pppstats(8) on OpenBSD
The text 2963f664e876, as OpenBSD 2.5, OpenBSD 2.4, OpenBSD 2.3, OpenBSD 2.2 shipped it.
report statistics for the specified PPP interface
Flags it lists
-
-a -
-c -
-d -
-r -
-v -
-w -
-z