Pointers & Functions, Void Wild & Dangling Pointers

Structures, Nested Structures, Unions, Enumerations (Enum), typedef Keyword

malloc calloc, realloc free

Basic File Handling, File Modes (r w a rb), Reading & Writing Files, fseek ftell rewind

C Preprocessor, Macros (#define), Header Files, Modular Programming, Inline Functions (C99)

Command-line Arguments, Error Handling (errno perror)

Introduction to Data Structures, Linked List, Stack, Queue, Circular Queue, Introduction to Trees

Bitwise Operators

Interview Questions, Mini Projects in C