How to create our own header file

1.    Step 1 : Make headerfile. Example (write only function definition as you write in General C Program) int add(int a,int b){ ...

2.    Step 2 : Save Code. Save Above Code with [.h ] Extension . Let name of our header file be myfirstheader [ myfirstheader.h ]

3.    Step 3 : Write Main C Program To Use header file. #include<stdio.h>