INTRODUCTION Keywords & Identifier Variables & Constants C Data Types C Input/Output C Operators Basic Examples FLOW CONTROL if...else Statement C for Loop C while Loop break and continue switch Statement Decision Examples FUNCTIONS Functions Introduction User-defined Function Function Types Recursion in C Variable Scope Function Examples ARRAYS C Arrays Introduction Multidimensional Array Arrays & Functions Strings in C String Functions Array Examples C POINTERS C Pointers Pointers & Arrays Pointers & Functions Memory Management Pointer Examples STRUCTURE & FILE C Structure Structure & Pointers Structure & Functions C Unions Structure Examples Files Handling