How and Why To Learn Function ?

Functions :
Why Need Arises ?

• Suppose we have similar set of statements in Program , then every time writing same statements again is quite boring , so C provide us a way by which we can simply separate out the common statements and put them into the function & every time instead of writing that block , we simply call that function
  
• It Reduces your writing efforts.

Function , How to Learn ?

1. What is Parameter ?
2. What is Return Type ?
3. What is Function Call ?
4. What is Function Definition ?
5. What is Prototype Declaration ?

Example :

Output : Hello India

---

Output :

1. I am in Pune
2. I am in Delhi
3. I am in Bombay