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##

# 3.4.4.13 USB_HOST_CDC_TRANSFER_HANDLE_INVALID Macro

## C

    #define USB_HOST_CDC_TRANSFER_HANDLE_INVALID ((USB_HOST_CDC_TRANSFER_HANDLE)(-1))

## Summary

USB Host CDC Client Driver Invalid Transfer Handle Definition

This definition defines a USB Host CDC Client Driver Invalid Transfer Handle. A Invalid Transfer Handle is returned by the CDC Client Driver data transfer routines when the request was not successful.

## Remarks

None.