Standard Liabrary Files in C

Functions:

C program consist on some small modules that modules called Function.

There are two types of Function

• Built In Functions
• User Define Functions

In Built in functions Functions define in C language automatically on the other hand in User define Functions are the functions which are define by Users.

C Standard Library:

You can program all the functions that you need to create a C program, In C language there is rich collection of Standard Libraries that contains a lot of function which are helpful for us in C programming.

Header Files:

Header files are the files that contain all definitions of of functions. Header files always located on the top of program. Header files always start with #include.