printf() and scanf() function in C | C programming

The Printf () function

Printf is a function in c language. We will discuss about the functions in different in deep . Lets have a look at the printf() function. 

The printf function is used to display information required to the user and also prints the value of the variables . We also uses a semi colon at the end of the braces of printf function. 

We can use printf function in three different ways:- 

These are as follows :- 

1. Printf("string to be printed"); 
2. Printf("format specifier", variable list); 
3. Printf("string with format specifier",variable list); 

Example 1: C Output

#include <stdio.h>

  

int main()

{

   // Displays the string inside quotations

  printf("Welcome to the field of programming");

    return 0;

}




Output  

"Welcome to the field of programming"  

The Scanf() Function

The scanf() is used to read Formatted data from the keyboard . The syntax of the scanf() function can be given as 

Scanf("format specifier", variable list);

The format specifier specifies the types and format of the data that has to be obtained from the keyboard and stored in the memory locations. 

scanf("%d",& variable name ); 

Example 1: Add two numbers.

#include <stdio.h>

  

int main()

Int a; Int b; Int c;

{

    // Displays the string inside quotations

  printf("enter two numbers to add");

Scanf("%d%d",a,b );

C=a+b; Printf(" sum is : %d",c);


    return 0;

}




Output  

enter two numbers to add 10,5

=15