Scm_IOWriteErrorClass  153 src/error.c    SCM_DEFINE_BASE_CLASS(Scm_IOWriteErrorClass, ScmIOWriteError,
Scm_IOWriteErrorClass  173 src/gauche/exception.h SCM_CLASS_DECL(Scm_IOWriteErrorClass);
Scm_IOWriteErrorClass  174 src/gauche/exception.h #define SCM_CLASS_IO_WRITE_ERROR     (&Scm_IOWriteErrorClass)