Write a comprehansive program to fill the entire screen with specific character

   1:  #include<stdio.h>

   2:  #include<conio.h>

   3:  void fillscr(char fillchar);

   4:  void main()

   5:  {

   6:  char ch;

   7:  printf("Enter the character:");

   8:  ch=getche();

   9:  fillscr(ch);

  10:  getch();

  11:  }

  12:  void fillscr(char fillchar)

  13:  {

  14:  int i,j;

  15:  for(i=0;i<=25;i++)

  16:      for(j=0;j<=80;j++)

  17:      putchar(fillchar);

  18:  }