The clrscr() Function in C and C++

Function Name: clrscr()                           

Function Header: <conio.h>

Declaration:  void clrscr(void);

Return Value:  None

The clrsrc() function is used to clear text mode window. It clears the current text window and places the cursor in the upper left-hand corner (at position 1, 1). If you don’t use this function, you will see the previous output text written by previous program. 

Example of the clresc() function

#include<stdio.h>

#include <conio.h>

 void  main()

 {

    int i;

    clrscr();

    for( i = 0; i < 10; i++)

    printf("clrscr function test\n");

    printf("\n\nPress any key to clear screen");
    getch();

    clrscr();

    printf("The screen has been cleared!");

    getch();

 }

Output

When you press any key, you will find the below output.