MFV r272851:

5202 want ctf(4)

illumos/illumos-gate@fe2e029eea29fd49d0d9058dbd5b79a252667e6b


git-svn-id: svn+ssh://svn.freebsd.org/base/head@275592 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f