Scm_NoNextMethod 1914 src/class.c        instance->fallback = Scm_NoNextMethod;
Scm_NoNextMethod 2928 src/class.c    	gf->fallback = Scm_NoNextMethod;
Scm_NoNextMethod 2335 src/gauche.h   SCM_EXTERN ScmObj Scm_NoNextMethod(ScmObj *args, int nargs, ScmGeneric *gf);