1typedef struct vmidi_devc {
 2	   int dev;
 3
 4	/* State variables */
 5	   int opened;
 6	   spinlock_t lock;
 7
 8	/* MIDI fields */
 9	   int my_mididev;
10	   int pair_mididev;
11	   int input_opened;
12	   int intr_active;
13	   void (*midi_input_intr) (int dev, unsigned char data);
14	} vmidi_devc;