zplay(1) on Linux
The text 0e5023448381, as Debian 1.1 (Buzz) shipped it.
modem utility to record and play voice files
Flags it lists
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-C -
-D -
-I -
-K -
-L -
-S -
-T -
-V -
-X -
-b -
-c -
-d -
-l -
-m -
-r -
-s -
-t -
-v -
-x