int ret;  
static int ftdi_tiocmset(struct usb_serial_port *port, struct file * file, unsigned int set, unsigned int clear){	int ret;		dbg("%s TIOCMSET", __FUNCTION__);	if (set & TIOCM_DTR){		if ((ret = set_dtr(port, HIGH)) < 0) {			err("Urb to set DTR failed");			return(ret);		}	}	if (set & TIOCM_RTS) {		if ((ret = set_rts(port, HIGH)) < 0){			err("Urb to set RTS failed");			return(ret);		}	}		if (clear & TIOCM_DTR){		if ((ret = set_dtr(port, LOW)) < 0){			err("Urb to unset DTR failed");			return(ret);		}	}		if (clear & TIOCM_RTS) {		if ((ret = set_rts(port, LOW)) < 0){			err("Urb to unset RTS failed");			return(ret);		}	}	return(0);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/74ede0ff59fb18787213ed979641624a2f234821/ftdi_sio.c/clean/drivers/usb/serial/ftdi_sio.c