qshared(3qt) on Linux
The text 0c8fef03640d, as Debian 3.0 (Woody) shipped it. The page shows this text now.
The QShared struct is internally used for implementing shared classes #include <qshared.h> Inherited by QGLayoutIterator, QGuardedPtrPrivate, QMapPrivateBase, QStringData, QValueListPrivate and QVariantPrivate.