dpkg
http://www.linuxquestions.org/questions/debian-26/dpkg-what-does-a-status-of-rc-mean-355593/
A status of ‘rc’ signifies that the package has been removed, but that the configuration files remain
There are 3 fields. The first one is the called Desired, the second Status and the last one is Error. Your first letter is r, thus the package is Removed Your second letter is c, thus your config files are still there. You don’t have a third letter, thus no error.
Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Installed/Config-f/Unpacked/Failed-cfg/Half-inst/t-aWait/T-pend |/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)