limit_scm        4128 src/extlib.c     ScmObj limit_scm;
limit_scm        4138 src/extlib.c     limit_scm = SCM_ARGREF(1);
limit_scm        4139 src/extlib.c     if (!SCM_INTP(limit_scm)) Scm_Error("small integer required, but got %S", limit_scm);
limit_scm        4140 src/extlib.c     limit = SCM_INT_VALUE(limit_scm);