void text(char txt[20][4]){
char ch;
clrscr();
gotoxy(45,0);
printf("text mode");
for(y=0;y<=4;)
{
for(i=0;i<=20;i++){
ch=getch();
 
if (ch==13||ch==0)
pos(ch);
 
putch(ch);
txt[i][y]=ch;
}//end of for
y=y+1;
}//end of outer for
}
//****************************
void pos(char ch){
if (ch==13){
 i=1;
 y=y+1;
 gotoxy(i,y);
 } 
else if(ch==0){
 
    ch=getch();
    if(ch==77){
       i=i+1;
       gotoxy(i,y);
       }
    else if(ch==72){
       y=y-1;
       gotoxy(i,y);
       }
    else if(ch==80){
       y=y+1;
       gotoxy(i,y);
       }
    else if(ch==75){
       i=i-1;
       gotoxy(i,y);
       }
       }// end of first else if
}