https://docs.oracle.com/cd/E86824_01/html/E54767/wclear-3xcurses.html
wclear - man pages section 3: Curses Library Functions
clear , erase , wclear , werase - clear a window The clear() and erase() functions clear stdscr , destroying its previous contents. The wclear() and werase()...
man pagessectioncurseslibraryfunctions