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Includes

#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>

usb_error_t     usb_pipe_open(struct usb_device *udev,
            const uint8_t *ifaces, struct usb_pipe **,
            const struct usb_config *, int count,
            void *priv);
void            usb_pipe_halt(struct usb_pipe *);
void            usb_pipe_restart(struct usb_pipe *);
void            usb_pipe_drain(struct usb_pipe *);
void            usb_pipe_close(struct usb_pipe **, int count);
void            usb_clear_stall(struct usb_pipe *);
struct usb_urb *usb_alloc_urb(struct usb_pipe *, int flags);
int             usb_set_frame_data(struct usb_urb *, int index, void *, int len);
int             usb_copyin_urb(struct usb_urb *, void *, int offset, int len);
int             usb_copyout_urb(struct usb_urb *, void *, int offset, int len);
void            usb_cancel_urb(struct usb_urb *);
void            usb_free_urb(struct usb_urb *);
void            usb_submit_urb(struct usb_pipe *, struct usb_urb *, int flags);