Scm_VMClass      5294 src/extlib.c   SCM_DEFINE_BUILTIN_CLASS(Scm_VMClass, Scm_VMClass_PRINT, NULL, NULL, NULL, SCM_CLASS_DEFAULT_CPL);
Scm_VMClass      5972 src/extlib.c     Scm_InitBuiltinClass(&Scm_VMClass, "<thread>", Scm_VMClass__SLOTS, TRUE, module);
Scm_VMClass       444 src/gauche/vm.h SCM_CLASS_DECL(Scm_VMClass);
Scm_VMClass       445 src/gauche/vm.h #define SCM_CLASS_VM              (&Scm_VMClass)