tree 11bef798e43edcd15a0bbaa6fcd5c822e3146a02
parent 30b6496ac81b878ac8ccfe03f495386e24ff1a19
author Andrew Jeffery <andrew@aj.id.au> 1642570160 +1030
committer Andrew Jeffery <andrew@aj.id.au> 1642722298 +1030

main: Add some documentation

Some tricks like defaulting the source and sink file descriptors to
stdin and stdout aren't necessarily obvious, so add some commentary and
justifications throughout.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: I515f36857a7056aa589ecbb09c46372ec4d3976d