usbmousebuf
struct usbmousebuf *b;
struct usbmousebuf *b;
struct usbmousebuf *mousebufp;
sizeof (struct usbmousebuf)) / sizeof (struct usbmouseinfo));
sizeof (struct usbmousebuf));
struct usbmousebuf *b;
struct usbmousebuf *usbms_buf;