0      Success       1      Syntax or usage error       2      Protocol incompatibility       3      Errors selecting input/output files, dirs       4      Requested  action not supported: an attempt was made to manipulate 64-bit files on a                that cannot support them; or an option was specified that is supported by the client and                 not by the server.       5      Error starting client-server protocol       6      Daemon unable to append to log-file       10     Error in socket I/O       11     Error in file I/O       12     Error in rsync protocol data stream       13     Errors with program diagnostics       14     Error in IPC code       20     Received SIGUSR1 or SIGINT       21     Some error returned by waitpid()       22     Error allocating core memory buffers       23     Partial transfer due to error       24     Partial transfer due to vanished source files       25     The --max-delete limit stopped deletions       30     Timeout in data send/receive       35     Timeout waiting for daemon connection