snf 660 src/class.c static void class_numislots_set(ScmClass *klass, ScmObj snf) snf 663 src/class.c if (!SCM_INTP(snf) || (nf = SCM_INT_VALUE(snf)) < 0) { snf 664 src/class.c Scm_Error("invalid argument: %S", snf);