is_linetouched
is_linetouched(WINDOW *win, int line)
#define is_linetouched(w, y) (0 <= (w)->_last[y])
#define is_linetouched(w, y) (0 <= (w)->_last[y])
#undef is_linetouched
is_linetouched(WINDOW *w, int y)