#define Blank           ' '
#define You             'O'
#define Qix_Head        4
#define F_11            217
#define F_12            191
#define F_13            218
#define F_14            192
#define F_15            197
#define F_18            196
#define F_19            195
#define F_1C            180
#define F_1D            193
#define F_1E            194
#define F_1F            179

#define K_NONE 0
#define K_UP 1
#define K_DOWN 2
#define K_LEFT 3
#define K_RIGHT 4
#define K_WALL 5
#define K_PAUSE 6
#define K_EXIT 7
#define K_YES  8
#define K_NO  9
#define K_CR '\n'

void Draw_Screen (), VT_print_covered (), VT_covered (double), 
    VT_print_score (), VT_score (int), VT_print_lives (), VT_lives (),
    VT_print_level (), VT_level (int), VT_fill_start (), VT_fill_end (), 
    VT_beep (), VT_init (), VT_clear (), VT_pause ();
char VT_getchar ();
void TopTen (int, int), top_header (char *, int), top_score (int),
    top_entry (int, int, int, char *, char *, int), wait_message ();
int terminate (char *);
void qix (int);

extern int WIDTH, HEIGHT;