dccp(1) on Linux
The text 57dbe3c06d0b, as Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
Flags it lists
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-B -
-H -
-P -
-a -
-b -
-h -
-i -
-l -
-p -
-r -
-s -
-t