demo_met_buffer_allocunsafe_fill.js:
C:\Users\My Name>node demo_met_buffer_allocunsafe_fill.js
<Buffer 02 00 00 00 a7 01 00 00 10 53 49 90 02 a7 01>
<Buffer 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00>