scheme_scm 136 ext/charconv/convlib.c ScmObj scheme_scm; scheme_scm 142 ext/charconv/convlib.c scheme_scm = SCM_ARGREF(1); scheme_scm 143 ext/charconv/convlib.c if (!SCM_STRINGP(scheme_scm)) Scm_Error("string required, but got %S", scheme_scm); scheme_scm 144 ext/charconv/convlib.c scheme = SCM_STRING(scheme_scm);