//usage:#define beep_trivial_usage
//usage: "-f FREQ -l LEN -d DELAY -r COUNT -n"
//usage:#define beep_full_usage "\n\n"
-//usage: "Options:"
-//usage: "\n -f Frequency in Hz"
+//usage: " -f Frequency in Hz"
//usage: "\n -l Length in ms"
//usage: "\n -d Delay in ms"
//usage: "\n -r Repetitions"