Input and Output (printf, scanf)
Input and Output in C (printf() and scanf()) Input and Output (I/O) are essential operations in C programming. The C Standard Library provides functions to read data from the user and display output on the
Constants and Operators
Constants and Operators in C Constants A constant is a fixed value that does not change during the execution of a program. Types of Constants 1. Integer Constants Whole numbers without a decimal point. Examples:
Variables and Data Types in C
Variables A variable is a named memory location used to store data. The value of a variable can change during program execution. Syntax Examples Or with initialization: Rules for Naming Variables Valid Variable Names Invalid
Structure of a C Program
A C program follows a standard structure that makes it organized, readable, and easy to maintain. 1. Documentation Section Example: 2. Link Section Example: 3. Definition Section Example: 4. Global Declaration Section Example: 5. Main()
Programming in C
Introduction to C C is a general-purpose, procedural programming language developed by Dennis Ritchie in 1972 at Bell Laboratories. It is one of the most popular programming languages and is widely used for system programming,