strs_scm         1898 src/extlib.c     ScmObj strs_scm;
strs_scm         1908 src/extlib.c     strs_scm = SCM_ARGREF(0);
strs_scm         1909 src/extlib.c     if (!SCM_LISTP(strs_scm)) Scm_Error("list required, but got %S", strs_scm);
strs_scm         1910 src/extlib.c     strs = (strs_scm);