Scm_GenericSlotUnbound  150 src/class.c    SCM_DEFINE_GENERIC(Scm_GenericSlotUnbound, Scm_NoNextMethod, NULL);
Scm_GenericSlotUnbound 1222 src/class.c        Scm_VMApply(SCM_OBJ(&Scm_GenericSlotUnbound),       \
Scm_GenericSlotUnbound 3077 src/class.c        GINIT(&Scm_GenericSlotUnbound, "slot-unbound");