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22/04/2016 Categories: C Programming. No Comments on Input and Output in C

Reading Input from Keyboard

Another way of assigning values to variables besides directly assigning the value is reading values from the keyboard. C provides scanf function in the stdio.h header file. Using this function we can read values from the keyboard and assign the values to variables. The syntax of scanf function is as shown below:

scanf-syntax

The control string specifies the type of value to read from the keyboard and the ampersand symbol & is an operator to specify the address the variable(s). Example usage of scanf function is shown below:

scanf-example

 

Printing onto Screen

To print or output text onto the screen, we use printf function. Syntax of printf function is as shown below:

printf-syntax

Example usage of printf function is shown below:

printf-example1

Following are the format specifiers or control strings available in C:

format-specifiers

 

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