ts_get_eventpath(3) on Linux
The text 425ac84e0b96, as Arch Linux 2026-11-01, Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster) shipped it. The page shows this text now.
get the path to the currently opened touchscreen device file