{
    SerialInfo *infoPtr;
    DCB dcb;
    BOOL result, flag;
    size_t len, vlen;
    Tcl_DString ds;
    const WCHAR *native;
    size_t argc;
    Tcl_Size argc;
    const char **argv;

    infoPtr = (SerialInfo *) instanceData;

    /*
     * Parse options. This would be far easier if we had Tcl_Objs to work with
     * as that would let us use Tcl_GetIndexFromObj()...

    }

    /*
     * Option -ttycontrol {DTR 1 RTS 0 BREAK 0}
     */

    if ((len > 4) && (strncmp(optionName, "-ttycontrol", len) == 0)) {
	size_t i;
	Tcl_Size i;
	int res = TCL_OK;

	if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) {
	    return TCL_ERROR;
	}
	if ((argc % 2) == 1) {
	    if (interp != NULL) {