tftpd(8) on OpenBSD
The text ecefbb327191, as OpenBSD 5.7, OpenBSD 5.6, OpenBSD 5.5, OpenBSD 5.4, OpenBSD 5.3, OpenBSD 5.2 shipped it.
DARPA Trivial File Transfer Protocol daemon
Flags it lists
-
-4 -
-6 -
-c -
-d -
-l -
-p -
-r -
-v