Scm_VMSlotBoundP 1569 src/class.c        return Scm_VMSlotBoundP(obj, slot);
Scm_VMSlotBoundP  575 src/gauche.h   SCM_EXTERN ScmObj Scm_VMSlotBoundP(ScmObj obj, ScmObj slot);
Scm_VMSlotBoundP  421 src/moplib.c   SCM_RESULT = Scm_VMSlotBoundP(obj, slot);