Factorial Program in C – Iterative and Recursive with Output

The factorial program in C is one of the most common exercises for learning recursion and loops. The factorial of a non-negative integer n, written n!, is the product of all positive integers from 1 to n. By definition, 0! = 1. This page covers two approaches — iterative and recursive — with compile-verified code, …

C Program to demonstrate the ‘getchar’ function.

The getchar() function reads a single character from standard input (the keyboard) and returns it. It is one of the simplest input functions in C and a great way to understand how the input buffer works. In this program we use getchar() in a loop to read text entered by the user and count how …

C Program to check the given number is Armstrong or not?

C Program to check the given number is Armstrong number or not?. Armstrong number is a number that is the sum of its own digits each raised to the power of the number of digits. Example: 153 = 1^3 + 5^3 + 3^3. Read more about C Programming Language . /************************************************************ You can use all …

extern Keyword in C – Declaration, Definition, and Multi-File Programs

The extern keyword in C declares that a variable or function exists — but is defined somewhere else. It tells the compiler “trust me, this symbol is defined in another translation unit; the linker will resolve it.” Understanding extern is essential for any multi-file C program, and confusing declaration with definition is one of the …

C Program to demonstrate functions.

C Program to demonstrate functions. C Functions are block of codes, performs the specific task. Default function in C is main(). Advantages of the functions are easy to understand, coding, well defined tasks, easy error handling. There are several ways to call the functions like, pass by value, pass by reference etc.. Read more about …

C Program to Find out the size of the different data types

C Program to find the Size of Different data types. In This program we, find the size of the datatypes in c using sizeof() operator. sizeof() operator returns the its argument memory in bytes. Read more about C Programming Language . /************************************************************ You can use all the programs on www.c-program-example.com* for personal and learning purposes. …