Léo Lam 68cd8fc910 IOS: Move ES return codes
This keeps all of the return codes in the same place and exposed
publicly (as they are not internal to ES).

I have also added proper IOSC error codes and renamed some codes
for more consistency. (Unix ones have an E prefix, others do not.)
2017-03-28 20:02:26 +02:00
..
2017-03-28 20:02:26 +02:00
2017-03-08 01:24:18 -08:00