2. check the validity of the UIDs, (is there a function in c-client does this?)
It's not a function. It's the uid_validity on the stream (e.g. stream->uid_validity). If it is different from the uid_validity from a previous stream, then none of the UIDs from the previous stream are useful any more.
-- Mark --
http://staff.washington.edu/mrc Science does not emerge from voting, party politics, or public debate. Si vis pacem, para bellum.
