Scm_SysFdsetClass 2737 src/gauche.h   SCM_CLASS_DECL(Scm_SysFdsetClass);
Scm_SysFdsetClass 2738 src/gauche.h   #define SCM_CLASS_SYS_FDSET     (&Scm_SysFdsetClass)
Scm_SysFdsetClass 1315 src/system.c   SCM_DEFINE_BUILTIN_CLASS(Scm_SysFdsetClass, NULL, NULL, NULL,
Scm_SysFdsetClass 1643 src/system.c       Scm_InitStaticClass(&Scm_SysFdsetClass, "<sys-fdset>", mod, NULL, 0);