#PRAGMA EXTERNAL "PROC C.alsa.seq.init () = 0"
#PRAGMA EXTERNAL "PROC B.alsa.seq.read.event (BOOL ok, INT type, [4]INT args) = 3"
#PRAGMA EXTERNAL "PROC C.alsa.pcm.init (VAL INT sample.rate) = 0"
#PRAGMA EXTERNAL "PROC B.alsa.pcm.play (VAL []REAL32 left, right) = 3"