+/*
+ * oldver is the version number of Citadel Server which was active on the previous run of the program, learned from the system configuration.
+ * If we are running a new Citadel Server for the first time, oldver will be 0.
+ * We keep this value around for the entire duration of the program run because we'll need it during several stages of startup.
+ */
+int oldver = 0;