C Programming Code Examples C > Functions Code Examples A function to output double values in a given width C Program to Add Two Complex Numbers by Passing Structure to a Function C program to check even or odd using functions C program to check palindrome number using recursion C program to check prime, armstrong, perfect number using functions program to find cube of a number using function find diameter, circumference and area of circle using function program to find factorial of a number using recursion C program to find GCD (HCF) of two numbers using recursion program to find LCM of two numbers using recursion program to find maximum and minimum elements in array using recursion program to find maximum and minimum using functions C program to find power of a number using recursion C program to find prime numbers in given range using functions C program to find reverse of a number using recursion program to find sum of array elements using recursion program to find sum of digits using recursion find sum of even or odd number in given range using recursion C program to find sum of natural numbers in given range using recursion C program to generate nth fibonacci term using recursion print all Armstrong numbers between given interval using function print all natural numbers from 1 to n using recursion print all strong numbers between given interval using function program to print elements of array using recursion C program to print even or odd numbers in given range using recursion C program to print perfect numbers between given interval using function Creating a void user defined function that doesn't return anything Define local variable for a function Define two functions and call them in main Demonstraction of function call Find out the address of a static variable in a function Function call each other Function call in C programming language Function declaration in C programming language Function pointer in C programming Function pointer in C programming language Function pointer: function call how to declare a function pointer and how to call a function using this pointer Program Code to Function Prototype Function to output square Page 1 Page 2