To get return code of a program: program; echo $?

loc

To count your loc i suggest http://www.dwheeler.com/sloccount/.
Count line in your code with find . -name \*.c | xargs wc -l

ure

On kubuntu 8.10 if you install 3.0 openoffice-dev and you want develop you must to create follow symbolik link:
cd /usr/lib/openoffice
ln -s ../ure/ ure