Scm_UnknownClass 105 src/class.c SCM_DEFINE_BUILTIN_CLASS_SIMPLE(Scm_UnknownClass, NULL); Scm_UnknownClass 584 src/gauche.h SCM_CLASS_DECL(Scm_UnknownClass); Scm_UnknownClass 597 src/gauche.h #define SCM_CLASS_UNKNOWN (&Scm_UnknownClass)