afGetTrackBytes(3) on Linux
The text 05161adf33a1, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it. The page shows this text now.
get the total sample frame count, length of audio track in bytes, offset of the audio track for a track in an audio file