ypmatch(1) on OpenBSD

The text 995cc6a5b7fe, as OpenBSD 6.4, OpenBSD 6.3, OpenBSD 6.2, OpenBSD 6.1, OpenBSD 6.0, OpenBSD 5.9, OpenBSD 5.8, OpenBSD 5.7 shipped it.

print the values of one or more keys in a YP database

Flags it lists