SCM_METHODP       242 src/moplib.c     if (!SCM_METHODP(m_scm)) Scm_Error("method required, but got %S", m_scm);
SCM_METHODP       264 src/moplib.c     if (!SCM_METHODP(m_scm)) Scm_Error("method required, but got %S", m_scm);
SCM_METHODP       190 src/prof.c             if (SCM_METHODP(func) && SCM_METHOD(func)->func == NULL) {