119 struct usb_line6 {  struct
121 	struct usb_device *usbdev;
124 	const struct line6_properties *properties;
127 	int interval;
129 	int intervals_per_second;
132 	int iso_buffers;
135 	int max_packet_size;
138 	struct device *ifcdev;
143 	struct snd_card *card;
146 	struct snd_line6_pcm *line6pcm;
149 	struct snd_line6_midi *line6midi;
152 	struct urb *urb_listen;
155 	unsigned char *buffer_listen;
179 	void (*process_message)(struct usb_line6 *);  argument
180 	void (*disconnect)(struct usb_line6 *line6);  argument
181 	void (*startup)(struct usb_line6 *line6);  argument