C - scanf

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C - scanf() Function - Definition and Usage

In C -Language, scanf() is a predefined function in "stdio.h" header file. It can be used to read the input value from the keyword.
The format string must be a text enclosed in double quotes.
It contains the information for interpreting the entire data for connecting it into internal representation in memory.
Example : integer (%d) , float (%f) , character (%c) or string (%s).

Format specifier :

Format specifier	Type of value
%d	Integer
%f	Float
%lf	Double
%c	Single character
%s	String
%u	Unsigned int
%ld	Long int
%lf	Long double

C Syntax

scanf("format specifiers",&value1,&value2,.....);

Sample coding -C - Scanf Function

#include<stdio.h>
#include<conio.h>
 void main()
 {
    int x;
    float y;
    clrscr();
    printf("Enter any two numbers: ");
    scanf("%d %f",&x,&y);
    printf("%d %f",x,y);
    getch();
}

C Code - Explanation

In this example, “int x” specifies the integer value for the variable x.
Here, “float y” specifies the float value of the variable y.
Here scanf("%d %f",&x,&y) is being used to read the integer & float data from keyboard.
Here %d is an integer value of the variable x.
And %f is a float value of the variable y.

Sample Output - Programming Examples

Here in this output “Enter any two numbers: “ is represented in printf statement.

Here in this output we are entering the values 5 and 10.

Here in this output the entered values 5 and 10 are processed in the console window.
Here 5 is represented as integer value and 10.000000 as float value.

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