What is the default value of @CONFDIR@?

[tobrop]

For Linux, it should be /etc/tor/ in many cases.

What do the surrounding at sign(@) meaning in the tor manual?e.g. @CONFDIR@/torrc

What do the surrounding at sign(@) meaning in the tor manual?e.g. @CONFDIR@/torrc the context:Tor Project: manual If it is one general concept(such as $ in $HOME/.torrc meaning shell/environment variable of “HOME”) I want get some introduction link. thank you.