get_wch(3) on FreeBSD
The text 1b5fff76f4ee, as FreeBSD 13.5-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE, FreeBSD 13.2-RELEASE, FreeBSD 13.1-RELEASE, FreeBSD 13.0-RELEASE shipped it.
get (or push back) a wide character from curses terminal keyboard