add_wchnstr(3) on FreeBSD
The text 6494a32abb40, 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.
add an array of complex characters (and attributes) to a curses window