The mpg123 reads one or more files (or standard input if ``-'' is
specified) or URLs and plays them on the audio device (default) or
outputs them to stdout. file/URL is assumed to be an MPEG-1/2 audio
bit stream.
===> The following configuration options are available for mpg123-1.33.7:
SNDIO=off: Sndio audio support
===> Use 'make config' to modify these settings