ntpdc(8) on FreeBSD
The text 2d4b478ebdfe, as FreeBSD 12.1-RELEASE shipped it.
vendor-specific NTPD control program
Flags it lists
-
-! -
--command -
--debug-level -
--help -
--interactive -
--ipv4 -
--ipv6 -
--listpeers -
--load-opts -
--more-help -
--no-load-opts -
--numeric -
--peers -
--save-opts -
--set-debug-level -
--showpeers -
--version -
-4 -
-6 -
-< -
-> -
-? -
-D -
-c -
-d -
-i -
-l -
-n -
-p -
-s