Lesson 3 – Taking Input

In this lesson, use of a function, that is used for taking integer input, is explained.

Scanf is used to take input from the user. A placeholder is also used in printf OR scanf functions. A placeholder is like a blank space or an empty bowl, there are different placeholders for different data types. Some commonly used are:

• %c – a character.
• %s – a string.
• %d – a decimal integer.
• %o – octal integer.
• %x – a hexadecimal integer.
• %p – an address (pointer)
• %f – for floats