matchpathcon_filespec_eval(3) on Linux

The text 41a73e1446e7, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.

check and report whether any specification index has no matches with any inode. Maintenance and statistics on inode associations