if (objc != 3) {
	Tcl_WrongNumArgs(interp, 1, objv,  "string1 string2");
	return TCL_ERROR;
    }

    str1 = Tcl_GetStringFromObj(objv[1], &len1);
    str2 = Tcl_GetStringFromObj(objv[2], &len2);
    len1 = Tcl_NumUtfChars(str1, len1);
    len2 = Tcl_NumUtfChars(str2, len2);
    if (len1 == len2) {
	result = (Tcl_UtfNcmp(str1, str2, (size_t)len1) == 0);
    } else {
	result = 0;
    }
    Tcl_SetObjResult(interp, Tcl_NewIntObj(result));
    return TCL_OK;
}