ldap_first_message(3) on macOS

The text 3ba502ebff4c, as Mac OS X 10.7.5, Mac OS X 10.7.4, Mac OS X 10.7.3, Mac OS X 10.7.2, Mac OS X 10.7.1, Mac OS X 10.7 shipped it.

Stepping through messages in a result chain

ldap_first_message(3) on macOS now