is_linetouched
if (is_linetouched(w, ys))
if (! is_linetouched(w, ye))
if (is_linetouched(panel -> win, i) == TRUE)
if (is_linetouched(stdscr, screen_y) == TRUE)
extern bool is_linetouched(WINDOW *, int);
(is_linetouched)(w, y)
extern bool is_linetouched(WINDOW *, int);