Various examples of functions

Here are various examples of functions in C programming:

1. Addition Function:

2. Factorial Function:

3. Fibonacci Series Function:

4. Square Function:

5. Check Prime Function:

6. Swap Function (Using Pointers):

7. Maximum Function:

These are just a few examples of functions in C programming. Functions allow you to encapsulate logic and reuse code, making your programs more organized and modular. You can create functions to perform a wide range of tasks, and they are an essential part of C programming.