varnishncsa(1) on Linux
The text c3efc6bbdd55, as Debian 11 (Bullseye) shipped it.
Display Varnish logs in Apache / NCSA combined log format
Flags it lists
-
--optstring -
-C -
-D -
-E -
-V -
-a -
-b -
-c -
-d -
-h