Define Functions.

Write about strlen() function.

What are importance of void data type.

What is Parameter and list its types?

Write a note on Local Scope.

What does header file includes?

What is stdio.h?

Name any four functions belongs to stdio.h?

What is the function of getchar () and putchar() function?

What is the function of gets() and puts() function?

Give an example of using isalnum() function?

Differentiate srand ( ) and rand ( ) function.

Write the syntax of function definition

Write a note on const keyword?

Write the important of ctype.h header file.