Saves/restores the terminal mode.
Curses Library (libcurses.a)
#include <curses.h>
int resetty(void);
int savetty(void):
The resetty subroutine restores the program mode as of the most recent call to the savetty subroutine.
The savetty subroutine saves the state that would be put in place by a call to the reset_prog_mode subroutine.
Upon successful completion, these subroutines return OK. Otherwise. they return ERR.
To restore the terminal to the state it was in at the last call to savetty, enter:
resetty();