clrscr

void clrscr (void);

clears the screen and move the cursor to upper left corner of the screen.

#include<stdio.h>
#include<conio.h>
 
int main(void)
{
   printf("press any key to start this clrscr example\n");
   getch();
   clrscr();
   printf("Jeah i have overwritten the last content.\n");
   printf("to exit... press a key\n");
   getch();
   return 0;
}

1

  press any key to start this clrscr example

2

  Jeah i have overwritten the last content.
  to exit... press a key