carta

Callback(3) on Linux

The text 69067c420e39, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.

define a callback function

Callback(3) on Linux now