uif(8) on Linux
The text 4e4eac0afaa4, as Debian 7 (Wheezy) shipped it.
Tool for generating optimized packetfilter rules
Flags it lists
-
-C -
-D -
-R -
-T -
-W -
-b -
-c -
-d -
-p -
-r -
-s -
-t -
-w